# RSTR > HIIT fitness classes with scheduling and merchandise shopping. (iPhone/iPad app by FBRK, LLC.) - Source: https://appshunter.io/ios/app/rstr/id1484376402 (this page in markdown: same URL + `.md`) - Developer: [FBRK, LLC](https://appshunter.io/developer/1484376401) - Category: Health & Fitness - Price: Free - Rating: 5.00/5 from 9 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 14.0 · 126 MB - Languages: Arabic, Czech, Danish, Dutch, English, French, German, Greek, Hebrew, Italian and 9 more - Released: 2019-10-29 - Data updated: 2026-06-01 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/rstr/id1484376402/reviews.md ## What is RSTR? Start transforming your body and mindset with our 30-minute HIIT classes. Join in-studio or on-demand classes to start your journey right now. Workouts tailored for any level of fitness. View and plan class schedules, sign up for classes, view ongoing promotions, as well as shop for our latest merch drops. Classes: Fight 30 Strength 30 Endurance 30 ## Key features - 30-minute HIIT classes - In-studio and on-demand options - Workouts for all fitness levels - Class schedule planning - Class sign-ups - Promotions and merchandise shopping ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/rstr/id1484376402/reviews.md ### 5/5 — Incredible app for tracking my workouts *2019-11-16* I’m able to book classes and track my weekly progress like never before. Highly recommend!! ## Frequently asked questions about RSTR ### What types of workouts does RSTR offer? RSTR offers 30-minute HIIT classes including Fight 30, Strength 30, and Endurance 30. These workouts are designed to be suitable for any fitness level. ### Can I attend RSTR classes in person? Yes, RSTR provides both in-studio and on-demand class options. This allows users to choose their preferred method of participation. ### How does RSTR handle class scheduling and sign-ups? The app allows users to view and plan their class schedules directly. You can also sign up for specific classes through the application. ### Does RSTR have ads? Yes, RSTR contains advertisements. Users can expect to see ads while using the application. ### What devices is RSTR compatible with? RSTR is available on iPhone, iPad, and iPod. It is designed for Apple mobile devices. ### How often is RSTR updated? The latest version of RSTR is 8.303.0, and it was last updated on April 7, 2026. This indicates a recent update. ### What is the age rating for RSTR? RSTR has an age rating of 4+. This means it is considered suitable for users aged 4 and above. ### What is the user rating for RSTR? RSTR has an excellent user rating of 5.0 stars, based on 9 ratings. This suggests a high level of user satisfaction. ## Version history (last 5 releases) ### 8.303.0 — 2026-04-07 We've added improvements to the checkout and cancellation flows, along with a bunch of bug fixes. Small tweaks that make a big difference. ### 8.301.0 — 2026-02-20 We added a few polish points around profile editing and cleaned up bugs affecting navigation and checkout. Quiet progress is still progress. ### 8.201.0 — 2026-01-28 This release brings improvements to the booking experience and restores family account support. We’ve also cleaned up a few bugs to keep things running smoothly. ### 8.200.0 — 2026-01-23 This release brings improvements to the booking experience and restores family account support. We’ve also cleaned up a few bugs to keep things running smoothly. ### 8.102.0 — 2026-01-12 We’ve fine-tuned the booking experience some more. Everything should feel just a little more in sync. ## Apps similar to RSTR | App | Rating | Price | Category | | --- | --- | --- | --- | | [Fit Results](https://appshunter.io/ios/app/fit-results/id1396029176) | 5.0 (3) | Free | Health & Fitness | | [100MoS](https://appshunter.io/ios/app/100mos/id6744427514) | 3.8 (6) | Free | Health & Fitness | | [The Rec (Health & Wellness)](https://appshunter.io/ios/app/the-rec-health-and-wellness/id6443540985) | 5.0 (1) | Free | Health & Fitness | | [Arrive Michigan Avenue Access](https://appshunter.io/ios/app/arrive-michigan-avenue-access/id1488939930) | 5.0 (2) | Free | Health & Fitness | | [The Garage Chicago](https://appshunter.io/ios/app/the-garage-chicago/id1586018849) | 5.0 (121) | Free | Health & Fitness | | [Ethos Training](https://appshunter.io/ios/app/ethos-training/id6738397466) | 5.0 (34) | Free | Health & Fitness | ## More apps by FBRK, LLC - [FBRK](https://appshunter.io/ios/app/fbrk/id1591880726) - [Impact House](https://appshunter.io/ios/app/impact-house/id6747349845) All apps by FBRK, LLC: https://appshunter.io/developer/1484376401 ## Related topics [rstr](https://appshunter.io/ios/topics/rstr) · [rstr fitness](https://appshunter.io/ios/topics/rstr-fitness) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*