Mongo - Fitness Accountability
STEPHEN CINIELLO Health & Fitness iPhoneiPadiPod touch
Mongo - Fitness Accountability is a free Health & Fitness app for iPhone and iPad by STEPHEN CINIELLO. Requires iOS 26.2. Updated October 2, 2026.
- Price
- Free
- on the App Store
- Size
- 65 MB
- Age 4+
- Updated
- Oct 2
- 2026 · v2.1
Screenshots
About Mongo - Fitness Accountability
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
What’s new
Version 2.1 · Updated October 2, 2026
UI improvements and bug fixes
App privacy
The developer, STEPHEN CINIELLO, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Health, Fitness
- Financial Info: Payment Info
- Location: Coarse Location
- Contact Info: Email Address, Name
- User Content: Photos or Videos
Used for: Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Contact Info: Phone Number
- Contacts: Contacts
Used for: App Functionality
Alternatives to Mongo - Fitness Accountability
Looking for apps like Mongo - Fitness Accountability? Here are 6 similar apps on the App Store. The highest rated is Workout Pledge (5.0/5), and all 6 are free to download.
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Muscle Guard
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Workout Pledge
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Lume: The GLP-1 Companion
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Turnip: Accountability Partner
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On Dose: Medication Reminders
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Mongo - Fitness Accountability | – | Free | October 2, 2026 | |
| Muscle Guard | – | Free | May 22, 2026 | Compare |
| GymBets | 1.0 / 5 (1) | Free | Feb 1, 2026 | Compare |
| Workout Pledge | 5.0 / 5 (2) | Free | Sep 28, 2026 | Compare |
| Lume: The GLP-1 Companion | – | Free | Aug 6, 2026 | Compare |
| Turnip: Accountability Partner | – | Free | Jan 13, 2026 | Compare |
| On Dose: Medication Reminders | 5.0 / 5 (4) | Free | Sep 8, 2026 | Compare |