Mobile Apps 2026 Fitness

Fitness App Hit 490K Downloads With 62% D30 Retention

AI-adaptive workout plans and social challenges kept 62% of users active after 30 days.

Client: RepRange Fitness

490K
Downloads
19% → 62%
30-day retention
4.9★
Rating
Fitness App Hit 490K Downloads With 62% D30 Retention

The Challenge

RepRange's MVP was a static PDF-style workout library with 19% 30-day retention. Users churned once initial motivation faded, and the app had never cracked a 4.0 rating.

Our Solution

We rebuilt the app in React Native with adaptive workout generation driven by recovery and performance data, streak-based social challenges, and Apple Watch plus Wear OS companions. HealthKit and Google Fit sync personalized weekly plans without manual input.

The Results

The relaunched app hit 490K downloads in ten months with a 4.9★ rating. Day-30 retention climbed from 19% to 62%, and paid conversion doubled to 11%.

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