Burn first.
Scroll later.
Belly Lock locks your evening apps until you’ve walked your steps or burned your calories. Bobo, a bouncy orange jelly buddy, is losing the belly with you.
7-day free trial · Cancel anytime
Earn your evening.
Pick a goal, pick your apps, then move. Bobo does the rest.
- Step 01
Pick a goal
Walk a number of steps, burn active calories, or finish today's Daily Belly Burn workout.
- Step 02
Pick your apps
Choose the apps Bobo guards with Apple's Screen Time picker, and the time the lock starts.
- Step 03
Move. Unlock.
The moment Apple Health shows you've hit your goal, your apps open right up, even if Belly Lock is closed.
6k–12k
Step goals
5–9 PM
Lock starts
5–12 min
Daily workouts
7 days
Free trial
The lock moment
Not yet, friend.
Open Instagram before your walk and Bobo’s there: “Bobo’s guarding Instagram. Walk 8,000 steps and it opens right up.”
- Uses Apple's Screen Time, the same system iOS uses for app limits
- Unlocks automatically from Apple Health, no button to press
- Emergency unlock is always one double-tap away
Illustrative screen.

A habit coach, not a drill sergeant.
One big idea, and a few things that help it stick.
Evening lock
Real Screen Time locking, from the time you pick until midnight.
Unlocks itself
Reads steps and active calories from Apple Health in the background. Hit your goal and your apps open.
Daily Belly Burn
A 5–12 minute guided workout every day, burners plus core, that levels up as you get fitter, with a walk day each week.
Night streak
Counts the evenings in a row you earned your apps back.
Emergency unlock
Always on the lock screen. Tap twice and your apps open for the rest of the night.
Private by design
No ads, no tracking, and your health data stays on your phone.
Free to start.
Belly Lock Plus adds the evening app lock.
Free
Bobo, Daily Belly Burn workouts, daily check-in, weight & waist tracking.
Plus, yearly
$59.99 a year (about $5 a month) with a 7-day free trial. Adds the evening app lock.
Plus, monthly
$9.99 a month. Adds the evening app lock.
Billed through your Apple ID. Renews automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel in your Apple ID settings.
Meet Bobo.
He’s a little jelly on a big mission: losing the belly. He does it with you, every day.
Let’s lose the belly together.
Coming soon to iPhone. Android is coming later.
Support · Privacy · Terms of Use
Belly Lock is made by Newron Robotics, LLC. It is a habit and fitness companion, not medical advice, diagnosis or treatment. Consult your doctor before starting a new diet or exercise program, especially if you are pregnant, have a medical condition, or take medication. No exercise targets belly fat specifically; results vary.
Apple, the Apple logo, iPhone, Apple Health and Screen Time are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.