THE SENTRY
Overall Review Rating
4.7 (6 Ratings)
Overview
Their mission is to provide market-defining high-quality solutions that make value for their clients, whether they are start-up operations or large corporations. For them, customer satisfaction is given top place. They always try to improve the quality of our products by exploring innovative ideas and sharing it with a client. THE SENTRY is a good mobile app development company.
Services
- iOS App Development
- Ruby on Rails
- Android App Development
- ERP Development
- Automotive R&D
- Advertising, Media
- Cross Platform Development
- Custom Application Development
- MongoDB Development
- iPhone App Development
- Mobile App Development
- Web Development
Industries Served
THE SENTRY Reviews
Have a look at these client reviews on previously delivered projects.
Ji-Woo Park
VP of Engineering - Seoul Digital CorpSecurity team that treated our risk as their own. That ownership made all the difference.
The part of this project I had been most worried about was the integration work. Our system landscape is complex, some of the upstream APIs were barely documented, and one of our third-party vendors was notoriously slow to respond. This team documented what the upstream vendors could not, built resilience into the architecture where third-party reliability was uncertain, and delivered integrations that have worked exactly as specified since day one. I genuinely could not have asked for more.
Project summary
Peak season traffic would regularly expose platform instability. Every year we patched. Finally we decided to fix it properly rather than worry about it again twelve months later.
Clémentine Aubert
Head of Digital Products - Arc-en-Ciel Digital SASReporting clarity that changed how our sales leadership plans the quarter
The technical quality is the obvious thing to highlight. The automated test suite is comprehensive, the deployment pipeline is solid, and the documentation is actually useful rather than written to satisfy a checklist. But the metric I keep coming back to is what has NOT happened since go-live. No 2am incident calls. No emergency patches. No post-launch retrospectives about what went wrong. For a system of this complexity, that outcome is exactly what we paid for.
Project summary
Our product roadmap was solid but our internal delivery capacity was stretched thin across maintenance. A trusted external partner for the net-new build was the only option that made timeline sense.
Yuki Hashimoto
Head of Product Development - East Asia Commerce KKIoT engineers who understood the hardware side as well as the cloud side. Rare.
What I appreciated most was that they were honest when things were not going to plan. There was one point mid-project where a dependency was going to affect our timeline and they told us three weeks before it would have become critical. That gave us time to adjust. Vendors who manage upward proactively are rare. This one did it consistently throughout the engagement.
Project summary
Our product thinking was strong. Our execution capacity in this specific domain was limited. We needed deep expertise, not a generalist willing to learn on our time.
Niamh O'Sullivan
Director of Product - Munster Digital LtdSEO foundation they built is still generating organic traffic eighteen months later
We received proposals from six vendors. Four of them quoted us prices that bore no relationship to the actual scope. This team came back with something realistic and then delivered against it exactly. I have worked on enough technology projects to know that the gap between what is proposed and what is delivered is where trust gets destroyed. There was no gap here. What was promised is what we got, and the ongoing relationship we have built from this is something we intend to continue.
Project summary
Time-to-market for new tariff products had become a competitive liability. Our product configuration layer was the bottleneck and it had been identified as the priority fix.
Marcus Holloway
SVP of Engineering - Vertex Cloud DynamicsProactive monitoring prevented an issue that would have cost us a trading day
The platform has been live for six months and is handling three times the transaction volume we scoped for. That is not because we underestimated — it is because the architecture choices made during discovery were genuinely forward-thinking. Most vendors design for exactly what you tell them. This team designed for what you are likely to need. We are already scoping the next phase and there was no question about who we would use.
Project summary
Accessibility compliance requirements had changed. Our current platforms failed the new benchmarks and our legal team had given us a clear timeline to address that.