Strength training app
Trust the
progress.
The workout logger that starts with your muscles.
Tap a muscle to find its exercises, then log every set fast. BLACKBONE turns your training into progress you can see.
- Exercises by muscle
- Fast set logger
- Recovery & progress
See it in action · real app, real workout
Log a set
in seconds.
Tap the weight, tap the reps, tick it off. The rest timer starts on its own, PRs show up the moment you set them, and the summary is waiting when you finish.
- Last session's numbers on every set
- Supersets and circuits, with rest after the round
- Logs offline and syncs when you are back
Try it · Live body map
Tap a muscle.
The same map you get in the app. Pick a muscle, then filter by the kit you have.
Selected
Chest
200 exercises in the app
- 01Barbell Bench PressChest · Barbell
- 02Dumbbell Hex PressChest · Dumbbell
- 03Cable Bench Fly PressChest · Cable
- 04Chest Dip MachineChest · Machine
- 05Normal Push-UpChest · Bodyweight
- 06Barbell Spoto PressChest · Barbell
- 07Dumbbell Bench PressChest · Dumbbell
- 08Cable Cross-over VariationChest · Cable
A few of 2,189 exercises, each with a demo in the app.
How it works
How it works
Tap a muscleFREE
Front or back. Tap the muscle you want to train and its exercises are right there.
Built for the gym floor.
A logger that keeps up
Big number pad, last session's numbers on every set, and a rest timer that starts itself.
- Plate calculator and warm-up sets
- Supersets and circuits
- Track by weight, reps or time
A demo for every move
Looping demos, muscles worked and how-to steps.
Programs and a workout generator
Follow a plan week by week, or get a session built for your time and gear.
Sets per muscle
The volume map shades every muscle by its hard sets over the last 7 or 30 days.
Interval timer and mobility
Voice cues for work and rest, plus guided mobility routines for warm-ups and rest days.
Tools
The math, done.
Calculators and trackers that know your lifts, in the same app you log in.
Plate calculator
Which plates go on each side, for any bar, in kg or lb.
Warm-up sets
Warm-up sets worked out from your working weight.
1RM calculator
Weight and reps in, your estimated max out, with a percentage table.
No ads.
Ever.
Your workouts, measurements and progress photos are yours. Our team can’t see them.
We never sell your data.
Delete your account any time, in the app or on this site.
Free & Pro
Free to start.
The body map, the full exercise library and the logger are free. Pro adds the deeper tools.
Pro pricing will be announced at launch.
| Feature | Free | Pro |
|---|---|---|
| Saved workouts | 5 saved | |
| Progress chart history | Last 30 days | |
| Workout generator | ||
| Training programs | ||
| Program builder | ||
| Recovery map | ||
| Muscle volume map | ||
| Strength levels | ||
| Progress photo compare | ||
| Mobility routines | 3 routines | |
| Custom mobility routines | ||
| Share card styles | 2 styles | |
| Focused sessions |
Coaching
Coaching opens when the app does. Join the waitlist to hear the day it opens.
Verified coaches,
in the app.
Train with a coach
Find a verified coach in the app and train from the plan they build for you. Joining is free.
How coaching worksCoach on BLACKBONE
Your clients, programs and their logs in one place. Plans for 5, 15 or 30 clients.
Become a coachEvery coach's certification is checked by our team before they can coach here.
Questions
Is BLACKBONE free?
Yes. The body map, the exercise library and the workout logger are free. Pro is an optional upgrade with the deeper tools listed above.
Does it work without internet?
Yes. Workouts save on your phone first and sync to your account when you are back online.
Which phones does it run on?
Android first: the app is in testing on Google Play now, and the iPhone app follows. Join the waitlist to hear the day it opens.
Do I need Pro to train with a coach?
No. Joining a coach is free. Your coach pays for their own coach plan, and every coach’s certification is checked by our team first.
What can my coach see?
Your workouts and PRs. Body stats, progress photos and notes only if you turn them on, and you can change that any time.
Can I use pounds?
Yes. Pick kg or lb in the settings and the whole app follows.
Who can see my workouts and photos?
Only you. Our team can’t see your logs, measurements or progress photos, and we never sell your data.
How do I delete my account?
In the app: Profile, then Account & Security, then Delete account. You can also ask on the account deletion page.
