Steady effort,
made visible.
Capstan turns every session — lifts, runs, rounds, laps — into one clear line of progress. With a coach that actually remembers what you did last week.
Free while in beta. We'll email to confirm — then your invite when a spot opens.

Log it. Ask it. Watch it compound.
Three moves, every session. Fast enough to do between sets, honest enough to trust for a year.
Under 30 seconds
Open, enter the set, done. 5/3/1, linear progression, intervals, or freestyle — Capstan already knows the targets, so you just record what you actually did.
It knows your history
Ask anything. The coach reads your real training — maxes, recent sessions, how you're trending — and answers like it's been spotting you the whole time.
Your work draws itself
Estimated 1RM, 5k splits, a 52-week block of every session. No spreadsheets, no guessing — just the line, going up.
The real app. Not a mockup.
Dark by design, fast to log, and quietly beautiful — the maritime instrument panel for your training.



One log for the whole regimen.
Capstan ships with typed activities — each with its own targets, timers, and progression rules — plus a custom slot for whatever you invent. Hybrid athletes, this one's for you.
+ progression engine · injury mode with safe substitutions · record mode with per-set timing · plan import
Health data is not our business model.
Capstan is built on a simple rule: the most value, the least intrusion. Training and health data is treated as what it is — sensitive.
On-device by default
Your sessions live on your phone. Sync only what you choose to sync — nothing leaves without you.
Yours to take or delete
Export everything in one tap. Delete your account and it's gone — erasure cascades across every service.
Minimal by design
The coach receives only the training context it needs, never raw prompts stored for training. No ad tracking, ever.
Put your training on the record.
Early access is opening in waves. Drop your email and we'll send your invite the moment your slot is ready.
iOS & Android. Free while in beta.