250+ iOS apps curated and reviewed
Finding the right free interval running app can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (1K) | No | Yes | Nov 2026 | |
| 2 |  | Free | 4.7★ (146) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.9★ (5.7K) | Yes | Yes | Nov 2026 | |
| 4 |  | Free | 4.8★ (14K) | No | Yes | Nov 2026 | |
| 5 |  | Free | 4.7★ (32) | No | No | Nov 2026 | |
| 6 |  | Free | 4.8★ (421K) | Yes | No | Nov 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | Nov 2026 |
This app simplifies interval and Fartlek running by allowing you to set custom targets for time or distance during hard, easy, and rest efforts. It offers detailed post-run summaries, audio and visual feedback, and an Apple Watch app for enhanced training.
Set custom interval timers with voice or tone alerts. This app seamlessly integrates with your existing audio and fitness apps, pausing or lowering music volume to ensure you never miss an alert.
This app provides a straightforward interval timer for various training types like running, cycling, and HIIT. Customize sets, action, and break durations for a personalized workout experience. It runs in the background and saves recent configurations.
