marble 2.4 · available now
Log fast. Train with focus. Understand your progress, privately and on your device.
Free · Offline · Private
New in Marble 2.4
Paste or type a workout in your own words, gym notation, multi-day Notes, or a Hevy or Strong CSV. Review the structured sets, then save. Time sprints to the tenth. Edit or delete a weigh-in when the number was wrong. Still quiet, fast, and private.
Add
Add is now an AI-first workout composer. Paste or type natural language, gym notation, multi-day Notes, or a Hevy or Strong CSV. Apple Intelligence structures prose on device when available; a deterministic parser handles notation and provides the fallback. Review every workout, exercise match, set, date, RPE, rest, and note before anything is saved. Drafts survive tab switches and relaunches, and Shortcuts can hand text directly to Add.
Sprint training
Build reusable sprint plans — more than one per exercise — with exact distances, repetitions, and target times. Enter decimal seconds or use the built-in stopwatch, then see every rep, goal hit, best time, and average in one clear finish.
From Marble 2.4
Real screens with sample training data. Switch the site theme to see Marble in light or dark mode.
Marble 2.4 is available now. Parsing and review stay on-device. Marble remains local-first: no account, no ads, no Marble server, and no third-party tracking.
Three ideas, done carefully: fast logging, honest analysis, and consistency that survives real life.
Log
Weight, reps, RPE, rest — captured before the plates stop spinning. marble remembers your last set so repeating it is one tap, and a rest timer waits in the Dynamic Island.
Trends
Every chart is computed from your logged sets, on your iPhone. No wearable scores, no black boxes — just an honest read on whether each lift is moving.
Consistency
Set a weekly goal and build a streak that bends without breaking. Hit four weeks in a row and marble banks a flex week that absorbs a miss — comebacks are celebrated, not shamed.
Native iPhone surfaces
See your weekly goal on the Home Screen or Lock Screen. Open quick logging from Control Center, the Lock Screen, or the Action button. Rest stays visible in the Dynamic Island, with controls to add 30 seconds or end early.
Body and relative strength
Log bodyweight manually or bring it in through Apple Health. Follow the trend over time, then see each lift’s estimated strength scaled against a nearby weigh-in with a per-lift DOTS score.
Daily Highlights
In the evening, Daily Highlights turns that day’s training into a quiet recap. It surfaces truthful wins, including real records, faster runs, meaningful lift progress, or simply the work completed. Choose when it appears. Everything stays on your device.
Real screens, thoughtful sample workouts, and exercise-matched emoji icons — from focused sessions to private backups.
Optionally imports Apple Watch and Garmin workouts through Health.
Sends sessions back to Health with your effort score.
Creatine, protein, and other habits — one tap each.
Weekly hard sets, measured against the 10–20 set guide.
Your best weight at every rep count, per exercise.
When every set tops 8 reps at manageable effort, marble names the next load.
One quiet design, both moods.
Every feature. No subscription, nothing to unlock.
No Marble account, ads, server, or third-party tracking. Your core training data stays on your device.
Offline core · On-device analysis · Nothing to sign up forYes. Every feature is free — there’s nothing to unlock.
Core logging, analysis, and storage work offline on your iPhone. Optional external imports use Apple Health or their connected service.
From your own logged sets. Estimated 1RM trends, PR detection, and the monthly report are all computed on your device.
Yes — both arrive through Apple Health. marble imports their workouts, and can send your strength sessions back with an effort score so they count toward Apple’s Training Load.
The app has no ads, Marble account, Marble server, or third-party tracking, and Marble does not sell your data. This website uses anonymous, aggregated Vercel Analytics.
Marble 2.4 makes adding a workout radically simpler. Add is now an AI-first workout composer: paste or type natural language, gym notation, multi-day Notes, or a Hevy or Strong CSV. Apple Intelligence structures prose on device when available; a deterministic parser handles notation and provides the fallback. Review every workout, exercise match, set, date, RPE, rest, and note before anything is saved. Drafts survive tab switches and relaunches, and Shortcuts can hand text directly to Add. Strong and Hevy imports are more accurate, and weak exercise-name matches default to a new exercise instead of silently merging. Train, Log, and Progress, tenths-precision sprints, and editable weigh-ins are already live. Parsing and review stay on-device. Marble 2.4 requires iOS 26.