Top 100 Productivity App Developers in the United Kingdom

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.

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

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

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

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
 

Chelsea Apps built an SDK for a customer feedback corporation. The SDK was to be inserted in customers' own mobile applications for better testing. It needed to be easy-to-understand for development teams to work with easily. Chelsea Apps made an SDK that was compatible for both Android and iOS.

"We're in the early days, but we've had 3 clients sign up to use the SDK and 2 of those clients are releasing updates to there own apps in the next month, so we're excited to see the user feedback, but the developer feedback so far has been great." - CTO, Customer Feedback Co.

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
 

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

Exploding Phone Limited worked with a paper and plastic retailer and developed a B2B e-commerce mobile application for PC, iOS and Android. Key features on the app include SAP ERP integration for orders and inventory and custom UI/UX templates for customers. The client was impressed with the team's work.

"They never made the process difficult. The team explained their work so that even someone with a non-IT background could understand it. They were upfront about their capabilities and the challenges of what we’d ask for, but they fully committed to the work." – Group IT Director, Packaging Company 

A professional sports league’s communications team hired BrightStarr to build a SharePoint system to share documents, data, analytics, and resources and communicate more effectively across teams. At the time of the interview, the platform was not live, but the client said the partnership has been positive so far.

“Overall, the engagement has been really positive. One of the reasons that I decided to go with BrightStarr is that they aren't just going to deliver what was requested. BrightStarr is going to challenge us to do some new and innovative things and think outside the box.” – Strategic Planning Analyst, Professional Sports League

Appoly Ltd was hired by a Waste Logistics Business to develop mobile apps that do business functions like fleet management and customer service. Appoly Ltd has developed two apps: one for drivers to coordinate with the transport hub at the main office, and the other is for customer interaction. The app developed for professional kitchen and bathroom fitters can pass on a diary of works that allowed tracking of the business to go ten times faster.

"In each project, Appoly contributed ideas and listened to ours, suggesting ways to implement them." - Head of IT, Waste Logistics Business    

Nodes designed and developed a mobile app for a beer retailer to drive traffic to its customers and communicate to them its various sales and promotions on offer. Nodes' app uses its own design ideas, with a heavy dose of backend development and API integration. The app was downloaded 130,000 times and has become the biggest food and beverage app in Denmark.

"Their work was very good in understanding consumer behavior within mobile applications and developing a framework that could be driven." — Group Marketing Technologist, Beer Retailer

GearedApp developed apps for a poultry breeding company. The client needed three different apps for its separate global brands. GearedApp took over from another developer and added several new functionalities, improving the design of the apps and decreasing their download times. The client was impressed by the improvements that were made to the product and the speed with which they were implemented.

“They’ve improved both the apps’ design and functionality and dramatically reduced their download time.” – Assistant Marketing Manager  

Pocketworks designed and developed a mobile app for a drain camera systems company. The application was successful and used throughout the business.

"Having an application was new to our side of the business, but now it's the thing that everyone wants to use." –Research & Development Manager, Drain Camera Systems Company

A fitness club hired Softwire for several projects after a successful website redesign. Softwire redesigned the client's booking system based on PHP and MySQL. Softwire then created a corresponding mobile app for booking. They also provide general maintenance and support, advise the client on branding and lead generation, and develop any custom software.

" Their mobile app, connected to the booking system, reduced the number of customers booking through our receptionists from 75% to 5% and allowed customers to easily schedule courses. Their stabilization to our main site helps bring in new members all the time. They cut down a significant amount of labor cost and continue to improve the membership experience." -IT Director, Fitness Club

CronJ IT Technologies partnered with an education platform to develop a web application for users to assemble teams, perform tasks, and earn points that are redeemable for gift cards. They provided successful features for the launch of the application.

“The platform has lots of features. User can earn gift cards by solving problems, which makes it more appealing. We appreciated their project management, especially compared to the vendors we had worked with before.” –– Project Manager, Education Platform

Black Pepper Software Ltd developed an app for an international pharmaceutical company for use in trade shows. The app was designed to display running clinical trials and help medical representatives track these trials to aid suitable prescribers. Black Pepper Software Ltd also developed a system that collects real-time data for display on a global map.

"Their estimation of project timing has been exceptional. So far, we've been ahead of schedule on every project, we've been able to use gained time to further enhance the final product beyond that of what we had promised our client." - Senior Project Manager, Multimedia Company

A learning mobile development company needed Exyte's mobile expertise. The agency was especially qualified to build an entry-level independent development environment (IDE) with a suite of learning tools and importing premade designs. The client was impressed with Exyte's relatively bug-free code and timing of deliverables as well as their management and operations skill.

"We have very good communication, they are always online, and the time that they plan for features is always exact." – CTO, Educational IDE Startup

ustwo partnered with a large bank to assist with a geolocation-based project. The team provided UX strategies to use in the development of the prototype. They pleased the client with their productive work ethic and range of skills.

“Their ability to move very quickly was something that set them apart when we were observing how they work. They had a fantastic developer with us early who was great regarding business.” — Executive Manager, Large Bank

Komodo Digital partnered with a delivery booking startup to develop a new website and iOS app. They developed the website using Node.js and worked closely with the client to build the apps to their specifications. The mobile app and website allowed the client to launch their platform.

"They delivered products that launched our company from nothing to a reasonably sizeable business, which made a significant impact." – CEO, Delivery Booking Service

CMARIX partnered with this VR gaming company to create a web app designed to communicate with VR arcades. Ideally, the product will show an aggregated list that drives web traffic towards these virtual venues. Using a PHP framework, CMARIX also integrated Stripe APIs, payment processing with Apple and Android. After completion, the user tests were successful and CMARIX helped set up Google Analytics.

“We had a short timeline for this project, but CMARIX still delivered our product on budget.” –Product Manager, VR Gaming Company

Blueberry Consultants designed and built a platform to order healthcare items across multiple user and supplier systems for a medicinal product startup. The client was impressed with their expertise.

"Their recommendations proved to be vital for improving the overall development process." –Managing Director, Medical Product Start-Up

DOIT Software was hired by a consultancy to built an iOS app to accompany an existing Android app. DOIT Software also assisted with a digital business card product the consultancy created.

"Before major releases, a part-time QA person spends a few days testing it before we push it to the App Store which results in a smooth launch and everything working great." - Business Consultant, Consultancy

An architectural designer hired Vecro Tech to build a WooCommere site in three weeks. It's a customized PHP site that has a webshop and an online course platform. They're currently managing the site's SEO/PPC.

"It was a very smooth process."

Gorrion Software House worked on various e-commerce development needs for an e-commerce platform. The team has created large CSMs, mobile applications, and rapid shipping management. The client was pleased with the team's work. 

"The project management was very effective." — CEO, E-Commerce Platform

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

DabApps built an app for an illustration agency. They created apps for Android and iOS that fit the client's specifications and incorporated their visuals, artwork, and custom emojis. The client was very satisfied with the product, and with the professional partnership. 

“They were really good. They stuck to all the deadlines we set which were quite tight at times. They had very good project management overall.” – Agent, Illustration Agency
 

Bad Dinosaur provided prototype development for a smartphone ordering solution. Their team implemented existing sketches and wireframes to build an Adobe XD prototype. The prototype has helped the client to interact with their customers and has received positive feedback.

“The work was delivered to a high standard and the overall output exceeded our expectations at the beginning of the campaign.” – Co-Founder & CEO, Smartphone Company

Door 105 designed and developed an iOS application as well as a website for a beauty platform. They implemented features into the mobile platform that enable users to schedule and pay for services via Stripe or PayPal. The app received positive feedback about its look and feel, making them a go-to service provider.

"Their communication stands out." — Founder & Owner, Beauty Platform

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