For athletes
Your training, your data.
Whether you train alone or with a coach, everything you log belongs to you - and stays with you no matter who you train with next.
Lower A, week 442:18
check_circleBack squat100kg × 5check_circleBack squat100kg × 5radio_button_uncheckedBack squat102.5kg × 5radio_button_uncheckedRDL80kg × 8trophy New rep PR - 102.5kg$0To track your own training, forever
800+Exercises with images and instructions
10Exercise types: reps, time, distance & more
YoursExport or delete your data anytime
Solo-first
Free to start, free to stay.
Rambo doesn't hold your history hostage. Train solo forever, or link a coach when it helps - the choice is always yours.
fitness_center Log solo
A serious logger, on you
Rest timers, RPE, supersets, warmup ramps, a plate calculator and live PR detection - everything a dedicated tracking app gives you, free.
- Ten exercise types
- Personal records across 8 PR types
- Build routines and folders your way
Lower A, week 442:18
check_circleBack squat100kg × 5check_circleBack squat100kg × 5radio_button_uncheckedBack squat102.5kg × 5radio_button_uncheckedRDL80kg × 8trophy New rep PR - 102.5kgstraighten See progress
Trends that build themselves
Body measurements, progress photos and strength curves that turn every session into a line you can watch move.
- Nine measurement sites on a figure
- Compare progress photos over time
- Strength trends per exercise
Chest104.5 cm+1.2Waist (navel)86.0 cm-2.4Hips99.5 cm-0.8R. thigh61.0 cm+0.9event_repeat every 2 weeks
When you're ready
Add a coach without starting over
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Keep your member ID
Hand it to a coach and they add you - your whole history comes along.
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Nothing links until you accept
Invites and links are opt-in. You're never auto-added to anyone.
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Switch or go solo again
Change coaches or leave - your data stays yours the whole time.