GYMBUM
GymBum

iPhone app

Log. Progress. No excuses.

GymBum is your gym notebook. Open the app, see today's workout and log every set with a tap. Your data stays on your phone.

Coming soon to theApp StoreContact
  • No account
  • No ads
  • Works offline
  • English and Spanish

Everything you need at the gym

And nothing that wastes your time between sets.

Know what's next

The Today screen shows your workout for this day of the week and what you've done so far.

Sets in seconds

Target weight and reps pre-filled. Adjust with − and + and check it off. Every set is saved instantly.

Double progression

Hit the top of your rep range and GymBum tells you to add weight to that set.

Rest timer

Alerts you when rest is over, even with your phone locked, with or without sound.

242 exercises

Library by muscle with photos and technique cues. Add your own.

Weight and calories

Body weight chart, BMI, reference weight and calorie estimates.

Take a look

Built for one-handed use, between sets.

Your data is yours

GymBum has no servers. Everything you log is stored only on your iPhone, and you can move it to another phone with a backup file.

Read the privacy policy →
  • We collect no data at all
  • No accounts or sign-ups
  • No ads or trackers
  • Backup to a single file

FAQ

More help on the support page →

How much does it cost?

GymBum is free.

Do I need an internet connection?

No. The whole app works offline.

Does it come with routines?

Yes: 4- and 6-day PPL, 3-day full body, 4-day upper/lower and a no-equipment home plan. You can also build your own.

How do I move my data to another phone?

In Settings → Backup, export a file and open it on the other phone from the same screen.

Get in touch

Questions, bugs or ideas for the app. I'll reply personally.