
About
Discover and book last-minute fitness classes at local studios for a fraction of the regular price. Save money while studios fill empty spots. Explore various workout types like yoga, HIIT, and cycling.
What's New in Fill In
1.0.4
July 18, 2026
Bug fixes and improvements for booking, payments, and account verification.
User reviews
Developer apps
FAQ
What types of fitness classes can I book with Fill In?
Fill In offers a wide variety of classes including Yoga (Vinyasa, Hot Yoga, Restorative, Power), Pilates (Mat, Reformer), HIIT, Barre, Indoor Cycling, CrossFit, Strength Training, Dance Cardio, and Boxing. The app partners with boutique fitness studios and gyms to provide diverse options.
How much does Fill In cost to use?
The Fill In app is free to download and use. You only pay for the fitness classes you book, which are typically offered at a 30-70% discount compared to the regular studio price.
Does Fill In have ads?
No, Fill In does not contain advertisements. The app is free to download and use, with payment only required for the classes you book.
What devices does Fill In support?
Fill In is available on iPhone, iPad, and iPod. The app is designed for iOS devices.
How does Fill In help me save money on fitness classes?
Studios post unfilled class spots on Fill In at a discounted rate. This allows users to discover and book these classes for significantly less than the standard price, making fitness more accessible and affordable.
Can I get notified about new deals with Fill In?
Yes, Fill In offers push notifications to alert you when new last-minute deals on classes are posted near your location. You can also save your favorite studios for quick access to their offerings.
What is the age rating for Fill In?
Fill In has an age rating of 4+. This indicates it is suitable for users of all ages.
How often is Fill In updated?
The latest version of Fill In is 1.0.2, which was last updated on June 26, 2026. Updates typically include bug fixes and feature enhancements to improve user experience.






