A MacBook with code on the screen.

Expert software development services

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.

Mobile app development

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.

PEM Diary - ME/CFS Crash Log

Healthcare

Social Impact

PEM Diary - ME/CFS Crash Log

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

One Walk A Day

Health

Fitness

One Walk A Day

During lockdown we rapidly prototyped a health and wellbeing app using React Native then expanded on the concept and redeveloped using SwiftUI

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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.

Website and web app development

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.

Simple ASO Keyword Tool

Marketing

Developer Tools

Simple ASO Keyword Tool

We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. Created in an afternoon, it's now helping app creators worldwide get their apps discovered.

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

Great Glasgow Coffee Run

Fitness

Community

Great Glasgow Coffee Run

Celebrating Glasgow's vibrant coffee culture and running community through an interactive digital experience that maps out the perfect coffee-fuelled running route through the city.

Product design & marketing

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.

Simple ASO Keyword Tool

Marketing

Developer Tools

Simple ASO Keyword Tool

We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. Created in an afternoon, it's now helping app creators worldwide get their apps discovered.

PEM Diary - ME/CFS Crash Log

Healthcare

Social Impact

PEM Diary - ME/CFS Crash Log

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

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

Cloud infrastructure and DevOps

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.

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

Come Back Soon Tracker

Travel

Come Back Soon Tracker

Save money at Center Parcs with Come Back Soon Tracker. Get alerts if the price of a booking decreases and claim a refund with the Come Back Soon Price Promise.

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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.

Startup coaching

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.

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

CareFit - helping carers stay fit

Health

Education

CareFit - helping carers stay fit

CareFit is a research project with the University of Strathclyde aiming to support as many caregivers as possible with their health and wellbeing.

Community Lab

Community

Social Media

Community Lab

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.

Technical reviews & technical audits

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.

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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 Lab

Community

Social Media

Community Lab

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.

Purple Alert

Health

Community

Purple Alert

A community-driven app by Alzheimer Scotland to support people with dementia. Enables quick alerts and community searches when individuals go missing. iOS and Android.

App Store Optimization (ASO)

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.

Simple ASO Keyword Tool

Marketing

Developer Tools

Simple ASO Keyword Tool

We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. Created in an afternoon, it's now helping app creators worldwide get their apps discovered.

Attachment Bot

Productivity

Email

Attachment Bot

Attachment Bot was a desktop app that automated finding, saving, and organizing email attachments.

Glasgow Park Walk

Tourism

Mobility

Glasgow Park Walk

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.

Support and maintenance

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.

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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 Lab

Community

Social Media

Community Lab

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.

Purple Alert

Health

Community

Purple Alert

A community-driven app by Alzheimer Scotland to support people with dementia. Enables quick alerts and community searches when individuals go missing. iOS and Android.

Ruby on Rails Development

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.

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

Come Back Soon Tracker

Travel

Come Back Soon Tracker

Save money at Center Parcs with Come Back Soon Tracker. Get alerts if the price of a booking decreases and claim a refund with the Come Back Soon Price Promise.

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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.

IoT Software Development

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.

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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.

Electric Maze

Education

Electric Maze

Innovative, electronically programmable experiential learning activity. React Native app that interacts with a BLE peripheral on iOS and Android.

AI Integrations and Development

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.

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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.

Glasgow Park Walk

Tourism

Mobility

Glasgow Park Walk

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 Lab

Community

Social Media

Community Lab

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.

Fractional CTO Services

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.

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

Experiential Learning Tools

Education

Experiential Learning Tools

Run online training for remote teams that works. Platform allowing L&D departments to run remote training sessions with lasting impact.

CareFit - helping carers stay fit

Health

Education

CareFit - helping carers stay fit

CareFit is a research project with the University of Strathclyde aiming to support as many caregivers as possible with their health and wellbeing.

React Native Development

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.

PEM Diary - ME/CFS Crash Log

Healthcare

Social Impact

PEM Diary - ME/CFS Crash Log

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

Urban Fox - near home EV charging

Mobility

Electric Vehicles

Urban Fox - near home EV charging

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.

Glasgow Park Walk

Tourism

Mobility

Glasgow Park Walk

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.

React Development

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.

Simple ASO Keyword Tool

Marketing

Developer Tools

Simple ASO Keyword Tool

We built a free, no-nonsense App Store Optimization tool that helps developers avoid common keyword mistakes and boost their app's visibility. Created in an afternoon, it's now helping app creators worldwide get their apps discovered.

Educational Intelligence: Money Matters

Education

FinTech

Educational Intelligence: Money Matters

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.

Great Glasgow Coffee Run

Fitness

Community

Great Glasgow Coffee Run

Celebrating Glasgow's vibrant coffee culture and running community through an interactive digital experience that maps out the perfect coffee-fuelled running route through the city.

How to Choose a Fractional CTO for a Startup
Latest post from the Add Jam blog
How to Choose a Fractional CTO for a Startup

April 15th 2025 by Michael Hayes

Looking for a part-time technical leader? Learn how to find, evaluate, and work with a fractional CTO to guide your startup's technology strategy without breaking the bank.

We take products from an idea to revenue

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.

Hello, let's chat 👋