Prometheas Technologies
All workHealthcare · Mobile · Data & AI · Cloud

Mirai

A mobile wellness companion that grew into a daily habit

+164%
D30 retention
2.6×
Sessions / user
12 wks
Focused program
Problem

Mirai's launch app had strong onboarding but collapsing D30 retention. The team suspected the daily check-in flow was too long, but didn't have the data pipeline to prove it or the mobile bandwidth to iterate.

Approach

Rebuilt the check-in journey with experimentation, product analytics, and an AI-assisted weekly summary that turned a week of journaling into one coaching insight. The work ran as a focused three-month product improvement program.

Outcome

D30 retention moved from 14% to 37% over two releases. The AI summary feature became the most-used weekly surface, and the team picked up the experimentation discipline to run the next iterations without us.

We came for a mobile rebuild and left with an experimentation habit. That's the part we couldn't have bought on its own.
NKNadia KoenigHead of Product, Mirai

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