AvaMate – digital health application for teenagers

An avatar that accompanies teenagers on their way to better health.

AvaMate is a DiGA (one of Germany's digital health applications – 'apps on prescription') that provides scientifically grounded support to teenagers with obesity aged 13 to 18. Concept, design and development – delivered as a native app for iOS and Android built with Flutter – all came from us.

Flutter iOS & Android DiGA UX/UI design
100%concept, design & development from a single source
12weeks of scientifically supervised programme
2platforms from one Flutter codebase
13–18years old: the app's target group
Project impression
The starting point

Building healthy habits without lecturing.

Obesity in adolescence is a sensitive topic. An app that accompanies teenagers has to motivate rather than lecture, show progress rather than demand perfection – and stand on a scientifically sound foundation developed together with medical professionals.

The requirement: a digital companion that takes activity, nutrition, mood and sleep into account and turns them into individual, age-appropriate prompts – as a certified medical device under the DiGAV, Germany's Digital Health Applications Ordinance.

Project impression
Our solution

A personal avatar instead of calorie counting.

We developed AvaMate end to end, from concept to store release: a personal avatar accompanies users every day, a scientifically developed decision tree delivers individual tips, and a reward system with coins and unlockable avatars turns twelve weeks of support into a programme that is fun instead of building up pressure.

Built with Flutter for a shared codebase on iOS and Android – including a GDPR-compliant architecture and preparation for the listing procedure at the German Federal Institute for Drugs and Medical Devices (BfArM).

What we delivered

The project in detail.

Concept & UX

Design tailored to a teenage audience: motivating instead of lecturing, with avatar companionship instead of rigid tracking.

Flutter development

Native delivery for iOS and Android from a single codebase – performant and maintainable.

DiGA compliance

Developed as a medical device under the DiGAV, with data protection and information security evidence.

Gamification

A coin system, unlockable avatars and weekly reviews that keep motivation up across twelve weeks.

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