← Back to apps 
EVOLUM
The meditation app that competes with Calm — without their €100M budget
Co-founder & CTO — Passive income
€30k€
MRR
11k+ avis
7 years
Live
zero refactor
4.8★
Rating
11k+ reviews
28% conversion vs 12% industry
€500/month server costs for €70k in passive revenue
The Story
Calm has a €100M budget. I found the angle they missed: hyper-personalized AI rituals that adapt daily to your mood and goals.
The pivot that changed everything: AI generates unique sessions (meditation, yoga, music) instead of generic content.
Result: 28% conversion (vs 12% industry), 92% crash-free, and €500/month costs (server + GenAI) for €30k passive revenue.
7 years running. Zero refactoring. Solid foundations create consistent passive income.
Tech Stack
Flutter Firebase OpenAI Make.com Clean Architecture
Want the same for your idea?
Apps that run passively. Mastered publishing process. Code that generates cash.
Talk about my MVP→