About Quick Left

Quick Left Inc. is a leading provider of innovative software development services and tools. They work as a comprehensible team sharing ideas & experiences and growing together. Their mission is to provide highest quality apps and games for their customers and to grow as leading mobile app developers. They are one of the best mobile app development company.

Last updated May 13, 2026

Services

Mobile App Development Web Development UI-UX Design Custom Software Development E-commerce Development

Industries Served

Government & Public Sector Pharmaceuticals & Biotechnology Logistics & Supply Chain Travel & Hospitality Automotive Legal Services Insurance Events & Event Management

Quick Left Reviews

Write a Review

Mixed reality build that landed exactly where the brief pointed and then went further

Radosław Kowalczyk / Head of Development - Wisła Software Sp zoo
Verified
Apr 26, 2026

Project summary: Cross-agency data sharing had been blocked by incompatible systems for four years. A secure integration platform was the prerequisite for every transformation initiative in our roadmap.

The integration layer was the part of the project I was most concerned about going in. Our system landscape is complex, several of the upstream APIs we relied on were poorly documented, and two third-party vendors had a history of unpredictable response times on integration questions. This team managed all of that. They documented what the upstream vendors could not, built resilience into the integration architecture where the upstream behaviour was unreliable, and delivered a solution that works as specified in production. I could not have asked for more.

PROS

Architectural decisions designed for longevity rather than just the current brief, thorough automated test coverage, post-launch stability that validated every technical choice made during discovery

CONS

Their discovery process is more rigorous than we were accustomed to and required more preparation from our side than we had initially allocated — but the quality of what followed justified every hour of it

4.0
Overall
4.0
Quality
3.5
Schedule
3.5
Cost
4.5
Communication
Project TypeAR/VR Development
IndustryGovernment & Public Sector
Project Cost$10,000 to $49,999
DurationOct 2025 – Jan 2026

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Wisła Software Sp zoo operates in the Government & Public Sector sector with headquarters in Warsaw, Poland. In my role as Head of Development I am accountable for the full technology agenda — infrastructure, product, and vendor relationships. We are a commercially driven organisation and every technology decision is evaluated against a clear business case before it is approved.
What specific problem or business challenge led you to hire this company?
Our platform had been maintained by a previous vendor for three years and the accumulated technical debt had reached a point where delivery velocity had dropped to a fraction of what it should have been. We needed fresh engineering expertise and a structured plan to address the underlying issues.
What services did the company provide for your project?
End-to-end AR/VR Development delivery with particular depth in the integration and data migration components, which were the highest-risk elements of the programme. They supplemented this with a dedicated QA resource throughout development and a documented runbook for our operations team at handover.
Why did you choose this company over other providers you considered?
A trusted peer in the Government & Public Sector sector had used them for a comparable AR/VR Development engagement and their recommendation was unequivocal. Our own due diligence confirmed the pattern they described. The combination of domain knowledge, AR/VR Development depth, and demonstrated delivery discipline was the deciding factor.
How clearly did the company understand your requirements and business goals?
Better than we managed ourselves going in. The workshops they facilitated surfaced assumptions we had not examined and exposed three requirements that were in direct conflict with each other. Resolving those before development began saved us what would certainly have been significant rework later in the project.
How was your overall experience with their communication and project management?
Outstanding. The discipline around asynchronous communication was particularly effective given the time zones involved between Warsaw, Poland and the delivery team. Written updates were specific and consistent, response times were same-day for anything that required a decision, and nothing fell through the cracks across a six-month engagement.
Did the company deliver the project on time and within your expected budget?
Yes. I had privately built a contingency expectation into my planning given the project complexity and the number of integrations involved. None of that contingency was needed. The delivery landed on the agreed date and the final invoice matched the approved budget to within a fraction of a percent. That outcome is rarer than the industry acknowledges.
What tangible results or business impact have you seen since the project was completed?
The most direct measure is the performance of the system in production. In the five months since go-live we have had zero P1 incidents, our page performance scores have improved across every Core Web Vitals metric, and two enterprise clients who had cited our previous platform limitations during contract negotiations have since renewed without that objection arising.
What did you like most about working with this company?
The continuity of the team. The engineers who participated in the discovery sessions were the engineers who built the system. That consistency of institutional knowledge across a six-month project has a value that is difficult to quantify but easy to notice when it is absent. Every conversation built on the previous ones.
Would you recommend this company to others, and would you work with them again?
Yes. I would add the context that this is not the cheapest option in the market and they are selective about the engagements they take on. If your primary criterion is price, there are alternatives. If you want a technology partner who can be trusted with a complex AR/VR Development programme in the Government & Public Sector space and will deliver against a serious brief, this is the team.

Analytics foundation that lets us answer attribution questions we had given up asking

Siobhan Gallagher / Chief Technology Officer - Northumbria FinTech Ltd
Verified
Apr 06, 2026

Project summary: Regulatory submission timelines required a document management platform that could handle version control, access permissions, and audit trails at a scale our existing tools were not designed for.

The integration layer was the part of the project I was most concerned about going in. Our system landscape is complex, several of the upstream APIs we relied on were poorly documented, and two third-party vendors had a history of unpredictable response times on integration questions. This team managed all of that. They documented what the upstream vendors could not, built resilience into the integration architecture where the upstream behaviour was unreliable, and delivered a solution that works as specified in production. I could not have asked for more.

PROS

Delivery timeline that proved achievable rather than optimistic, estimation accuracy that reflected real analysis rather than competitive bidding, scope discipline that prevented the feature creep we had experienced before

CONS

The quality of documentation they produce means our team needed to set aside dedicated review time to do it justice — a minor scheduling point rather than a genuine criticism

4.0
Overall
4.0
Quality
4.0
Schedule
4.5
Cost
4.5
Communication
Project TypeDigital Marketing
IndustryPharmaceuticals & Biotechnology
Project Cost$50,000 to $149,999
DurationJul 2025 – Mar 2026

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Northumbria FinTech Ltd is an established Pharmaceuticals & Biotechnology organisation headquartered in Edinburgh, UK. My role as Chief Technology Officer covers both strategic planning and operational technology delivery. We maintain high standards for our vendors because our clients hold us to high standards — a bar we expect our partners to meet.
What specific problem or business challenge led you to hire this company?
Regulatory requirements in our Pharmaceuticals & Biotechnology segment had changed and the compliance timeline was set by our regulator, not by us. The Digital Marketing changes required were significant enough to justify engaging a specialist partner rather than diverting our internal team from the product roadmap.
What services did the company provide for your project?
The scope covered the full Digital Marketing lifecycle: discovery and requirements definition, solution architecture, iterative development across twelve sprints, integration testing, performance validation, production deployment, and a structured four-week hypercare period. They also provided system documentation and a knowledge transfer programme for our internal team.
Why did you choose this company over other providers you considered?
The quality of the questions they asked during the briefing process was the first indicator. Vendors who ask precise questions in the sales phase tend to apply the same rigour during delivery. That hypothesis proved accurate. The technical proposal was substantive, the team structure was senior throughout, and the pricing was transparent.
How clearly did the company understand your requirements and business goals?
Comprehensively. The discovery phase they ran was more thorough than anything we had experienced with previous vendors. They challenged requirements that were vague or contradictory, proposed alternatives where our initial thinking was limiting, and produced a functional specification that our internal stakeholders agreed was the clearest articulation of the product they had seen written down.
How was your overall experience with their communication and project management?
Communication was proactive, timely, and appropriately calibrated. Technical updates for the engineering audience, executive summaries for the steering group, risk flags with proposed mitigations rather than just problem statements. The fortnightly sprint reviews gave our stakeholders visibility without requiring them to attend every working session.
Did the company deliver the project on time and within your expected budget?
On time and within the approved budget. The estimation accuracy was notable — they had broken the work down in sufficient detail during discovery that their forecast proved reliable throughout, rather than being a number that shifted with every change in scope. We received one change request and it was for scope we had introduced ourselves.
What tangible results or business impact have you seen since the project was completed?
We went live four months ago. User adoption exceeded the target we had set by 23 percent in the first month. Support ticket volume has dropped measurably. The features we had deferred because the previous architecture made them prohibitively expensive to build are now in development. The platform they built has opened our roadmap.
What did you like most about working with this company?
Their instinct for keeping the business objective visible throughout technical decision-making. I have worked with technically excellent teams who lose the strategic thread as complexity increases. This team maintained a clear connection between every architectural choice and the outcome we had agreed to achieve. That orientation made the trade-off conversations significantly easier.
Would you recommend this company to others, and would you work with them again?
Absolutely. With a specific note that the value starts in the discovery phase — clients who approach that process with seriousness will get the most from the engagement. We invested appropriately at the front end and the returns are evident in what was delivered.

Commerce platform that handled peak-day traffic at twelve times normal load without incident

Takashi Morimoto / Director of IT Strategy - Sakura Digital KK
Verified
Feb 20, 2026

Project summary: Track-and-trace capability had gone from a differentiator to a table-stakes requirement and our platform had neither. We needed to close the gap before our next enterprise tender cycle.

Six months after go-live our platform is processing three times the transaction volume we specified in the original brief. The architecture choices made during discovery accommodated that growth without remediation work. That is the difference between a team that designs for what you tell them and a team that designs for what you are likely to need. We are in conversation about a Phase 2 engagement and I expect to be using this partnership for several years.

PROS

Deep domain knowledge that reduced the discovery overhead significantly, proactive risk identification before issues became incidents, delivery cadence that our stakeholders found reassuring

CONS

We underestimated the input required from our subject matter experts during the requirements phase. The team flagged this early but our resource planning did not fully reflect it — our responsibility, not theirs

4.5
Overall
5.0
Quality
5.0
Schedule
4.5
Cost
4.0
Communication
Project TypeE-commerce Development
IndustryLogistics & Supply Chain
Project Cost$50,000 to $149,999
DurationJul 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
As Director of IT Strategy at Sakura Digital KK I oversee technology investment and delivery across our Logistics & Supply Chain operations in Tokyo, Japan. We are a commercially focused business and our technology choices are always evaluated in terms of their direct contribution to business outcomes rather than technical elegance alone.
What specific problem or business challenge led you to hire this company?
Our platform had been maintained by a previous vendor for three years and the accumulated technical debt had reached a point where delivery velocity had dropped to a fraction of what it should have been. We needed fresh engineering expertise and a structured plan to address the underlying issues.
What services did the company provide for your project?
The scope covered the full E-commerce Development lifecycle: discovery and requirements definition, solution architecture, iterative development across twelve sprints, integration testing, performance validation, production deployment, and a structured four-week hypercare period. They also provided system documentation and a knowledge transfer programme for our internal team.
Why did you choose this company over other providers you considered?
We had a failed engagement behind us and were more rigorous in our selection process as a result. We asked detailed questions about how they managed scope change, how they handled estimation, and how they communicated problems. The answers were specific, evidenced, and consistent across the team members we spoke to. That gave us confidence that the process was real rather than rehearsed.
How clearly did the company understand your requirements and business goals?
Better than we managed ourselves going in. The workshops they facilitated surfaced assumptions we had not examined and exposed three requirements that were in direct conflict with each other. Resolving those before development began saved us what would certainly have been significant rework later in the project.
How was your overall experience with their communication and project management?
Professional and efficient. The project manager maintained a clear view of the critical path at all times and communicated changes to it transparently. The one significant scope adjustment we made mid-project was handled through a clean change request process — fairly priced, clearly documented, and absorbed without disrupting the overall timeline.
Did the company deliver the project on time and within your expected budget?
Yes to both. There was a single sprint where a dependency on a third-party API introduced a one-week delay. The team identified it three weeks in advance, presented two mitigation options, and we agreed on an approach that recovered the schedule within the same sprint cycle. That level of foresight is what separates good project management from reactive problem management.
What tangible results or business impact have you seen since the project was completed?
The most direct measure is the performance of the system in production. In the five months since go-live we have had zero P1 incidents, our page performance scores have improved across every Core Web Vitals metric, and two enterprise clients who had cited our previous platform limitations during contract negotiations have since renewed without that objection arising.
What did you like most about working with this company?
The willingness to be direct. When our requirements were unclear they said so. When our priorities were contradictory they explained why. When a technical approach we had assumed was the right one turned out to have significant downsides, they told us before we had committed to it. That kind of intellectual honesty is what I look for in a long-term technology partner.
Would you recommend this company to others, and would you work with them again?
Unreservedly. We are in active scoping conversations for a second engagement and I expect this to develop into a multi-year partnership. For any organisation in the Logistics & Supply Chain sector looking for E-commerce Development expertise combined with genuine delivery discipline, I would put this team at the top of the evaluation list.

A development partner who treated our roadmap as carefully as their own

Fatima Al-Suwaidi / Head of Digital Strategy - Gulf FinTech Holdings
Verified
Jan 20, 2026

Project summary: Our mobile app had a 2.9-star average review score. The two themes in every negative review were speed and booking flow complexity — both were solvable with the right engineering partner.

The thing that retrospectively seems most significant is how little drama there was. Complex technology projects tend to accumulate incidents, escalations, and tense conversations. This one did not. Problems were surfaced before they became incidents. Scope changes were handled with process rather than conflict. Risks were managed rather than avoided. That level of maturity is rare in my experience and it made the delivery feel almost effortless from our side, which I know it was not from theirs.

PROS

Deep domain knowledge that reduced the discovery overhead significantly, proactive risk identification before issues became incidents, delivery cadence that our stakeholders found reassuring

CONS

The engagement was priced at the quality level rather than the budget level. We evaluated the alternatives and concluded that the delta was a reasonable premium for the reduction in delivery risk

4.5
Overall
5.0
Quality
4.5
Schedule
4.5
Cost
4.5
Communication
Project TypeSoftware Development
IndustryTravel & Hospitality
Project Cost$500,000+
DurationJun 2025 – Nov 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
As Head of Digital Strategy at Gulf FinTech Holdings I oversee technology investment and delivery across our Travel & Hospitality operations in Abu Dhabi, UAE. We are a commercially focused business and our technology choices are always evaluated in terms of their direct contribution to business outcomes rather than technical elegance alone.
What specific problem or business challenge led you to hire this company?
A competitive threat had accelerated our roadmap. We had planned a significant Software Development investment for the following year. External pressure moved that timeline forward by six months and required us to find an external partner rather than attempting to build internally in the time available.
What services did the company provide for your project?
The scope covered the full Software Development lifecycle: discovery and requirements definition, solution architecture, iterative development across twelve sprints, integration testing, performance validation, production deployment, and a structured four-week hypercare period. They also provided system documentation and a knowledge transfer programme for our internal team.
Why did you choose this company over other providers you considered?
A trusted peer in the Travel & Hospitality sector had used them for a comparable Software Development engagement and their recommendation was unequivocal. Our own due diligence confirmed the pattern they described. The combination of domain knowledge, Software Development depth, and demonstrated delivery discipline was the deciding factor.
How clearly did the company understand your requirements and business goals?
Better than we managed ourselves going in. The workshops they facilitated surfaced assumptions we had not examined and exposed three requirements that were in direct conflict with each other. Resolving those before development began saved us what would certainly have been significant rework later in the project.
How was your overall experience with their communication and project management?
Professional and efficient. The project manager maintained a clear view of the critical path at all times and communicated changes to it transparently. The one significant scope adjustment we made mid-project was handled through a clean change request process — fairly priced, clearly documented, and absorbed without disrupting the overall timeline.
Did the company deliver the project on time and within your expected budget?
The project landed on time. The budget was managed within the agreed ceiling, which included one client-driven scope addition that was quoted fairly and handled without affecting the original delivery stream. The discipline around budget transparency throughout meant there was no surprise at invoice stage.
What tangible results or business impact have you seen since the project was completed?
We went live four months ago. User adoption exceeded the target we had set by 23 percent in the first month. Support ticket volume has dropped measurably. The features we had deferred because the previous architecture made them prohibitively expensive to build are now in development. The platform they built has opened our roadmap.
What did you like most about working with this company?
The willingness to be direct. When our requirements were unclear they said so. When our priorities were contradictory they explained why. When a technical approach we had assumed was the right one turned out to have significant downsides, they told us before we had committed to it. That kind of intellectual honesty is what I look for in a long-term technology partner.
Would you recommend this company to others, and would you work with them again?
Yes, without reservation. I have already made two direct referrals within my Travel & Hospitality network — in both cases to peers facing Software Development challenges similar to ours. I gave those referrals with confidence because I knew the experience I described was reproducible, not the result of exceptional circumstances on our engagement.

Cloud architecture that scales perfectly with our growth

Sarah Johnson / CEO - Innovate Digital
Verified
Jul 07, 2025

Project summary: We required a custom platform that would give us a measurable competitive advantage in our market.

From day one, the team felt like an extension of our own organisation. They immersed themselves in our domain, challenged us to think bigger, and delivered a solution that is both technically sound and strategically valuable. The project came in on time and within budget, which is rare for an engagement of this complexity. We are delighted with the outcome and look forward to a long-term partnership.

PROS

Strong engineering skills, clear and consistent communication, flexible and collaborative approach

CONS

None — every aspect of the engagement exceeded our expectations

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeCloud Services
IndustryAutomotive
Project CostLess than $10,000
DurationOct 2024 – Aug 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a CEO-led organisation operating in the Automotive sector. My role involves overseeing strategic technology decisions and vendor partnerships. We have been growing steadily and needed a trusted partner to help us scale our digital capabilities.
What specific problem or business challenge led you to hire this company?
Our primary challenge was modernising our Automotive operations through Cloud Services. Legacy systems were limiting our agility and we needed a solution that could scale with our growth ambitions and integrate with our existing infrastructure.
What services did the company provide for your project?
They delivered a comprehensive Cloud Services engagement covering requirements analysis, solution architecture, full-cycle development, QA testing, deployment, and post-launch support. The scope was well-defined and executed without scope creep.
Why did you choose this company over other providers you considered?
Their demonstrated expertise in Cloud Services and a strong portfolio of Automotive projects set them apart during our evaluation. The discovery call gave us confidence they truly understood our domain, not just the technology.
How clearly did the company understand your requirements and business goals?
Exceptionally well. They ran a structured discovery process, asked insightful questions, and produced a detailed requirements document that captured nuances we hadn't even articulated ourselves. That foundation made the entire project smoother.
How was your overall experience with their communication and project management?
Outstanding. We had a dedicated project manager, weekly status calls, a shared project board, and same-day responses to queries. There were no surprises — risks were flagged early and resolved before they became issues.
Did the company deliver the project on time and within your expected budget?
Yes, the project was delivered on the agreed date and within budget. Their estimates were realistic and they managed scope carefully, flagging any potential changes before they impacted the timeline or cost.
What tangible results or business impact have you seen since the project was completed?
Significant. Since go-live we have seen measurable improvements in operational efficiency, customer satisfaction scores have risen, and the solution has already paid back a substantial portion of the investment. The team built something we are genuinely proud of.
What did you like most about working with this company?
Their genuine investment in our success. They didn't just execute a spec — they brought ideas, challenged assumptions, and cared about the outcome as much as we did. The quality of the codebase and documentation also stood out.
Would you recommend this company to others, and would you work with them again?
Absolutely and without hesitation. We have already referred two colleagues, and we are actively scoping the next phase of work with them. They are our go-to partner for Cloud Services projects going forward.

Company Info

Founded 2010
Employees 10 - 49
Hourly Rate $150 - $199
Client Rating 4.6/5 (8 reviews)

Rating Breakdown

Quality
4.8
Schedule
4.6
Cost
4.6
Communication
4.7

FAQs

What does Quick Left's actual delivery process look like week to week?
Quick Left generally runs something close to a standard structured process — requirements gathering, UI/UX design, development in agile sprints, QA testing along the way, deployment, and support once it's live. For context, its listed capabilities span Custom Software Development, E-commerce Development, Mobile App Development, UI-UX Design and Web Development, and it has served clients in USA.
What should I actually be looking at when comparing a company like Quick Left to others?
When you're weighing up a software partner such as Quick Left, it's worth looking past the pitch and checking the portfolio, what past clients say, relevant industry background, technical range, how they communicate, pricing structure, project management style, and what support looks like after launch. For context, its listed capabilities span Custom Software Development, E-commerce Development, Mobile App Development, UI-UX Design and Web Development, and it has served clients in USA.
Roughly how long does a project with Quick Left take start to finish?
It depends heavily on scope. A lean MVP might be a matter of weeks, while a full enterprise system or a larger digital transformation project can stretch into months once you factor in development, testing, and deployment. With a team of 10 - 49 professionals, Quick Left can scale resources based on project urgency.
Does Quick Left only work locally, or take on clients elsewhere too?
Quick Left isn't necessarily limited to one region and may take on clients across several countries, including USA, depending on market demand and business partnerships.
Would Quick Left be a good fit for an early-stage startup?
Generally, yes — companies like Quick Left tend to work well with startups because of what they typically offer: MVP builds, product strategy input, architecture that can scale later, and dedicated teams that keep costs manageable while still moving fast. For context, its listed capabilities span Custom Software Development, E-commerce Development, Mobile App Development, UI-UX Design and Web Development, and its average project cost is reported at $10000+.
Can Quick Left take on an old, outdated system rather than starting from scratch?
Modernizing legacy software is usually within scope for a firm like Quick Left — re-platforming, refactoring old code, and moving things onto current frameworks or cloud infrastructure without necessarily rebuilding everything from zero. For context, it has served clients in USA, and its average project cost is reported at $10000+.
What happens with Quick Left after the project actually launches?
Like most established software teams, Quick Left typically sticks around post-launch for ongoing maintenance — bug fixes, performance tuning, security patching, new feature work, and general technical support. For context, it has experience across industries such as Insurance, Automotive, Legal Services, Events & Event Management, Government & Public Sector and Travel & Hospitality, and it has served clients in USA.
What should I expect to pay to work with Quick Left?
What Quick Left charges comes down to a handful of variables — how complex the project is, the number of development hours involved, the tech stack required, team size, and which engagement model you pick. Based on available data, Quick Left's typical hourly rate is around $150 - $199, with an average project cost of $10000+.
What makes Quick Left worth considering over other options?
What tends to set Quick Left apart usually comes down to some mix of technical depth, relevant industry experience, how clients describe working with them, their development approach, communication habits, and whether they can actually deliver something that scales. Founded in 2010, the company has built a track record of delivering projects across various industries.
Can I just hire developers from Quick Left to sit alongside my own team?
Usually, yes — a dedicated developer arrangement is a common option with firms like Quick Left, where you get engineers working exclusively on your project as an extension of your in-house team rather than as a separate outsourced unit. For context, its listed capabilities span Custom Software Development, E-commerce Development, Mobile App Development, UI-UX Design and Web Development, and it has been operating since 2010.