AppSierra
Overall Review Rating
4.6 (7 Ratings)
Services
- ICO consulting Blockchain Implementation
- Android App Development
- AI Development
- Cross Platform Development
- Ionic App Development
- Web Development
- Digital Strategy Management
- Ruby on Rails
- Business Analysis & Consulting
- iOS App Development
- Mobile App Development
- Advertising, Media
Industries Served
AppSierra Reviews
Have a look at these client reviews on previously delivered projects.
Radosław Kowalczyk
Head of Development - Wisła Software Sp zooData science team is actually productive now. First time in two years.
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
A new product line required underwriting logic that our legacy system could not support without a rewrite of the rules engine. The workarounds had accumulated to the point of being unmanageable.
Ananya Sharma
Engineering Manager - BlueMind Analytics Pvt LtdCore Web Vitals are green across the board. Our SEO team sent a thank-you note.
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
Years of incremental development had left us with a platform that was functional but limiting. A structured rebuild was the agreed path forward.
Sebastian Lapointe
CTO - Boreal Systems IncDecentralised architecture that our compliance team could actually sign off on
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
Years of incremental development had left us with a platform that was functional but limiting. A structured rebuild was the agreed path forward.
Vikram Srinivasan
Head of Platform - Cascade EdTech SolutionsTechnology roadmap the CFO could actually approve — finally
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
Our previous vendor had left us with a codebase that worked but was nearly impossible to extend. We needed to fix that without stopping delivery to the business.
Nora Al-Otaibi
VP of Engineering - Salam Digital SolutionsThe team understood mobile-first before we finished explaining the brief
What set this team apart in practice was their engineering judgment — specifically, their willingness to tell us when our requirements were wrong and explain what to do instead. Not every vendor does that. The consultative element elevated the final output well beyond what our original brief described. We ended up with something better than what we had asked for, which is not a sentence I expected to be writing in a review.
Project summary
Grid modernisation funding required us to demonstrate demand-response capability. The ML models existed on paper — we needed an engineering partner to build and deploy them.