Mongo - Fitness Accountability
Show up or Pay up
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
SHOW UP OR PAY UP
Mongo makes your gym commitments stick. Book a workout, stake real money, and if you don't show up, your stake goes to charity. It's the only fitness app where your excuses have financial consequences.
HOW IT WORKS
Book your workout the day before
Choose your stake ($10-$50)
Pick which charity gets it if you skip
Show up or your money goes to charity
Miss it? Submit a video appeal to your crew
They vote. Ties go to you.
REAL CONSEQUENCES
Every other fitness app lets you bail with zero consequences. Mongo doesn't. Your money is on the line. Your crew holds you accountable. There's no "I'll start Monday" — you either show up or you pay.
VIDEO APPEALS (5+ FRIENDS)
Missed because of a legit emergency? Record a 15-second video explaining what happened. Your crew votes approve or deny within 4 hours. Democracy decides if your excuse holds up.
FEATURES
Daily workout commitments with financial stakes
Step goals verified via Apple Health (Pro)
Run tracking via Strava integration
Crew voting on video appeals
100% of stakes go directly to charity
Public donation transparency dashboard
Grace periods for traffic, emergencies
Workout history & stats
CHARITIES WE SUPPORT
Red Cross (Canada/US)
UNICEF (Canada/US)
Doctors Without Borders (Canada/US)
Every dollar you stake goes directly to the charity you choose. Mongo takes nothing. We publish donation receipts weekly so you can verify every cent.
WHO IT'S FOR
You pay for a gym membership you don't use
You need accountability, not motivation
You have workout partners who flake
You're tired of fitness apps that let you quit
You want consequences that actually matter
MONGO PRO
Unlock step goals verified through Apple Health. Set daily targets (5K, 10K, 15K steps) and put money on the line. Miss your goal? Stake goes to charity. Hit 90% or more? You're safe.
PRICING
Free: Book gym workouts, run commitments
Pro: $7.99/month or $59.99/year (unlock step goals)
Stakes: You choose ($10-$50 per workout)
Mongo doesn't profit from your stakes. 100% goes to charity when you miss. We make money only from Pro subscriptions.
INVITE YOUR CREW
The app works best with friends. Invite your workout partners, hold each other accountable, vote on appeals. Peer pressure meets financial consequences.
PRIVACY & TRANSPARENCY
We never sell your data
Donation receipts published weekly
Open-source transparency dashboard
All stakes tracked publicly by charity
THE BOTTOM LINE
You've tried motivation. You've tried habit tracking. You've tried workout apps that send you notifications you ignore.
Mongo is different. It's accountability with teeth. Show up or pay up.
Download now. Book your first workout. Put your money where your mouth is.
Terms of Use: https://getmongo.app/terms-of-use
Privacy Policy: https://getmongo.app/privacy-policy#top
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Plan your week
Mongo can now plan your whole week, not just one workout at a time.
• Set a weekly goal and choose the days that suit you. New members do this during signup, and existing members get a quick setup screen.
• See your week at a glance on Home, with your next 3 days and what's left to hit your goal.
• Get a reminder to plan the week ahead, and review how last week went.
• Change your goal, days or reminders anytime in Settings.
Fixes
• A missed workout could sometimes be counted twice. It's now counted only once.
• Step and run goals can be booked for later today, even in the evening.
• Steps after midnight no longer count toward the day before.
• After a free cancel, the message no longer says you were charged.
• Better VoiceOver support on Home.
The developer, STEPHEN CINIELLO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Financial Info
- Location
- Contact Info
- User Content
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Contacts
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- STEPHEN CINIELLO
- Size
- 69.1 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later. - Mac
Requires macOS 26.2 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.2 or later.
- iPhone
- Age Rating
9+
- 9+
- Infrequent
Contests
Contains
User-Generated Content
Health or Wellness Topics
- In-App Purchases
Yes
- Annual Pro Subscription $59.99
- Monthly Pro Subscription $7.99
- Copyright
- © 2026 Steve Ciniello