Marble is a private workout journal built for fast logging, focused training, and clear progress.
Record weights, reps, distance, time, RPE, rest, notes, bodyweight, and supplements without an account, ads, or tracking. Your core data stays on your iPhone or iPad.
ADD A WORKOUT IN YOUR OWN WORDS
- Paste or type natural language, gym notation, multi-day Notes, or a Hevy or Strong CSV
- Let Apple Intelligence structure prose on device when available
- Review every workout, exercise match, set, date, RPE, rest, and note before saving
- Keep working with deterministic on-device parsing for notation and file imports
LOG WITHOUT LOSING YOUR FLOW
- Repeat your last set or use Save + Next for quick logging
- See personal-record targets while you enter a set
- Start and finish focused workout sessions
- Build weekly splits and reusable sprint prescriptions
- Track rest with an in-app timer, Live Activity, Dynamic Island, and rest-complete alert
UNDERSTAND YOUR PROGRESS
- See weekly goals, estimated 1RM, personal records, and training consistency
- Review Daily Highlights: a private evening recap of truthful same-day progress
- Track bodyweight manually or import it from Apple Health, and correct a weigh-in if a number was wrong
- Compare strength relative to bodyweight with a per-lift DOTS score
- Explore muscle-group, rep-range, effort, supplement, and calendar views
REACH MARBLE FROM iOS
- Add the Weekly Goal widget to your Home Screen or Lock Screen
- Log a set, repeat your last set, and start or finish workouts with Siri and Shortcuts
- Find exercises through Spotlight
- Open quick logging from Control Center, the Lock Screen, or the Action button
BRING IN MORE WORKOUTS
- Import Apple Health and Apple Watch workouts
- Bring Garmin workouts through Apple Health
- Scan handwritten workouts with on-device text recognition and review before saving
- Optionally send completed strength sessions to Apple Health
YOUR DATA STAYS YOURS
- Export and restore a portable JSON backup of your persisted training data
- Progress photos and videos remain on your device and are not included in backup files
- No account, Marble server, advertising, or third-party tracking
Just your training, clearly recorded and clearly understood.
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