Oleg Sotnikov CEO at AppMaster

5.0★

AI Development Review from Oleg Sotnikov

Diffco built a complex, production-grade AI agentic system and backend for our client's fintech platform owning architecture, AI/ML components, and AI agents in a security- and compliance-sensitive environment. They delivered on time and within budget, communicated proactively, and operated like part of our own team, taking ownership and suggesting better solutions throughout. Deep AI/ML and senior backend expertise. We'd happily work with them again.

Julia Platova VP Strategic Partnerships at OVA Solutions

5.0★

Mobile App Development Review from Julia Platova

We partnered with Diffco for a comprehensive software development project aimed at delivering a mobile application and backend system for our client. The goal was to create a seamless, secure, and scalable solution within a 4-month timeline and $50k-$200k budget.Diffcos team was highly professional from start to finish. They handled everything: UI/UX design, backend architecture, API integration, and deployment.After the launch, they continued to support us with maintenance and performance optimization.The application received positive feedback and has proven stable and scalable.Were highly satisfied with Diffcos expertise, commitment, and ability to deliver real results.

Max Shmatkov Manager at Centerligh

5.0★

Mobile App Development Review from Max Shmatkov

As an advantage of working with this company I’d like to note that their Agile development method is amazing! Diffco earned my trust through such approach and the team’s professional attitude.

Angie Tromley-Morales, PMP CEO at House Caddy

5.0★

Mobile App Development Review from Angie Tromley-Morales, PMP

We hired Empat to design and build the MVP of House Caddy, a household management app that keeps receipts, warranties, manuals, and repair history in one place, with reminders for expiring warranties and maintenance. The product also helps homeowners prepare a full digital home history for future property transfers.Empat delivered end-to-end work: discovery, UX/UI design, Flutter mobile development, and a Python backend. They implemented a clear flow where users first create home appliances/systems and then attach documents and repairs to each item.A major highlight was Empats AI expertise. AI features simplify the entire user journey by auto-filling appliance details from photos/docs/links, assisting with utility provider setup, and importing contacts to speed up adding contractors. This reduced manual input and made onboarding fast and intuitive.Communication was excellent, with proactive brainstorming, clear sprint updates, and on-time delivery. The MVP is market-ready, early feedback is very positive, and Empat proved to be a reliable, product-driven partner with strong mobile, backend, and AI capabilities.

Vitalii Drach CEO at RD2

5.0★

Mobile App Development Review from Vitalii Drach

We collaborated with this team to develop custom software for tracking our client base and analyzing performance metrics. The solution allows us to monitor client success in real time, visualize key trends, and make data-driven marketing decisions.The Empat team was professional, communicative, and highly attentive to our needs. They quickly understood our workflow and created a system thats both intuitive and scalable. Thanks to their work, weve streamlined our internal processes and gained much better visibility into our clients results.Were very satisfied with the outcome and would definitely recommend Empat to anyone looking for a reliable software development partner.

Namik Abdulzade cto at Paymonix

5.0★

Software Development Review from Namik Abdulzade

Collaborating with this team has been exceptional from beginning to end. They quickly grasped our goals and delivered a scalable, high-quality payment platform with seamless integrations and an intuitive interface. Their technical skill, attention to detail, and proactive communication kept everything running smoothly and transparently.We were particularly impressed by their ability to manage complex requirements, build strong analytics, and design a checkout experience that fits our brand perfectly. The project was delivered on schedule, surpassed expectations, and has already made a meaningful impact on our operations.We confidently recommend this team to anyone seeking a reliable, talented, and forward-thinking development partner.

Julie Dodkins CEO at Fae

5.0★

Mobile App Development Review from Julie Dodkins

Wolfpack Digital has skilled expertise [in] creating high-quality work. The team made the process straightforward. Their communication was top-notch. They're readily available and go above and beyond. (Verified via email)

Jana Kazmina Product Manager at Makerist

5.0★

Mobile App Development Review from Jana Kazmina

Bounce rate fell and the app received positive reviews from users. Wolfpack Digital was highly accessible via multiple modes of communication and managed the project professionally. They ensured comprehension by asking clarifying questions and demonstrated their flexibility and passion.

Valentin Trif Co-founder at Sweed

5.0★

Mobile App Development Review from Valentin Trif

The app was launched on schedule and received positive reviews. Wolfpack Digital was highly accessible and effectively managed a changing scope, while still providing multiple options for every decision. Their deep engagement, as well as their flexibility, makes them an ideal partner for startups.

Mitya Smusin CEO at Yellow Systems

5.0★

Staff Augmentation Review from Mitya Smusin

Solveit managed our comprehensive eCommerce project, developing a full-featured web platform with Node.js and React technologies. The agency also created a Flutter-based mobile app for seamless data synchronization across iOS and Android devices. We were thoroughly pleased with Solveit's expertise and adherence to deadlines. It provided timely updates and communicated openly about our project's status. Solveit's proactive approach and transparency were exceptional, particularly during the staff augmentation process, where the agency efficiently matched us with qualified candidates and facilitated a smooth onboarding. We were satisfied with Solveit's high-quality work and exceptional support.

Anna Harissis CEO and Co-Founder at OUT CO

5.0★

Design Services Review from Anna Harissis

They have an incredibly hardworking team at affordable pricing. SolveIt has built the app earlier than expected, and they continue to complete new tasks within the client's budget and timeline.

Gabriel Sabadin Founder & CEO at LifePal AB

5.0★

iPhone Review from Gabriel Sabadin

We engaged SolveIt to develop a minimum viable product (MVP) app, including a user-friendly iOS design, an artificial intelligence (AI) model, and a monetization strategy while ensuring General Data Protection Regulation (GDPR) compliance and preparing for future integrations. Despite a tight deadline, SolveIt delivered the app on time and efficiently handled beta-testing within three months, allowing us to gather feedback and launch successfully. We acquired our first 1,000 users within a month of launching the app. SolveIt's team communicated effectively, addressed issues proactively, and maintained a high level of autonomy, bringing diverse expertise that greatly benefited our project. We appreciate the agency's dedication and professionalism.

Numaan Shaikh CRM Product Owner at Trafalgar Luxury Group

4.8★

Mobile App Development Review from Numaan Shaikh

I had an excellent experience working with Apptunix. Their team was professional, responsive, and delivered a high-quality app that met all our requirements. They were great at understanding our vision and transforming it into a user-friendly, functional product. Communication was seamless throughout the process, and they provided valuable insights that improved the overall design. Highly recommend them for anyone looking to develop an innovative and reliable mobile app!

Tim Nguyen CEO at PayX

1.0★

Mobile App Development Review from Tim Nguyen

Warning: Avoid Apptunix (apptunix.com) If you're considering hiring offshore developers, especially from India, I want to share a warning about Apptunix (apptunix.com) and its CEO. My company worked with them on a development project, investing close to $40K, only to have them hold our code hostage and demand more money before releasing it.We entered into the project with clear expectations and milestones, but as we progressed, Apptunix consistently delayed, under-delivered, and eventually refused to hand over the work we had already paid for unless we agreed to pay more. This kind of behavior is nothing short of extortion. It seems like their CEO and leadership are more interested in squeezing money out of clients than delivering quality work.Beyond the financial frustration, the skill level and talent from this team were not up to par. The development work was substandard, full of bugs, and lacked the quality we expected for the investment we made. I strongly urge anyone considering offshore development to do your due diligence or, better yet, reconsider offshore development altogether, as the experience in some regions, particularly India, seems to be in decline.

Will Thomas Head of Product Design at Birdie

5.0★

Mobile App Development Review from Will Thomas

We were creating a software in the health care environment. It was a software for publishers to improve their revenue by making a dynamic inventory on their side and getting more income out of their advertising. We needed help with the recruitment of an outsourced, part-time frontend developer with broad experience and availability.

Dmitriy Ksendzovsky CEO at Software Consulting

4.8★

Educational Review from Dmitriy Ksendzovsky

I have had an positive experience working with Exaud on expanding and maintaining several software products. Our software consulting technology stack is quite wide, from embedded development to mobile game dev, making it challenging to find the right partner knowledgeable in a number of these areas. The Exaud team is professional, flexible and continues to provide the development expertise we require to fulfill our project needs on time and budget.

Stacy McCarthy President at Learning Design Network, Inc.

4.8★

Educational Review from Stacy McCarthy

Learning Design Network has been providing expert learning programs for 20 years, helping nearly 1 million employees worldwide achieve professional success. COVID prompted us to digitalize our product and we chose Exaud as our technology partner. Together, we developed a comprehensive digital tool for customized training and effortless collaboration in a 3D digital environment. The platform leverages our expertise and Exaud's technical capabilities, delivering a high-quality user experience.

Tim Martin Software Architecture and Engineering at FS Studio

5.0★

Enterprise Review from Tim Martin

We have a very long history of working with Exuad, which in itself is about the best endorsement you can have. We have been working with them on projects for going on 10 years and they are our go to external dev team. Georg and team are not only very talented they are highly ethical. To me the later point is the most important, you can trust that they will provide high quality work and you can absolutely trust them on the business side.

Alexander Nikolaevsky CEO at Whitebird

5.0★

Web Development Review from Alexander Nikolaevsky

We have hired the Plavno team to develop a cryptocurrency exchange solution.allow users to make cryptocurrency transactions legally and transparently. Plavno team had to create a solution independent of third-party developers, develop frontend solutions for clients and service administrators, build a full-featured back-end that would include integration with banking and payment systems, and a multifunction module for managing currency exchange transactions, exchange rates.

Mitya Smusin CEO at Yellow Systems

5.0★

Financial Review from Mitya Smusin

Some problems can only be solved with code, but others require end-user thinking. So Plavno developers remember that the whole goal is to solve problems — not only to write code. They thought about the problem from the restaurantants point of view.They developed a food delivery app with both customer and admim panels, which covers all the necessary functionality.

Yana Romanovskaya Product Manager at Beeline

5.0★

IT Outsourcing Review from Yana Romanovskaya

Plavno was creating profiles with pulling up a lot of information (clusters). Xunit-based scoring was used when setting up a .NET 2.0 project. Scoring for this format works similarly to Junit. The team extended the products by adding features, fixing bugs. This development can change cluster parameters, cluster management system (current state of the object), customize vectors that lead to this cluster and make predictions.

Sergey Novik Co-Founder at El Pixel

5.0★

Staff Augmentation Review from Sergey Novik

Were developing an internal image processing tool for our design team and needed two machine learning engineers, since our core developers were busy with other client projects. We required extra hands familiar with Python and computer vision, so after a developers market review, we hired them from SumatoSoft.The SumatoSoft developers joined our team and were able to swiftly adapt to our workflows, which resulted in them delivering the working models well before our hard deadline.Communication was straightforward throughout the engagement. We had video calls and exchanged brief text updates on a weekly basis. The delivered code is clean, and pull requests are well-documented.I appreciate that they pushed back on a few of our initial architecture ideas. They challenged our original approach and proposed a better method for handling the model weights. We plan to bring them back for the next phase of development.

Domien Van Eynde Team Lead at Daiokan

5.0★

Web Development Review from Domien Van Eynde

SumatoSoft is the firm to work with if you want to keep up to high standards. The professional workflows they stick to result in exceptional quality. Important, they help you think with the business logic of your application and they don’t blindly follow what you are saying. Which is super important. Overall, great skills, good communication, and happy with the results so far.

Alexander McCaig Co-Founder & CEO at Tartle

5.0★

eCommerce Development Review from Alexander McCaig

The system has produced a significant competitive advantage in the industry thanks to SumatoSoft’s well-thought opinions. They shouldered the burden of constantly updating a project management tool with a high level of detail and were committed to producing the best possible solution.

Lee Tupper CTO at Remotiv (formerly Financial Soundings)

3.8★

Mobile App Development Review from Lee Tupper

Vention has delivered excellent design prototypes and accurate time estimates. The app is still in beta mode, and the partnership with [...] Vention will [continue] until the release of the next version. Vention is a reliable team that offers quality service. (Verified via email)

Jon Wade CTO & Founder at Union54

5.0★

Staff Augmentation Review from Jon Wade

Vention’s efforts allowed the successful development of the product, resulting in new customers. They provided backend developers, business analysts, UI designers, and QA testers to develop our solution. Vention cultivated a seamless partnership through constant updates and a collaborative approach. Overall, their team’s well-rounded expertise was impressive.

AJ Canty CTO and Co-Founder at Primer

5.0★

Web Development Review from AJ Canty

We’ve been working with Vention for quite some time and consider them an extension of our team, rather than an offshore vendor. We needed solid mobile developers to work with our in-house engineers to build our Primer SDKs on both mobile platforms. This was not a trivial thing as it required a lot of cross-functional communication, but the Vention team was up to the challenge. They quickly adopted the best practices we follow at Primer and proved to be effective and proactive.

Muhammad Asad Naeem Manager at Sovanza

5.0★

Software Development Review from Muhammad Asad Naeem

Zapta Technologies delivered a high-quality software solution tailored to our needs. Their team was professional, met all deadlines, and communicated clearly throughout the project. Highly recommended for anyone seeking reliable and efficient software development services.

Lacey Preach Director of Product at WealthVP

5.0★

Web Design Review from Lacey Preach

We couldn't be happier with the design results from ZAPTA! Great communication and quick turnaround time. They know what they are doing when it comes to design and industry standards. We have received great feedback from customers and stakeholders on our App design. I highly recommend using ZAPTA for your Design and Development needs!

Dan Cazacu Senior Site Reliability Engineer at Proton

5.0★

Web Design Review from Dan Cazacu

I was very pleased by the professionalism of ZAPTA's team members. Their attention to detail and business logic solutions were top-notch. They responded quickly and professionally. Overall, a highly recommended company for anyone needing expert business solutions.

Talgat Ablayev Project Manager at Управление Внутренней Политики Алматинской области

5.0★

Software Development Review from Talgat Ablayev

The team excellent has helped me throughout the development process. My requirements were a bit complex as I needed a news app and a community app at one place. But the team understood it very clearly and suggested the trending functions that can make my app better. The best part was that I used to get daily updates on my projects and weekly progress report.

Thomas Hahne CEO at Freetaxi HHM Worldwide

5.0★

Mobile App Development Review from Thomas Hahne

Excellent Webworld has served the best app design & development services for my project idea. The team is amazingly creative and experienced I love the way the helped me throughout the development process and gave me suggestions about new features where ever was required.

Ihor Palteka Marketing Specialist at LOVAT

5.0★

Web3 Development Review from Ihor Palteka

We worked with CIDT on building a web3 tax module for our platform. The team created the full backend: blockchain data processing, NFT and DeFi event detection, VAT logic, and reporting. Communication was easy, and we always talked in Slack with regular Zoom calls to check progress. The system works stable and fits well into our product. We had some extra design iterations, but the team handled them quickly. Overall, it was a good and smooth cooperation, and we are happy with the final result.

Dan Baryshnyk UI/UX Designer at TradeVibe

5.0★

Web3 Development Review from Dan Baryshnyk

Working with Consider It Done Technologies has been an outstanding experience. Their team helped us turn the idea of TradeVibe into a fully functional validator and staking automation platform. They managed the entire process - from product architecture and design to backend development and DevOps - with impressive technical precision and attention to detail.

Blockchain Review from Hanna Korovianska

We partnered with CIDT to integrate a cryptocurrency payment module into a custom eCommerce platform we were developing for one of our clients. Our goal was to add a secure and seamless crypto payment option without disrupting the existing checkout flow.The CIDT team handled everything related to blockchain integration from wallet connections and smart contract setup to documentation and testing. Their work was well-structured, efficient, and fully aligned with our development process.A special mention goes to Ramil, CIDTs CTO, whose technical expertise and leadership were outstanding. He guided our team through the blockchain-specific parts of the project, explained complex concepts in simple terms, and helped ensure that the solution was both reliable and easy to maintain.All milestones were delivered on time, communication was smooth, and the final integration performed flawlessly. Within the first three months after launch, over 3% of transactions were completed via crypto payments, with a higher average order value than traditional methods.Overall, working with CIDT was an excellent experience. Theyre a professional, knowledgeable, and trustworthy team, and we look forward to future collaborations.

Zuhair Jawed Product Manager at myco

5.0★

Mobile App Development Review from Zuhair Jawed

Working with MyTeams for our streaming app has been a truly professional experience. Their frontend development team brought our idea to life with a seamless and responsive user interface. The UI/UX design team delivered a myriad of designs that were not only visually stunning but also intuitive and user-centered. MyTeams provided top-notch frontend development and design team augmentation services, giving us the flexibility and expertise we needed at every stage. Key feature integration was flawlessly executed, enabling smooth experience for our users. The AI assistant and chat integrations added a modern, personalized layer to the user and admin apps, enhancing user engagement. Throughout the project, MyTeams consistently delivered high-quality work, expanding our capabilities through skilled development and design staff augmentation. Their collaborative approach, technical proficiency, and commitment to our success made them an invaluable partner in launching our streaming platform.

Mason Ferlic CEO at GripFusion

4.8★

Consumer IoT Review from Mason Ferlic

GripFusion is a sports technology startup developing Tactile Intelligence. Our flagship product, the ForceBall, is the first grip-sensing baseball. We approached Atomic Object with the challenge to build a React Native iPad app to connect with the embedded electronics over BLE and visualize sensor data in real time. Atomic stepped up to the plate and hit a home run! They took early R&D code and we're able to successfully navigate IoT challenges, large amounts of sensor data, and seamless UX. The developer team worked closely with our technical staff to incorporate evolving firmware and hardware improvements. The design team did hundreds of hours of user discovery and product feedback to ensure we deliver a cutting-edge experience. Overall, Atomic has the breadth and depth to tackle complex hardware-software systems.