Creating powerful apps that change lives

Mobile App Development

We develop high-quality mobile apps using Flutter and React Native, designed to engage your users and support your business goals. From launching new products to optimizing existing apps, we’re dedicated to creating mobile experiences that deliver real impact for B2C and B2B customers.

Contact us
Contact us
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Mobile apps that engage, convert and grow

cross platform icon

Cross-platform excellence

Develop once, deploy everywhere. Our expertise in Flutter and React Native allows us to build high-performance apps for iOS and Android and web with a single, efficient codebase.

user centricity mobile icon

User-centric design 

We prioritize sleek, intuitive interfaces to ensure an engaging and frictionless user experience for everyone.

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Reliable & secure solutions

From robust security measures to long-term scalability, we create mobile apps that grow with your business while keeping data safe.

How we build mobile apps, the ACA way

We believe in working closely with you, from start to finish. To make sure your mobile app not only works, but truly adds value. Our process is flexible, focused on collaboration and driven by feedback. Here’s what our mobile development process looks like:

1️⃣ Discovery & strategy

We start by diving into your world: your business goals, your users and the tech context. Together, we define a mobile strategy that makes sense.

2️⃣ Design & prototyping

We turn ideas into clickable prototypes fast. Think user journeys, wireframes and interactive designs which can be tested early, so we build the right thing.

3️⃣ Development

From front-end to back-end, we develop robust mobile apps with clean architecture and smooth integrations. You can expect quality code and solid performance.

4️⃣ Testing & QA

Time to test the product! We will test for security, performance and usability.

5️⃣ Deployment & optimization

Ready to launch! After everyone is happy, it's time to add the new app on the App Store and Google Play. Our journey together doesn't end here, we will give ongoing support and updates. 🚀

Composable apps visual
Mobile Solution

Composable apps

Build complex, business-critical mobile apps and multi-app platforms with high maintainability and adaptability

Innovation and adaptability are key to staying ahead. That's where composable apps come in. They are reshaping how we build mobile applications and multi-app platforms.

Discover how composable apps empower us to create complex, business-critical solutions with unmatched maintainability and adaptability.

More about Composable Apps
More about Composable Apps

 📲 Innovative projects, happy customers

Mijn Stadsapp: +20 municipalities in 1 mobile app
Smart Region Limburg (s-Lim), a collaboration of local governments, needed to reduce fragmentation in municipal communication and services across multiple municipalities. ACA Group developed Mijn Stadsapp, a cross-platform mobile application built with React Native that integrates data from various sources such as municipal websites, event platforms, and utility services. This solution centralizes local information and services in one app, improving citizen engagement and accessibility, and achieved rapid adoption with over 20,000 downloads in the first month.
Read more
mijn-stadsapp-bg-landscape
mijn-stadsapp-bg-landscape
1717581376-s-lim-logo-transparant
Mijn Stadsapp: +20 municipalities in 1 mobile app
Smart Region Limburg (s-Lim), a collaboration of local governments, needed to reduce fragmentation in municipal communication and services across multiple municipalities. ACA Group developed Mijn Stadsapp, a cross-platform mobile application built with React Native that integrates data from various sources such as municipal websites, event platforms, and utility services. This solution centralizes local information and services in one app, improving citizen engagement and accessibility, and achieved rapid adoption with over 20,000 downloads in the first month.
Read more
mijn-stadsapp-bg-landscape
mijn-stadsapp-bg-landscape
1717581376-s-lim-logo-transparant
New branding, app and website for Ecofix in record time
Ecofix, a Belgian energy start-up, needed a complete digital platform to support its launch and offer transparent dynamic energy pricing. ACA Group delivered end-to-end digital product development, including branding, a mobile app, and a website, using Flutter for cross-platform development and Microsoft Azure Cloud for scalability and security. Delivered within weeks, this solution enabled rapid time-to-market, provided customers with real-time energy insights, and established a scalable digital foundation for Ecofix’s growth.
Read more
Ecofix
Ecofix
ecofix
New branding, app and website for Ecofix in record time
Ecofix, a Belgian energy start-up, needed a complete digital platform to support its launch and offer transparent dynamic energy pricing. ACA Group delivered end-to-end digital product development, including branding, a mobile app, and a website, using Flutter for cross-platform development and Microsoft Azure Cloud for scalability and security. Delivered within weeks, this solution enabled rapid time-to-market, provided customers with real-time energy insights, and established a scalable digital foundation for Ecofix’s growth.
Read more
Ecofix
Ecofix
ecofix
App, website and portal for start-up in record time. Ecofix’s launch: powered by ACA Group

Ecofix Gas & Power, an energy provider in the Belgian energy market, needed a strong brand identity and a digital solution to support its market entry. The challenge was to deliver both within a limited timeframe while enabling customers to manage their energy consumption. A brand identity and mobile app were developed to provide customer control over usage. This resulted in a fast go-to-market and improved customer engagement and self-service.

Read more
woman charging car at home-ecofix
woman charging car at home-ecofix
ecofix logo
App, website and portal for start-up in record time. Ecofix’s launch: powered by ACA Group

Ecofix Gas & Power, an energy provider in the Belgian energy market, needed a strong brand identity and a digital solution to support its market entry. The challenge was to deliver both within a limited timeframe while enabling customers to manage their energy consumption. A brand identity and mobile app were developed to provide customer control over usage. This resulted in a fast go-to-market and improved customer engagement and self-service.

Read more
woman charging car at home-ecofix
woman charging car at home-ecofix
ecofix logo
Innovative student app optimizes communication flow in Artevelde University of Applied Sciences

Artevelde University of Applied Sciences, a higher education institution, struggled with fragmented communication across multiple platforms for over 15,000 students and 1,300 staff members. The challenge was to centralize information and improve the student experience. In partnership with ACA Group, a mobile app was developed to streamline communication, featuring personalized dashboards and real-time updates. This resulted in improved information access, higher engagement, and a more connected campus experience.

Read more
artevelde students
artevelde students
arteveldehogeschool
Innovative student app optimizes communication flow in Artevelde University of Applied Sciences

Artevelde University of Applied Sciences, a higher education institution, struggled with fragmented communication across multiple platforms for over 15,000 students and 1,300 staff members. The challenge was to centralize information and improve the student experience. In partnership with ACA Group, a mobile app was developed to streamline communication, featuring personalized dashboards and real-time updates. This resulted in improved information access, higher engagement, and a more connected campus experience.

Read more
artevelde students
artevelde students
arteveldehogeschool
Growth in conversions and visitors thanks to new mobile app for Immovlan

Immovlan, a leading real estate platform in the property technology sector, needed to replace an outdated mobile app that limited performance and user engagement. ACA Group developed a high-performance mobile app using Flutter, focusing on usability and conversion optimization. This mobile solution increases user engagement, drives higher traffic, and improves conversion rates, supporting Immovlan’s digital growth and customer acquisition strategy.

Read more
Couple receiving key of their new house
Couple receiving key of their new house
logo immovlan
Growth in conversions and visitors thanks to new mobile app for Immovlan

Immovlan, a leading real estate platform in the property technology sector, needed to replace an outdated mobile app that limited performance and user engagement. ACA Group developed a high-performance mobile app using Flutter, focusing on usability and conversion optimization. This mobile solution increases user engagement, drives higher traffic, and improves conversion rates, supporting Immovlan’s digital growth and customer acquisition strategy.

Read more
Couple receiving key of their new house
Couple receiving key of their new house
logo immovlan
User-friendly and accessible mobile app for De Lijn

De Lijn, a public transport operator in the mobility sector, needed an accessible and intuitive mobile app that supports all travelers, including visually impaired users. ACA Group redesigned the mobile application with improved navigation, real-time transit information, and a crowd barometer feature. This digital solution enhances accessibility, improves user experience, and enables more reliable and informed use of public transportation services.

 

Read more
woman getting on bus
woman getting on bus
De_Lijn_logo
User-friendly and accessible mobile app for De Lijn

De Lijn, a public transport operator in the mobility sector, needed an accessible and intuitive mobile app that supports all travelers, including visually impaired users. ACA Group redesigned the mobile application with improved navigation, real-time transit information, and a crowd barometer feature. This digital solution enhances accessibility, improves user experience, and enables more reliable and informed use of public transportation services.

 

Read more
woman getting on bus
woman getting on bus
De_Lijn_logo
Mijn Stadsapp: +20 municipalities in 1 mobile app
Smart Region Limburg (s-Lim), a collaboration of local governments, needed to reduce fragmentation in municipal communication and services across multiple municipalities. ACA Group developed Mijn Stadsapp, a cross-platform mobile application built with React Native that integrates data from various sources such as municipal websites, event platforms, and utility services. This solution centralizes local information and services in one app, improving citizen engagement and accessibility, and achieved rapid adoption with over 20,000 downloads in the first month.
Read more
mijn-stadsapp-bg-landscape
mijn-stadsapp-bg-landscape
1717581376-s-lim-logo-transparant
Mijn Stadsapp: +20 municipalities in 1 mobile app
Smart Region Limburg (s-Lim), a collaboration of local governments, needed to reduce fragmentation in municipal communication and services across multiple municipalities. ACA Group developed Mijn Stadsapp, a cross-platform mobile application built with React Native that integrates data from various sources such as municipal websites, event platforms, and utility services. This solution centralizes local information and services in one app, improving citizen engagement and accessibility, and achieved rapid adoption with over 20,000 downloads in the first month.
Read more
mijn-stadsapp-bg-landscape
mijn-stadsapp-bg-landscape
1717581376-s-lim-logo-transparant
New branding, app and website for Ecofix in record time
Ecofix, a Belgian energy start-up, needed a complete digital platform to support its launch and offer transparent dynamic energy pricing. ACA Group delivered end-to-end digital product development, including branding, a mobile app, and a website, using Flutter for cross-platform development and Microsoft Azure Cloud for scalability and security. Delivered within weeks, this solution enabled rapid time-to-market, provided customers with real-time energy insights, and established a scalable digital foundation for Ecofix’s growth.
Read more
Ecofix
Ecofix
ecofix
New branding, app and website for Ecofix in record time
Ecofix, a Belgian energy start-up, needed a complete digital platform to support its launch and offer transparent dynamic energy pricing. ACA Group delivered end-to-end digital product development, including branding, a mobile app, and a website, using Flutter for cross-platform development and Microsoft Azure Cloud for scalability and security. Delivered within weeks, this solution enabled rapid time-to-market, provided customers with real-time energy insights, and established a scalable digital foundation for Ecofix’s growth.
Read more
Ecofix
Ecofix
ecofix
App, website and portal for start-up in record time. Ecofix’s launch: powered by ACA Group

Ecofix Gas & Power, an energy provider in the Belgian energy market, needed a strong brand identity and a digital solution to support its market entry. The challenge was to deliver both within a limited timeframe while enabling customers to manage their energy consumption. A brand identity and mobile app were developed to provide customer control over usage. This resulted in a fast go-to-market and improved customer engagement and self-service.

Read more
woman charging car at home-ecofix
woman charging car at home-ecofix
ecofix logo
App, website and portal for start-up in record time. Ecofix’s launch: powered by ACA Group

Ecofix Gas & Power, an energy provider in the Belgian energy market, needed a strong brand identity and a digital solution to support its market entry. The challenge was to deliver both within a limited timeframe while enabling customers to manage their energy consumption. A brand identity and mobile app were developed to provide customer control over usage. This resulted in a fast go-to-market and improved customer engagement and self-service.

Read more
woman charging car at home-ecofix
woman charging car at home-ecofix
ecofix logo
Innovative student app optimizes communication flow in Artevelde University of Applied Sciences

Artevelde University of Applied Sciences, a higher education institution, struggled with fragmented communication across multiple platforms for over 15,000 students and 1,300 staff members. The challenge was to centralize information and improve the student experience. In partnership with ACA Group, a mobile app was developed to streamline communication, featuring personalized dashboards and real-time updates. This resulted in improved information access, higher engagement, and a more connected campus experience.

Read more
artevelde students
artevelde students
arteveldehogeschool
Innovative student app optimizes communication flow in Artevelde University of Applied Sciences

Artevelde University of Applied Sciences, a higher education institution, struggled with fragmented communication across multiple platforms for over 15,000 students and 1,300 staff members. The challenge was to centralize information and improve the student experience. In partnership with ACA Group, a mobile app was developed to streamline communication, featuring personalized dashboards and real-time updates. This resulted in improved information access, higher engagement, and a more connected campus experience.

Read more
artevelde students
artevelde students
arteveldehogeschool
Growth in conversions and visitors thanks to new mobile app for Immovlan

Immovlan, a leading real estate platform in the property technology sector, needed to replace an outdated mobile app that limited performance and user engagement. ACA Group developed a high-performance mobile app using Flutter, focusing on usability and conversion optimization. This mobile solution increases user engagement, drives higher traffic, and improves conversion rates, supporting Immovlan’s digital growth and customer acquisition strategy.

Read more
Couple receiving key of their new house
Couple receiving key of their new house
logo immovlan
Growth in conversions and visitors thanks to new mobile app for Immovlan

Immovlan, a leading real estate platform in the property technology sector, needed to replace an outdated mobile app that limited performance and user engagement. ACA Group developed a high-performance mobile app using Flutter, focusing on usability and conversion optimization. This mobile solution increases user engagement, drives higher traffic, and improves conversion rates, supporting Immovlan’s digital growth and customer acquisition strategy.

Read more
Couple receiving key of their new house
Couple receiving key of their new house
logo immovlan
User-friendly and accessible mobile app for De Lijn

De Lijn, a public transport operator in the mobility sector, needed an accessible and intuitive mobile app that supports all travelers, including visually impaired users. ACA Group redesigned the mobile application with improved navigation, real-time transit information, and a crowd barometer feature. This digital solution enhances accessibility, improves user experience, and enables more reliable and informed use of public transportation services.

 

Read more
woman getting on bus
woman getting on bus
De_Lijn_logo
User-friendly and accessible mobile app for De Lijn

De Lijn, a public transport operator in the mobility sector, needed an accessible and intuitive mobile app that supports all travelers, including visually impaired users. ACA Group redesigned the mobile application with improved navigation, real-time transit information, and a crowd barometer feature. This digital solution enhances accessibility, improves user experience, and enables more reliable and informed use of public transportation services.

 

Read more
woman getting on bus
woman getting on bus
De_Lijn_logo
View all our mobile cases
View all our mobile cases

Technologies we 💙

We use Flutter and React Native, two of the most powerful cross-platform frameworks, to create high-quality mobile apps that work smoothly across iOS and Android.

flutter logo
flutter logo

Flutter

Flutter allows us to build stunning, high-performance apps in a quick and efficient way. With a single codebase, you get a smooth experience across iOS, Android and web that reduces development time and costs. Its highly customizable UI lets your brand identity shine through, while its robust performance guarantees a great user experience. If you need a visually rich app with fast iteration cycles, Flutter is the way to go.

Join the community
Join the community
react native logo white background
react native logo white background

React Native

React Native is our go-to choice for companies that need flexibility, scalability, and a strong developer ecosystem. Built by Meta, it allows us to create native-feeling apps with a shared codebase, which means faster development and lower costs. The extensive library of components and smooth integration with existing web technologies makes it perfect for companies looking to scale their digital presence.

Join the community
Join the community
Your vision, our expertise

Contact our mobile experts

Got an idea for an app? Or need a reliable partner to level up your existing mobile platform? Let’s talk! We’re always up for a coffee and conversation.

ACA mug mok koffie tas
Your vision, our expertise

Contact our mobile experts

Got an idea for an app? Or need a reliable partner to level up your existing mobile platform? Let’s talk! We’re always up for a coffee and conversation.

ACA mug mok koffie tas
Your vision, our expertise

Contact our mobile experts

Got an idea for an app? Or need a reliable partner to level up your existing mobile platform? Let’s talk! We’re always up for a coffee and conversation.

ACA mug mok koffie tas
Your vision, our expertise

Contact our mobile experts

Got an idea for an app? Or need a reliable partner to level up your existing mobile platform? Let’s talk! We’re always up for a coffee and conversation.

ACA mug mok koffie tas

Mobile insights for you

Curious about the latest in mobile tech, composable architecture or digital strategy?
Check out our blog for fresh insights from our experts.