Best fitness app in San Francisco, California.
SF hills make every run vertical. Ascend's mountain progression converts that vert into climbable meters automatically.
Why Ascend works for San Francisco climbers
- Goal-bind to a local target: Train for the SF Marathon + Mt Diablo
- Free core forever — no subscription to log lifts, cardio, water, meals
- AI coach (Claude Sonnet) reads your full log + RPE history
- Anatomy heatmap shows under-trained muscles weekly
- Mountain leagues — 30-climber weekly brackets
- Apple Health + Health Connect bidirectional sync
- No ad SDKs, no data brokers — privacy-first
Compare with the other big apps
We've benchmarked Ascend against Strong, Hevy, Fitbod, MyFitnessPal, Cronometer, MacroFactor, Strava, Whoop, and Oura on 26 capabilities. See the full comparison table.
Start climbing in San Francisco
Free core. 14-day Club trial. Works anywhere with a phone.
Join waitlistAscend Fitness is built in Auckland, NZ, and works globally on iOS + Android + web.