69+ iOS apps curated and reviewed
With an average user rating of 4.5β , the fartlek category is one of the App Store's strongest. Browse all 69+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | β | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.8β (14K) | No | Yes | Oct 2026 | |
| 3 |  | Free | β | No | Yes | Oct 2026 | |
| 4 |  | Free | 4.7β (1K) | No | Yes | Sep 2026 | |
| 5 |  | Free | β | No | Yes | Sep 2026 | |
| 6 |  | Free | β | No | No | Oct 2026 | |
| 7 |  | Free | 4.5β (2.4K) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 5.0β (4) | No | No | May 2026 |
This running app automatically detects spontaneous intervals during Fartlek runs, providing live color-coded feedback on your effort. It also functions as a powerful timer for structured workouts like HIIT and Tabata, offering detailed metrics and syncing with Strava and Apple Health.
Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.
