Jern
iOS app by ALEKSANDER DITLEFSEN MACKEE. Health & Fitness · ALEKSANDER DITLEFSEN MACKEE
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-10
View the original store listing
Store description excerpt
Jern is a fast, no-nonsense workout tracker for lifters who want to log sets, track progress, and get out of the gym. - Build routines and start a workout in one tap - Log weight and reps per set, with built-in rest timers - See your estimated 1RM and volume trends per exercise - Attach a photo to any exercise for form reference - Optional AI coaching tips in the Coach tab (bring your own Gemini API key) - Optional Oura integration for recovery-aware coaching No account required. No ads. No tracking. Your training data stays on your device.
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