The best spin app!
This is the best place to spin and the app is awesome!
Free
With Ads
About
Book fitness classes, discover instructors, and explore playlists. This app allows you to reserve your spot, check in, and even pre-order studio add-ons directly from your phone.
✓Book classes
✓Check-in for class
✓Pre-order add-ons
✓Find classes by day, time, instructor
✓Explore instructors and playlists
✓Get promotion alerts
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What's New in The Underground PHX
3.62.0
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!
User reviews
Developer apps
FAQ
Does The Underground PHX have ads?
Yes, The Underground PHX contains advertisements. This is common for free applications that offer services like class booking and studio management.
What is the rating for The Underground PHX?
The Underground PHX has an excellent rating of 5.0 stars, based on 60 user reviews. This indicates a high level of user satisfaction with the app's features and performance.
How often is The Underground PHX updated?
The latest version of The Underground PHX is 3.52.0, and it was last updated on October 7, 2025. This suggests a consistent update schedule to improve functionality and user experience.
What devices support The Underground PHX?
The Underground PHX is currently supported on iPhones. Users with other devices may not be able to access the application at this time.
What age rating is The Underground PHX?
The Underground PHX has an age rating of 4+. This means it is suitable for users of most ages, with no significant content restrictions.
Can I book classes ahead of time with The Underground PHX?
Yes, you can book classes quickly and ahead of time using The Underground PHX. The app allows you to secure your spot before arriving at the studio.
Does The Underground PHX offer information on instructors and playlists?
Yes, The Underground PHX allows you to explore instructors and their associated playlists. This feature helps users find classes that match their preferences.
