About
Manage your fitness journey with this app. Reserve class spots, sign up for gym events, and update your account details like payment information and profile pictures.
What's New in Thunder Performance
3.42.0
June 9, 2026
Whether you prefer training before sunrise or just think everything looks cooler in black, dark mode has entered the chat. Same great app, now available in ninja. We also cleaned up how workout content displays and fixed deep links so tapping a video actually takes you where you want to go.
MoreFAQ
What can I do with Thunder Performance?
Thunder Performance allows you to reserve spots in classes, sign up for gym events, and manage your account. You can also update your profile picture and credit card information on file.
Is Thunder Performance free to use?
Yes, Thunder Performance is available for free. However, it does contain advertisements.
What devices does Thunder Performance support?
Thunder Performance is designed for iOS devices, including iPhone, iPad, and iPod.
How often is Thunder Performance updated?
The latest version, 3.26.8, was released on April 15, 2025. Updates are frequent, ensuring the app is reliable and up-to-date.
What is the age rating for Thunder Performance?
Thunder Performance has an age rating of 4+, making it suitable for a wide range of users.
How accurate is the class booking in Thunder Performance?
The app is designed for direct reservation and account management, so accuracy relies on the gym's scheduling system. Users have rated the app 5.0 stars, indicating a positive experience with its functionality.
Does Thunder Performance integrate with other health apps?
The provided information does not specify integrations with other health apps. Its primary focus is on managing gym-specific activities and account details.
What do users like most about Thunder Performance?
With a 5.0-star rating from 7 reviews, users appear to appreciate the app's core functionality for class booking and account management. The app is praised for its ease of use in these areas.
