Top 100 App Developers

Netguru developed a native iOS and Android app, from minimum viable product (MVP) to outstanding finished product. Their customer-centric approach and company culture wowed the client, as did their responsive project management and transparency.

“People are really impressed by the system. In terms of ease of use, it’s a dream.” – Co-Founder, Healthcare Tech Firm

Credencys Solutions was hired to develop a gaming application for iOS and Android platforms. The client was pleased with Credencys Solutions' trustworthiness and adaptability.

"If they [Credencys Solutions] don’t know how to do something, they will find a way, figure it out, and they’ll do it."- Freelancer at Gaming Studio

Jelvix coordinated the backend and frontend upgrades of an existing mobile app for a third party. Services included adding functionalities and improving the CMS. The third party has already stated their desire to continue collaboration for later versions.

“The app has been released and is performing well for users. The client has already suggested to us that they would like to keep this same development team to oversee the next version.” – Project Manager, App Development Firm 

A retail software company hired TTT Studios to develop iOS and Android applications. They integrated these scalable applications with a POS, e-commerce backend, and multiple APIs. The app helped users manage memberships and loyalty points. The client was pleased with their expert suggestions and flexible approach.

“They were solid, professional, and knowledgeable. Their development approach was creative.” Director of Marketing, Retail Software Company
 

xDesign developed to help a modular building manufacturer better monitor its product delivery. The client mapped out its goals, from which they designed wireframes, prototyped, and ultimately delivered the app. The client was impressed with their ability to understand the project goals and provide input to improve the product. 

"They picked up our business process very very quickly and they were very good at pointing out things they thought might be better." – IT & Digital Manager, Modular Building Manufacturer

nomtek developed a mobile app to encourage the use of the client’s existing software tool, offering their technical expertise and capabilities in app optimization. They impressed the client with their coding, product development, and “tidy” end-to-end project management.

“There is nothing that I can think to improve. Overall, we were pleased by the collaboration. I would give them high marks for every factor.” – CTO at Educational Organization

A university wanted a WordPress website for a conference it was hosting. Netsells designed and developed the site, and they also created a logo for the conference.

"We were really pleased with the services received from Netsells. The Conference Chair and our team were very happy with the final result. Netsells ensured the website was suitable and made to our specifications." - Marketing & Development Officer, University

Koombea transitioned a home improvement company's e-commerce website to Shopify Plus. Using Ruby on Rails, the team created an intermediate platform to facilitate the migration between Shopify and the client's back office. Since launching the new site, the client's sales have skyrocketed.

"We have the most stable e-commerce platform. We had a huge increase of 700% in sales." — CIO, Home Improvement Company

KindGeek was hired by a betting platform to help with its web development needs, specifically frontend, backend, and UX/UI design. KindGeek redesigned the platform's website and integrated its payment system and Twitch streaming functionality. Their work has resulted in over 3,000 people signing up on the landing page it designed.

"I think KindGeek has up-scaled and educated me in some aspects of the website that we need to understand a bit more, like the ins and outs of how we're going to scale it, and why we're choosing the frameworks we're using. KindGeek has educated me in the journey and the forward-looking aspects of what we need to do with the website. " – CEO, Betting Platform

Brainvire recoded applications and translated an ERP system for a national retail chain. They used React Native to build the applications and Magento and Odoo for the ERP. The client was satisfied with how their work helped expand its digital footprint. 

"Their expertise helps us define the roadmap in terms of where we’re going and how we can expand our digital footprint." – CTO, National Retail Chain

A grocery store wanted to create a mobile customer rewards system, and knew developers, but didn’t know any that excelled in mobile app development. They found Shockoe and were really impressed with them.

“Having the owner and the core team members being in on all the calls and really taking the time to make sure we were taken care of was very impressive.” – IT Manager, Grocery Store Chain

The founder of a money transfer service had an idea for quick and seamless international money transfers and brought Prismetric on board to build both the iOS and Android apps.

“They are great to work with and always ready to make necessary changes without extra cost. The results were perfect, and I am satisfied with the project.” – Founder, Money Transfer Service

An IT company hired RichestSoft to enhance its online presence. RichestSoft developed an e-commerce platform for the client – a website, iOS and Android apps – and designed both the front- and back-end.

“Once I present a task to them, they don’t hesitate to do it. The quality of the work is good.” – Director, IT Company

itCraft provided custom CRM development for a Polish commercial GPS provider. The client was undergoing a period of rapid growth, and needed a dedicated system to keep up with demand. After an audit of the client's business practices and goals, itCraft developed automation solutions for several administrative functions. The client especially appreciated itCraft's communication skills and willingness to listen to suggestions.

"They were very good at communicating. We could tell they have extensive experience in consulting as they listened closely to our needs. " – Co-Owner, GPS Company

BiTE Interactive partnered with a technology company to develop the clinical research associate application to streamline costs and reduce overhead to be more efficient throughout the client’s generation process.

“The time and attention they spent to understand our underlying needs were outstanding. It’s easy to get prescriptive and say “based on my experiences…” but they set aside their preconceived notions understood our process through documentation, stakeholder interviews, and collaborative reviews. This due diligence prevented us from jumping to the end results.” – Executive Director, Product Team, Mobile Tech Platform

A tech startup veteran was working on a new fanfare app company and wanted to start with a native mobile app. Impiger Technologies came through to deliver both iOS and Android versions of the app.

“I got into it thinking it was short term but I’m definitely viewing it as a long term partnership. I have developers and project managers that are dedicated to my project.” – Co-Founder, Fanfare App Company

Ekreative worked with a medical device company to support their already existing market websites. Ekreative initially worked on just one of the company's websites, but because of positive feedback, Ekreative ended up working on all of the company's sites, and the marketing organization of the company is satisfied with the results.

"Ekreative immerses themselves to become a good part of the team. They’re not trying to sell a product or pitch themselves. Their team works with us to resolve challenges and errors." - Manager, Medical Device Company

Despite the project’s complexity, e-Legion excelled at developing, testing, and providing support services for a mobile banking app. The client appreciated the team’s timeliness, cost-effectiveness, and capabilities across a range of mobile services.

"We didn't need to spend extra time or money on testing because e-Legion's work was so good." – Director of Development & Electronic Channels at Russian Bank

iD East was tasked with helping a manufacturing company with a mobile app development. They helped design the app and created the screens, all while building a parallel, Android app as well. Both apps have received positive user feedback, and iD East impressed with their ability to follow strict development guidelines. 

"We have strict corporate guidelines, so it was quite difficult to create something nice and creative that abided by our guidelines. iD EAST managed to do that. "-MultiMedia Director, Manufacturing Company 

A beauty salon hired Digiryte for their digital development services. The agency developed a customized software that included automated billing, customer reviews, and more. The software is easy to use and has brought in new customers. 

"I’ve shown my website to a few people, and they’re all impressed. I can use the software with ease, and it captures all the data that I wanted. People come to the salon after seeing the look and feel of the webs."–VP Technology, Beauty Salon

Utility developed a live streaming platform for a new network. The project included UX/UI design, live streaming architecture, and search filtering. As a result of Utility’s work, the network received positive reviews and was acquired by a big name company.

“We provided our goals, told them what we needed, and collaborated during the rounds of UX designs, but they took it all from there and steered the strategies around how to implement and execute everything digitally.” – Director, Network

The BHW Group was hired by a social network platform to build its website and mobile apps from the ground up. The founder of the company is very pleased with The BHW Group’s ongoing work.

“If I was to start the process over again, I'd use the same team and not waste any time calling other people.” – Founder, Social Media Company

Wolfpack Digital developed an app for Android and iOS that allows users to share information for events. The app launched on time and received a bunch of positive reviews. The client prides Wolfpack Digital on their flexibility.

"We really felt like Wolfpack was part of the team during the year that we worked together."- Co-Founder, Local Events App

A large power equipment manufacturing company hired Quytech to develop an Android mobile app and a web app to help salespeople be more efficient in the field. The app collects data about the salesperson’s presentation and shares it with the home office.

“Quytech delivered what we asked them. The work is good, and we’ve received fewer complaints or requests for changes from the users.” – Engineer, Large Power Equipment Company

Waracle developed an intuitive and easy-to-use app to showcase the client’s intellectual capital and real estate information. Faced with a rigid timeline, the firm delivered an innovative and successful product from their deep experience in development.

"Their technical expertise with mobile apps is second to none." – Director, Real Estate Company

DMI developed a mobile app on Windows for a large hotel group, providing extensive user experience research and design input such as wireframes and mood boards. Their work stands out for mobile, branding, and data management.

“They tend to think about the end product as a more marketable product. They don't just look at achieving the KPIs [key performance indicators] of the product owner here internally, but also looking to provide fantastic feedback in terms of how certain features or functions can be marketed.” – User Experience Lead, Large Hotel Group

Space-O created a robust healthcare technology app for an emergency medical service (EMS) organization for iOS, Android, and Windows. The company met each milestone with ease, impressing the client with their technological savvy and skills in communication and resource and project management.

“I can't even explain how impressed I am now working with them. ... This service goes above and beyond.” – Chief Information Officer, Healthcare Tech Firm

A Canadian military nonprofit partnered with 247 Labs Inc. to build a job search platform for veterans integrating back into civilian life. 247 Labs Inc. was hired as a subcontractor responsible for delivering backend development with a focus on analytics, as well as longterm maintenance. 247 Labs Inc. used MongoDB and MySQL to develop the backend of the platform, including an automated matching functionality and improved on-site search. Following 247 Labs Inc.'s work, the military nonprofit noticed significant audience growth. 

"Initially, we migrated around 7,000 candidates to the new platform. It reached 10,000 users by February 2018, which was a confirmation of the site’s design and usability. Our employer count also increased, from 300 at the time of migration to 450 by February 2018." - Program Manager, Military Nonprofit

Y Media Labs developed mobile apps for a financial services firm on both iOS and Android to complement the existing web-based platform. The team’s responsiveness and focused approach gave the client early confidence and ultimately returned a premium finished product.

“Y Media Labs really goes above and beyond to work with the client to ensure that the final user experience is great. To this end, they work with best practices and prior experience to improve our offering.” – Mobile Product Lead, Financial Services Platform

Halcyon developed an iOS and Android app to ease addiction treatment through community support. The team’s robust code, quality design, and transparent workflow impressed the client, as did the end-product.

“We are very satisfied with their work. We have incredible reviews on the App Store and a rating of 4.6 stars.” – Co-Founder, Addiction Treatment App

EB Pearls was hired by a not-for-profit initiative to create a user-friendly app for people looking for work in the disability, community, and aged-care sector. 

"The app now gives smartphone users a faster and simplified UX. It has added another dimension to our service and given us a steadily growing database of job seekers." – National Manager, Nonprofit initiative 

DIGIS developed a platform for a media company. They created a platform that would allow the client to make changes to all 27 of the sites that they controlled. They performed an architectural migration to Microservices and connected all the sites to the same backend. The client was very happy with the finished product and impressed with the quality to cost ratio of the work.

“They offered very competitive prices and adhered to the schedule we set.” – Senior Contractor Manager, Media Company
 

A political polling startup needed help laying out its app and getting it to market. CognitiveClouds developed and designed the app, which aimed to give people a voice in politics by collecting data from the public to share with the political community. They also helped the client publish the Android and iOS versions in the App Store and Google Play Store. 

"I found the development team to be honest and responsive. When mistakes are made, they owned up to them and fixed them. CognitiveClouds impressed me by taking ownership of the project from the beginning and being very committed to all delivery dates." – Founder, Political Polling Startup

An essential oil company hired Excellent WebWorld to develop mobile apps and a website. The client's platform allows users to collect recipes and manage their inventory of essential oils. They developed iOS and Android apps as well as a website for backend administration. The apps were well received by the client's customers.

"Within six weeks of our launch, we had over 500 users and the feedback was overwhelmingly positive. Many people commented that the user interface was intuitive and pleasant, so their UI designer did a fantastic job. " - CTO, Essential Oil Company

December Labs built a mobile application for a communication technology firm in the US. The client maintains a web-based digital platform for government communication and needed mobile experts to integrate their functions into a mobile app. The December Labs team delivered the project on time with the requisite functionality. Furthermore, they did so with minimal interruptions thanks to proactive project management practices.

"They pay attention to detail, try to understand the problem, and come up with solutions instead of just meeting requirements. December Labs thinks through what you tell them to do and suggests alternatives when they are better for the project." — VP of Engineering, Communication Technology Firm

A filmmaker startup recruited Majestyk to develop a minimum viable project (MVP) for its platform, which allows students and professors in the film industry to connect, communicate, and submit projects. After the startup had a negative experience with another app development company, Majestyk saved the day, developing a web platform from the ground up.

“Majestyk developed our web platform, starting again from scratch. We plan to develop a mobile app in the future. … They’ve all been helpful in terms of communication.” – Co-Founder and CEO, Film Startup

An internet bookstore wanted to create an online solution for people wanting to read on mobile devices. Better Software Group developed the app from beginning to end, doing wireframing, coding, and programming.

"They are very strong at UX, graphic design, application design, and knowledge of current trends. They have impressive creativity, quick problem solving, and time management. It's good value for the quality of work done." — Director of Development, Internet Bookstore

Over a five-year span, SimbirSoft developed numerous web and mobile apps for brands in the client’s portfolio. The end-product enjoyed positive reviews and helped the client meet revenue goals, while the team’s service-oriented attitude and flexibility were also appreciated.

“It is always pleasant to deal with the SimbirSoft team. A devoted manager who is always in touch with us also creates this sense of comfort. Their speed of delivery and the quality of their work is excellent.” – Project Manager, Russian Publishing Company

One of Toptal's most impressive clients is a machine learning and artificial intelligence platform for marketing. The sophisticated nature of the project required expert developers familiar with cutting-edge technology and complicated programming principles, and Toptal's freelance screening service enabled the client to find freelancers with the right skills quickly. The varying needs of the project made Toptal the right choice because they could easily expand and shift the focus of their development team.

"Toptal made it easy to work with the team. If there was ever anything wrong, it was fixed quickly." – Co-founder, Advertising Technology Firm

Uptech worked with a video production company to build a live streaming platform. The client found that the platform brought significantly more business to their company. They continued to work with Uptech to add in new user requested features.

“Since we built this platform, I've been tripling my revenue metrics compared to last year. Their work is reliable and professional. I can control and tweak every aspect.” – CEO, Video Production Company

A technology consulting firm wanted to develop a mobile app but needed technical resources to support the development. NS804 helped the client fine-tune its general concept before completing the app's design, development, and coding. Throughout the project, they leveraged their experience and expertise to proved crucial guidance.

"They were able to grasp our concept, pick up the ball, and run with it. They even provided improvements on my original idea." - Managing Partner, Technology Consulting Firm

Clearbridge developed a full-featured iOS and Android app that enabled telecom customers to pay their bills and manage their statements. The client raved about the team’s proactive attitude, immaculate project management process, and flawless – though complex – deliverables.

“They’ve impressed multiple departments and teams within our organization. They’ve set a new standard for us.” – Product Manager, Telecommunications Company

RipenApps developed a website and corresponding native Android app for an IT services company. They also developed a data management system to improve operational analytics and provided visual and written content. They delivered an efficient, user-friendly design. 

“Our experience with RipenApps was great. Everything went well. We were happy because RipenApps really understood what we wanted. The most important thing was making the app and website user-friendly, especially for non-technical people, and RipenApps made it happen.” – Founder, IT Services Company 

Demonstrating fluency in several coding languages, the team developed a highly successful app that earned 10,000 downloads in two months. The client praised the developers’ work ethic and management’s flexibility and communication skills, calling the project an overall positive partnership.

“They have very good experience in product development. Their code is really good quality. The top management is very approachable.” – Founder, Real Estate Visualization Company

Big Nerd Ranch developed a series of dynamic iPad apps that produced massive sales results in the first year. The client was impressed by their ideation process, customer service, and quality deliverables.

“I just felt comfortable with the team Big Nerd Ranch had. That’s the reason they got the initial business. They received the repeat business due to the quality of work and our pleasure with working with them.” – Director of Marketing, Pest Control Company

Promatics worked with a facility services provider to create an app that would let them coordinate better with their customers. They delivered iOS and Android apps, backend development for a website, and design.

“I'm amazed they were able to produce such quality results at such a low price. I expected to pay twice as much as they charged. They offered an unending commitment to my product, and the value for money is simply off the charts.” – Owner, Facilities Service Provider

Yalantis created a web-based application for a food and beverage company from Switzerland. They implemented the food and beverage company’s designs, performing both frontend and backend development using Ruby on Rails, HTML, and JavaScript.

“They [Yalantis] offer a good balance between price and work quality. If the same developer came from our country, we would be paying five times more.” – CEO, Food & Beverage Company

Sonin built an app and website for a custom afterlife messages service. They developed the app to be very user friendly, with the ability to upload photos and letters, and to merge audio, video, images, and text. The client was happy with the finished app, and said that it was simple and intuitive. 

“Their technical competency was the most impressive thing. Some of the features we wanted in the app were quite complex.” – Operations Director, Custom Afterlife Messages Service
 

3Advance rebuilt a website for a legal nonprofit to update security, improve email capabilities, and streamline UX. The website is a free service for journalists who have First Amendment or Freedom of Information questions.

“Feedback from users has been very positive. It was our first professional site; our old site was very static, and on this one, everything is updated without having to refresh a single URL.” – Legal Defense Director, Advocacy Nonprofit

OpenXcell developed a social media app targeted specifically at mothers for a consumer tech startup. They worked with the client, who had an in-house creative team, to implement their designs. They did all the backend development work and created apps for iOS and Android. The app was a success, surpassing the client’s expectations and gaining more than 1000 users within the first week.     

“If you think about the software development life cycle, I think OpenXcell excels in development. I can only speak from a partner’s perspective, but if you’re willing to put in the hard work with them, they will deliver.” – CEO, Consumer Tech Startup