Fit-Ai
AI-personalized training plans, with onboarding that understands the user and tracks progress.

Context
Training apps offered generic plans that users abandoned within the first weeks due to lack of personalization and sense of progress.
Goals
- Personalize training based on profile and goal
- Show progress in a motivating way
- Increase adherence over the weeks
The problem
Research
Research with beginner and intermediate practitioners to map abandonment triggers and what generates a sense of progress.
Discoveries
- ↳Visible progress is the main driver of retention
- ↳The AI needed to justify why it suggested each workout
- ↳The first workout had to fit on the same day as sign-up
Process
Discovery
Abandonment and motivation triggers.
Onboarding
Fast, conversational profile collection.
AI
Plan and explanation of recommendations.
UI
Home, workout and progress screen.
Solution · Final interface
An onboarding that turns into a workout the same day, and a progress screen that celebrates every gain.






Results & impact
Shortening onboarding and making progress tangible transformed the abandonment curve in the first weeks.
Learnings
In fitness, motivation is design. The progress screen was the feature that retained users the most.