249+ iOS apps curated and reviewed
Catalyst Fitness Buffalo is the household name in capalyst, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (985) | No | No | Sep 2026 | |
| 2 |  | Free | 4.1★ (344) | No | No | Aug 2026 | |
| 3 |  | Free | 4.2★ (11) | No | No | Aug 2026 | |
| 4 |  | Free | 3.5★ (2) | No | No | Sep 2026 | |
| 5 |  | Free | 4.8★ (119) | No | No | Aug 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | No | No | Aug 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Sep 2026 |
Access fitness classes, trainer bios, and book your spot at this premier gym. Sync your workout and nutrient data with the Health app for a comprehensive fitness overview.
This app streamlines data collection for behavior analysts and technicians, eliminating paper forms and automating progress reports. Design custom programming, track various data types, and analyze results with real-time graphing and reporting tools.
Participate in digital health research by responding to surveys, completing tasks, and connecting wearable devices. This app facilitates communication with your study team and integrates with Apple HealthKit for movement data collection.
