Top 30 iPhone App Developers in the UK

From minimum viable product (MVP) to finished product, STRV developed a smart fragrance app for iOS and Android. The product engaged users and immediately stood out on the market, while the team’s speed, efficiency, and comprehensive expertise impressed the client during the entire cooperation.

“It’s been impressive for us to work with STRV because they’ve been able to problem-solve different aspects that had never been touched or done before in this industry. It’s rewarding to work with an incredible team of smart people who can solve problems that don’t exist yet.” – Co-Founder & CMO, Fragrance App
 

hedgehog lab created a series of successful apps for a large Norwegian energy company. Designed for both iPhone and iPad, the apps were made to inspire creativity and engagement within key audiences. Workmanship aside, the client also recognized their professionalism and proactive approach.

"We really enjoyed working with the hedgehog lab team. Their company is efficient, helpful, friendly, and delivered perfectly on time to a very high standard." – Web Editor, Norwegian Energy Corporation

Thoughtbot’s team helped the client develop a custom software solution aimed at enhancing consumer advocacy. With deliverables mostly on the back-end, the client valued the estimable coding skills, rapid completion time, and commitment to quality.

“They provide a consistent level of service that I haven’t seen from agencies or even our in-house team. Their engineering standards, development standards, and the way that they have that consistently through their team is very impressive.” – Head of Product, Consumer Interest Nonprofit

Intellectsoft created an e-commerce app with matching backend infrastructure, then integrated it into the client’s blockchain technology. Transforming the given creative demands into a satisfactory product under a strenuous deadline was deemed impressive, as were their communication skills and determination.

“We've given them a challenge, and they've met it, which is why Intellectsoft has become our leading service provider for technology development.” – Program Manager, Holding Company

Magora developed two apps and provided a range of services to a conference organizer, including web and graphic design, full-stack development, and database maintenance and development. The client appreciated Magora's expertise, timeliness, and overall efficiency in project communications and completion.

“I would say they are the best outsourced firm we’ve ever worked with. Their project management skills are great – very transparent and very responsive to communication about fixes being urgent.” – Founder, IT Conference Organizer

Under a tight deadline, Ready4S developed and implemented an app solution to give the client’s employees easier access to customer data. The team earned praise for its cooperative approach, project management skills, and quality results.

“I am pleased with our effective cooperation with Ready4S. … I highly recommend Ready4S as a reliable partner.” – Former Sales Support Director, Global Bank

Fueled designed a bidding-style app for a company that deals with nightlife reservations. They built the app from scratch, taking into consideration what the company wanted, as well as giving advice. The app had a lot of functions, such as a list of venues, submission options, and tools that allowed notifications to be sent from venues.

“They’re incredibly efficient in the work that they do and know what they're doing in design, coding, and executing their ideas. They have a great understanding of what's current and get things done very quickly compared to others.” – Founder, Mobile App

Offering both a strategic perspective and development skill set, Mubaloo developed a native iOS and Android app to facilitate exchanges between investment managers and investors. The project was successfully completed on time and on-budget and convinced the client to retain Mubaloo as a digital consultant.

"Mubaloo was refreshing to have for this initiative; their insight, approach, and knowledge was invaluable." – Solutions Director, Investment Firm

An online history encyclopedia hired Geeks to build a web app for extracting content from other websites. The client's key challenge was ensuring that the web app could handle a high volume of data. Geeks developed custom software featuring a user-friendly frontend and a backend capable of extracting significant amounts of data. Finally, Geeks created a JavaScript library that the client can sell to other businesses. The client appreciated Geeks' creativity and innovation.

"Our visualization engine can generally handle ten times more data and the average JavaScript library. We’ve had no problems with the stability of their code. The server has always been perfect." - Co-Founder, Online History Encyclopedia

Tapptitude developed an app prototype for a food ordering company. They executed the food ordering company’s vision perfectly and were retained to develop the full product. Some app features Tapptitude developed included platform signup, payment systems, and restaurant menu integration.

“The proof that I’ve been happy with Tapptitude is that we’ve continued working long-term, even though I’ve had the option to use in-house developers. I felt that the communication was great and, most importantly, the quality Tapptitude provides is amazing, as is the communication.” – CEO, Food Ordering App

Novoda configured a desktop application and built an Android prototype for a system-optimization software company. Their team coded the main functionalities and inserted an in-app purchasing feature. The app gained over 50 million downloads and a 4.4-star rating on the Google Play Store.

"Last December, monthly revenue for CCleaner was about $100,000. I attributed these metrics to the freemium model and Novoda’s collaborative efforts." – Head of Product, System Optimization 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

Apadmi developed an app that enables customers of a large digital retailer to make in-store purchases and manage their accounts. From technical development to ongoing support and expertise, the client enjoyed the company's skill and flexibility and continues to trust in their partnership.

“Our collaboration has led to a number of successes with the mobile app — I wouldn't change a thing.” – Channel Manager, Global Financial Service

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

The Distance App Developers worked on mobile app development for a self-guided walking app. They designed and developed native mobile apps for iOS and Android. In addition, the team integrated a GPS tracking system into the app to enhance the user’s experience and provide additional functionality. The client was impressed with the positive feedback the project received.

“The app has received positive feedback and was the subject of an article in GQ magazine. The initial reviews on The App Store have been great.” – Founder, Self-Guided Walking App

Rantmedia developed an app for a cybersecurity firm. They used the client’s existing assessment methodology, which was spreadsheet based, to develop an app that would perform the same tasks but be much more user friendly while still being extremely secure. The client was still in the testing phase of the project but reported being extremely happy with the product so far. 

“They never encountered something that was too challenging for them to handle, and it was quite a complex program. They were always very accommodating and took on the work with an incredible amount of grace.” – CTO, Cybersecurity Firm
 

3 SIDED CUBE developed a suite of disaster preparedness apps to help keep communities safe during natural disasters. Using location-targeting and emergency alerts to develop an app across iOS and Android that help people prepare for, respond to and recover from all kinds of natural disasters. The suite of apps has garnered over 10 million global downloads and delivered more than 500 million emergency alerts in a year. The team has been praised for their agility and knowledge while the suite of apps has been recognized for their reach and impact during times of crisis.

“They’re very knowledgeable and often suggest additional functionality or features that you wouldn’t have thought of otherwise. They’re one step ahead of the game.” – Digital Manager, Civic Organization.

A software development company hired Matellio to produce an app used to rate conferences users have attended. The app was developed for iOS, Android, and the web. 

"I've had a lot of really good user feedback—people really like it. Both the app and the website run smoothly. " - Owner, Software 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

One of Innovify’s clients, an on-demand delivery platform, wanted to streamline how merchants and businesses placed orders and how they assigned drivers. Innovify developed an Android app and website and helped with marketing and strategy.

“I have worked with a couple of these companies before, but they haven’t been as process-oriented as Innovify. They have good processes in place and everything was good for me.” – Founder, Logistics Company

Brightec developed the front and backend of an iOS and Android app for a global housewares company. App users responded favorably, while the client appreciated the team’s savvy branding, responsiveness, and high quality deliverables.

“The app works really well and has a clean look and feel to it. Brightec did a great job.” – Digital Manager, Global Housewares Company

When a private dating club needed a mobile app to attract and retain club members, they hired Borne Digital to get the job done. Borne Digital designed and developed the app, which allowed dating club members to receive notifications about upcoming events and RSVP. The app improved the client's key metrics – evening the women-to-men user ratio from 80:20 to 60:40 and improving sales.

"I loved the personality of the founder and [the team's] strong design skills, and I was actually happy with the price point. Handing over that money as a very small business, I felt like I'd gotten value for it. Other, bigger agencies I’ve spoken to didn’t understand what it was like to run a small business." – Founder, Private Dating Club

Ampersand & Ampersand worked on mobile app development for a healthcare platform. They developed iOS and Android apps for the healthcare sector, capable of integrating with various APIs. The client was impressed with the positive feedback the project received.

“People like the app so far. Ampersand takes their work very seriously.” – Entrepreneur, Healthcare Platform

MyOxygen developed a multi-device mobile app for an ambulance service to help map field resources, assess incident impact, and coordinate routes more effectively. The app is widely used by its target audience. The client found the team to be highly attuned to their needs throughout the project and pleasant enough to share a laugh with.

“I’ve always been impressed with their innovation, approachability, professionalism, flexibility, and ability to look forward.” – Resilience Officer, Emergency Ambulance Service

Flat Rock Technology created an e-commerce website for a travel bicycle retailer. They continue to maintain the website with various updates. The client prides the team on their professionalism. 

"There is a high degree of professionalism in the team, and they always go the extra mile to complete a task. By opening up new channels, we have increased our sales revenue opportunities exponentially." – Head of Digital Technology, Travel Bicycle Retailer

Mobiloitte developed a mobile app for a social merchandising service. Using iOS and Android, they designed and developed the app based on the client’s rough architectural document. They designed UI and built the back-end of a database using PHP. The client was impressed by the high-quality work and professionalism of Mobiloitte.

“They met deadlines and requirements for each stage of work and kept us updated throughout the project.” – CEO, Social Merchandising Service  

Digiruu worked with a children's book app developer to develop the app itself. Digiruu handled iOS development of the app and currently provides ongoing maintenance for it. Digiruu was also able to find an illustrator for the app, which helped provide illustrations for the book.

"They help single-person operations and small businesses just starting out and don’t charge high prices, which is what I needed. A lot of the bigger companies I did go to were a lot more expensive because their focus was more on medium to large companies." - Founder, Children's Book App Developer