Add Jam specialises in Ruby on Rails, React Native, and native iOS development. With over a decade of experience, we help businesses build and scale digital products that users love. Our Glasgow-based team works closely with partners worldwide, delivering solutions that drive real business value.
Comprehensive mobile app development across all major platforms. Whether it's React Native for cross-platform efficiency or native development for platform-specific excellence, we deliver mobile solutions that users love.
Health
Wellbeing
A mobile app that helps people track intrusive thoughts about food. Log the moment, rate the intensity and start spotting patterns. Built with iOS widgets, Apple Watch and Wear OS for logging when it matters most.
Health
Wellbeing
Most people know how to eat well. The hard part is staying mindful of it day after day. Weight Habits keeps the awareness going with the smallest possible daily commitment.
Healthcare
Education
A sensory play app for babies during tummy time. Built with SwiftUI for iOS and iPadOS, using the camera, accelerometer, touch and sound to create engaging scenes that encourage babies to lift, look and explore.
We use the latest web technologies to build fast, responsive and reliable web applications. Our team of experts will work with you to create a custom web application that will help your business grow.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Marketing
Developer Tools
We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. What started as an afternoon project has evolved into a suite of free ASO tools helping app creators worldwide get their apps discovered.
Education
FinTech
How Add Jam partnered with Educational Intelligence to create Money Matters, a digital platform addressing the UK's financial literacy crisis where 12.9 million adults struggle with money management.
We design and market products that people love. Our team has experience in product design, marketing and user experience that has proven to generate revenue and scale.
Healthcare
Education
A sensory play app for babies during tummy time. Built with SwiftUI for iOS and iPadOS, using the camera, accelerometer, touch and sound to create engaging scenes that encourage babies to lift, look and explore.
Marketing
Developer Tools
We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. What started as an afternoon project has evolved into a suite of free ASO tools helping app creators worldwide get their apps discovered.
Healthcare
Social Impact
PEM Diary is a React Native mobile app designed to help individuals with ME/CFS track and document PEM episodes. Built from personal experience, this app serves as a handy tool to understand your condition
Scalable, secure cloud infrastructure across AWS, Azure, and Google Cloud. We architect and maintain robust digital infrastructure that supports your business operations, ensuring reliability and performance.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Education
FinTech
How Add Jam partnered with Educational Intelligence to create Money Matters, a digital platform addressing the UK's financial literacy crisis where 12.9 million adults struggle with money management.
Travel
Come Back Soon Tracker was a service that helped Center Parcs guests save money by monitoring booking prices. The service helped holiday makers save hundreds of pounds before being discontinued in 2025.
We know first hand how challenging it can be to start and launch a new software product (wether that be as a new business or within an existing business). You can Leverage our experience to help you navigate the early stages of your project.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Education
FinTech
How Add Jam partnered with Educational Intelligence to create Money Matters, a digital platform addressing the UK's financial literacy crisis where 12.9 million adults struggle with money management.
Health
Education
CareFit is a research project with the University of Strathclyde aiming to support as many caregivers as possible with their health and wellbeing.
Comprehensive technical audits and code reviews for Rails, React Native, and iOS applications. Our expert team provides actionable insights and recommendations to improve code quality, performance, and maintainability.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Mobility
Electric Vehicles
Urban Fox is a UK EV chargepoint operator offering a range of near home & car park charging solutions to make the transition to EVs accessible for all.
Community
Social Media
Community Lab is a free innovation and collaboration platform for ecosystem builders. A feature rich web app with posts, events, chat, notifications and activity feeds.
Data-driven App Store Optimization to increase visibility and downloads. Our ASO experts help optimize your app's store presence across both App Store and Google Play, driving sustainable growth and revenue.
Marketing
Developer Tools
We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. What started as an afternoon project has evolved into a suite of free ASO tools helping app creators worldwide get their apps discovered.
Productivity
Attachment Bot was a desktop app that automated finding, saving, and organizing email attachments.
Tourism
Mobility
Our app to discover Glasgow's beautiful parks with ease. Available on iOS and Android and translated into multiple languages. Offline with rich media content.
Comprehensive support and maintenance for Rails, React Native, and iOS applications. Keep your digital products running smoothly with our expert ongoing maintenance and support services.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Mobility
Electric Vehicles
Urban Fox is a UK EV chargepoint operator offering a range of near home & car park charging solutions to make the transition to EVs accessible for all.
Community
Social Media
Community Lab is a free innovation and collaboration platform for ecosystem builders. A feature rich web app with posts, events, chat, notifications and activity feeds.
Expert Ruby on Rails development and consulting. From new applications to legacy upgrades, our decade of Rails expertise helps businesses build and scale robust web applications. Specialising in Rails upgrades, code reviews, and ongoing maintenance.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Education
FinTech
How Add Jam partnered with Educational Intelligence to create Money Matters, a digital platform addressing the UK's financial literacy crisis where 12.9 million adults struggle with money management.
Travel
Come Back Soon Tracker was a service that helped Center Parcs guests save money by monitoring booking prices. The service helped holiday makers save hundreds of pounds before being discontinued in 2025.
Add Jam build and deploy IoT solutions that scale. If you need tools to connect and manage your hardware devices and data Add Jam can deliver software solutions. We've collaborated with external industrial studios, electrical engineers and firmware engineers to create breakthrough IoT products.
Mobility
Electric Vehicles
Urban Fox is a UK EV chargepoint operator offering a range of near home & car park charging solutions to make the transition to EVs accessible for all.
Education
Innovative, electronically programmable experiential learning activity. React Native app that interacts with a BLE peripheral on iOS and Android.
Leverage the power of AI to automate processes, gain insights, and improve your products. We can help you with machine learning, computer vision, and more.
Mobility
Electric Vehicles
Urban Fox is a UK EV chargepoint operator offering a range of near home & car park charging solutions to make the transition to EVs accessible for all.
Tourism
Mobility
Our app to discover Glasgow's beautiful parks with ease. Available on iOS and Android and translated into multiple languages. Offline with rich media content.
Community
Social Media
Community Lab is a free innovation and collaboration platform for ecosystem builders. A feature rich web app with posts, events, chat, notifications and activity feeds.
Add Jam offers experienced Fractional CTO services. Add technical leadership without the full-time commitment or cost of a full-time CTO. Our UK-based Fractional CTO service provides startups with strategic technical leadership.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Education
FinTech
How Add Jam partnered with Educational Intelligence to create Money Matters, a digital platform addressing the UK's financial literacy crisis where 12.9 million adults struggle with money management.
Education
Run online training for remote teams that works. Platform allowing L&D departments to run remote training sessions with lasting impact.
As one of Scotland's most experienced React Native teams, we've been building and scaling React Native apps since 2015. We create beautiful, performant mobile applications that work seamlessly across iOS and Android.
Health
Wellbeing
A mobile app that helps people track intrusive thoughts about food. Log the moment, rate the intensity and start spotting patterns. Built with iOS widgets, Apple Watch and Wear OS for logging when it matters most.
Health
Wellbeing
Most people know how to eat well. The hard part is staying mindful of it day after day. Weight Habits keeps the awareness going with the smallest possible daily commitment.
Healthcare
Social Impact
PEM Diary is a React Native mobile app designed to help individuals with ME/CFS track and document PEM episodes. Built from personal experience, this app serves as a handy tool to understand your condition
Transform your web presence with modern React applications built by our expert team. We specialize in creating fast, responsive, and maintainable React applications that deliver exceptional user experiences and drive business growth.
Cybersecurity
Enterprise
A desktop application that automates Cyber Essentials Plus device auditing. Built from our own certification experience because manually checking 50 security settings across every machine is nobody's idea of a good time.
Fintech
Education
With Jack offers peace of mind and protection for UK freelance creatives and SMEs. Friendly, personable and reliable insurance.
Marketing
Developer Tools
We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. What started as an afternoon project has evolved into a suite of free ASO tools helping app creators worldwide get their apps discovered.
April 16, 2026 by Michael Hayes
LLMs happily ship code riddled with magic numbers, duplication and tangled coupling. Does it still matter in 2026? Yes, and here's why.
Add Jam is your plug in team of web and mobile developers, designers and product managers. We work with you to create, ship and scale digital products that people use and love.