Appstronauts
Overall Review Rating
4.6 (8 Ratings)
Services
- iOS App Development
- Cloud Provisioning Services
- App Marketing
- ERP Development
- Web Development
- Android App Development
- Mobile App Development
- Automotive R&D
- Ionic App Development
- AR App Development
- Cross Platform Development
- Node.js Development
Industries Served
Appstronauts Reviews
Have a look at these client reviews on previously delivered projects.
Laura Jiménez
Head of Digital Products - Catalonia Digital SLThe outcome we needed, on the timeline we needed it, by people we would use again
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
Years of incremental development had left us with a platform that was functional but limiting. A structured rebuild was the agreed path forward.
Gustavo Ferreira
VP of Technology - Amazônia Digital LtdaSeven legacy systems replaced. One consolidated data model. Genuinely transformative.
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
Warehouse management errors were accumulating at a rate our clients could see. A proper WMS was the agreed fix — we needed a development partner who had built one before.
Nisha Pillai
Director of Engineering - GrowthBridge VenturesAd spend efficiency improved 40% without reducing reach. The targeting work was the difference.
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 internal team was committed to maintenance and could not absorb a new build of this complexity. An external partner was the only way to hit the timeline.
Tobias Lindemann
Leiter Digitalisierung - Lindemann Industrie GmbHThe kind of technical partnership you hope for but rarely find on the first try
We have worked with a few agencies over the years and the comparison is honestly not close. What stood out from the start was that they spent serious time understanding the problem before they proposed anything. Once development started, every sprint review was clean — no hidden surprises, no slipped milestones. The production system has been running for four months without a single critical issue. Our internal developers reviewed the codebase at handover and were genuinely complimentary about the quality. That does not happen often.
Project summary
A regulatory change required us to rearchitect how we stored and processed customer call data. The timeline was set externally, not by our roadmap preferences.
Ryan Calloway
Founder & CTO - Apex Digital Media LLCPen test found things our previous vendor had missed for two consecutive years
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
Clients were asking for real-time campaign performance data. We were delivering reports two days after the fact. The gap was becoming a retention issue.