The Underground PHX
Modern Yoga LLC Health & Fitness iPhoneiPadiPod touch
The Underground PHX is a free Health & Fitness app for iPhone and iPad by Modern Yoga LLC. Rated 5.0/5 from 79 ratings. Requires iOS 16.0.
- Rating
- 5.0
- 79 ratings
- Price
- Free
- on the App Store
- Size
- 37 MB
- Age 4+
- Updated
- May 11
- 2026 · v3.62.0
Screenshots
About The Underground PHX
Unparalleled classes, dope instructors and the most funky, inspired playlists combine forces to create The Underground Method workout. Get the app & book your ride, check-in for class before you get to the studio, shop or pre-order add-ons like a water bottle & towel all from your phone! GET THE 411 > Find classes by day, time and instructor. > Buy classes quickly and ahead of time. > Explore instructors and playlists. > Get alerts for exclusive promotions and new merch drops.
Ratings & reviews
5.0
79 ratings
What’s new
Version 3.62.0 · Updated May 11, 2026
We're always working to improve your experience. This update includes bug fixes and general app maintenance. Stay tuned for future updates!
App privacy
The developer, Modern Yoga LLC, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
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: Physical Address, Email Address, Name, Phone Number, Other User Contact Info
- Financial Info: Payment Info
- Location: Precise Location
Used for: Developer’s Advertising or Marketing, 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:
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data
Used for: Analytics, App Functionality
Alternatives to The Underground PHX
Looking for apps like The Underground PHX? Here are 6 similar apps on the App Store. The highest rated is GROUNDWRK (5.0/5), and all 6 are free to download.
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GROUNDWRK
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Sweatshop On Central
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NYX Cycle + Fitness
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Body Politik
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Lumai
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BURN A Lagree Studio
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| The Underground PHX | 5.0 / 5 (79 ratings) | Free | May 11, 2026 | |
| GROUNDWRK | 5.0 / 5 (111) | Free | Feb 26, 2026 | Compare |
| Sweatshop On Central | 4.0 / 5 (4) | Free | Sep 23, 2026 | Compare |
| NYX Cycle + Fitness | 5.0 / 5 (153) | Free | Jan 25, 2024 | Compare |
| Body Politik | 4.9 / 5 (103) | Free | Apr 24, 2025 | Compare |
| Lumai | – | Free | Apr 16, 2026 | Compare |
| BURN A Lagree Studio | 5.0 / 5 (1) | Free | Mar 26, 2026 | Compare |