Guiulianna Cespedes Founder at Quynza

5.0★

Mobile App Development Review from Guiulianna Cespedes

Our company needed an Android app that could support a mental health platform in a way that felt calm, easy to use, and dependable for daily users. We hired Simpalm to build that product in Kotlin and help us move from concept into something real customers could use. For us, trust and simplicity mattered more than packing in too many features.They took a fairly hands-on role, which was helpful because we were still making product decisions as the project moved. Some weeks I was deeply involved reviewing screens, and other weeks they pushed things forward on their own. That balance worked well. They would usually come back with two or three options instead of just asking what we wanted.We did hit one rough patch around notifications where the first version didn’t behave the way we expected, so that had to be revisited. They fixed it without making the process difficult.The finished app runs smoothly, feels organized, and gave us a much stronger mobile presence on Android. Most importantly, early users found it approachable rather than overwhelming, which was exactly what we wanted.

Mobile App Development Review from Amanda Chalofsky

My experience with Simpalm was very good. They made a full prototype of our neuro-wellness app so we could show partners and investors what our system looks like. It matched our brand and showed the flow in a simple way. Their communication was steady, they stayed on time, and they explained things clearly. The prototype helped people understand our idea fast, and it moved our project forward. I felt supported the whole time.

Matt Rudnick Founder and CEO at Main Sheet LLC

5.0★

Mobile App Development Review from Matt Rudnick

Working with Simpalm has been a really positive experience. We hired them to handle the frontend development of our mobile app for iOS and Android, while our backend was already in place. From the start, their team communicated clearly, stayed organized, and met every deadline we set. They were flexible when we added new features, and their designer’s input really helped improve the look and usability of the app. I appreciated how reliable and easy they were to work with having a U.S.-based team made communication smooth and fast.

Darshan Chordia Social Media Marketing Manager at Tarini Stoneworks

5.0★

Software Development Review from Darshan Chordia

We worked with Techstack to create a digital platform that would simplify how we manage projects, materials, and client interactions. The idea was to make our process more transparent and efficient while keeping the quality and uniqueness of our products at the center.From the beginning, Techstacks team understood our needs clearly. They built a stable, modern system that allowed us to manage workflows, track materials, and visualize designs in real time. Everything worked smoothly across devices, and the new platform handled large amounts of visual data without any performance issues.Communication was easy and professional throughout the project. The team stayed responsive, respected deadlines, and quickly adapted to feedback. We appreciated how they approached the project with both technical precision and creative understanding, making sure the solution supported our way of working.The result made a big difference for us. We now have a reliable, easy-to-use platform that saves time, improves coordination, and helps us deliver better experiences for our clients. Working with Techstack company felt effortless - they were consistent, thoughtful, and committed to getting every detail right.

Sidharth Dugar Co-Founder at Route One Advisory

5.0★

Software Development Review from Sidharth Dugar

We worked with Techstack to develop a digital platform that could support the financial and operational needs of our growing client base. Our vision was to create an integrated web solution that would bring together financial management, client communication, and digital infrastructure into one cohesive system. The goal was to give small and medium-sized businesses the same level of data visibility and workflow efficiency that large enterprises enjoy but through a user-friendly, scalable product.Techstack company quickly understood what we were trying to achieve. They built a modern web application architecture that unified financial analytics, project tracking, and CRM capabilities while ensuring top performance and security. Their team handled everything from backend development to UX optimization.What stood out most was how seamlessly Techstacks team balanced precision with flexibility. We had tight deadlines and evolving priorities, yet they consistently delivered on time without compromising quality. Communication was clear and proactive, we always felt aligned, even as the project evolved.The result was a platform that allowed us to operate more efficiently and deliver a better experience to our clients. It centralized our data, reduced manual processes, and helped us scale faster without adding unnecessary complexity. Techstack brought strong technical expertise and a genuine sense of ownership to the project, turning a challenging concept into a powerful business tool that continues to grow with us.

Sri Sharma Owner at NextGrowth Marketing

5.0★

Web Development Review from Sri Sharma

When we brought Techstack on board, our analytics subsystem was at a breaking point. Performance issues, data inconsistencies, and outdated architecture were slowing us down and creating friction for both our internal teams and end users. Given the scale of our platform: millions of customer interactions generating terabytes of data daily we needed a partner who could not only fix the flaws but also future-proof the entire system.Techstack company took on the challenge with impressive precision. Their team started with a deep audit that revealed critical weaknesses in our existing infrastructure. From there, they restructured the backend, optimized performance, and built a reliable synchronization flow between our internal tools and third-party CRMs. Techstack introduced a new architecture powered by Amazon Redshift and an asynchronous analytics engine, which dramatically reduced data retrieval times and improved responsiveness across the board.What we appreciated most was how seamlessly they integrated into our process. They communicated clearly, delivered consistently, and made sure every change was fully tested and stable before rollout. The results were: system reliability improved, performance bottlenecks disappeared, and we could finally handle large-scale data processing without worrying about stability. Techstack company combined strong engineering skills with a genuine commitment to understanding our goals. They helped us rebuild confidence in our platforms ability to scale and perform at its best.

Robert de Burgh-Day CEO at Brightspace

5.0★

Software Development Review from Robert de Burgh-Day

KeenEthics has been our software development partner at Brightspace for our analytics dashboard platform, and the experience has been consistently excellent. As a hardware and AI company, we needed a team that could take complex real-time occupant and environmental data from our edge devices and turn it into dashboards that facility managers and building owners actually want to use. KeenEthics delivered exactly that. What stands out most is how they work. Communication is clear and proactive, sprints run on time, and when requirements shift, as they inevitably do in a fast-moving startup, the team adapts without drama. They ask the right questions early, push back constructively when something could be done better, and take genuine ownership of the product rather than just ticking off tickets. The quality of the work speaks for itself. The dashboards they have built are now a core part of our commercial offering across multiple markets, and they have held up well as we have scaled deployments. Costs have been fair and predictable, which matters enormously for an early-stage company. I would not hesitate to recommend KeenEthics to any company looking for a reliable, high-quality development partner, and we intend to keep working with them as Brightspace grows.

Mike Spear CEO at Altruous

5.0★

Software Development Review from Mike Spear

The KeenEthics team is great! Very talented and responsive. For startups and mid-sized companies that need outsourced design and development support, you really can't ask for better!

Khrystyna Sliana Digital marketing manager at Red Jumpers

5.0★

Web Development Review from Khrystyna Sliana

We collaborated with this company while supporting our client with a request focused on a TypeScript, Node.js, and Angular stack.After engaging them through our partner network, they quickly shared a strong candidate who turned out to be an excellent match for the clients needs. The developer demonstrated solid technical expertise and professionalism throughout the entire engagement, which was highly appreciated by both our team and the end client.At the beginning of the collaboration, there was a need to adjust the developers working schedule. Keenethics handled this situation very efficiently, resolving it within a few days and ensuring full 8-hour availability. Their responsiveness and problem-solving approach made a strong positive impression.We are very satisfied with both the quality of the specialist provided and the company's ability to react quickly and effectively to operational challenges.