TFNTG
True Function Ninja Training Ground Health & Fitness iPhoneiPadiPod touch
TFNTG is a free Health & Fitness app for iPhone and iPad by True Function Ninja Training Ground. Requires iOS 15.6. Updated July 30, 2026.
- Price
- Free
- on the App Store
- Size
- 32 MB
- Age 4+
- Updated
- Jul 30
- 2026 · v9.0.1
Screenshots
About TFNTG
Download the TFNTG app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit https://tfntg.com/ to learn more
What’s new
Version 9.0.1 · Updated July 30, 2026
Quicker bookings, frictionless login, and powerful branding - this update has it all. You can book your favorite class 33% faster than before with the new quick-booking feature. Even logging into the app is faster with support for biometric login using a fingerprint or a face scan. Do it all fully immersed in your studio’s brand. We've made some minor bug fixes and user experience improvements.
App privacy
The developer, True Function Ninja Training Ground, 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:
- Contact Info: Email Address, Name, Phone Number
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:
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Analytics, App Functionality
Alternatives to TFNTG
Looking for apps like TFNTG? Here are 6 similar apps on the App Store. The highest rated is Sonovi (5.0/5), and all 6 are free to download.
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| TFNTG | – | Free | July 30, 2026 | |
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