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★ (980) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.8★ (416K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.5★ (19K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.5★ (18) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.9★ (114K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.9★ (5.3K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (377K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.8★ (14K) | No | Yes | Aug 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.
This app offers guided runs, training plans, and community challenges to help users start, continue, and enjoy running. It tracks speed, distance, and GPS routes, providing motivation and expert guidance for various fitness levels and goals.
This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.
This app helps you create and track personalized running interval workouts. Customize rounds, sprint durations, and recovery periods for high-intensity training. Its simple interface makes it easy to focus on your run and improve performance.
This app provides accurate running tracking, including pace, distance, calories, and heart rate. It offers voice feedback, music integration, and a history of your running activities to help you improve.
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.
Track your runs, set personalized goals, and follow guided workouts to improve your fitness. This app offers GPS tracking for various activities, progress monitoring, and motivational features to help you achieve your running ambitions.
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.
This app helps you structure your workouts with customizable interval timers. Set work and rest periods, and repeat cycles for your training sessions.
This app offers a comprehensive approach to weight loss through running and nutrition. It provides personalized training plans with interval workouts and balanced meal plans, along with features to track progress and stay motivated.
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 customizable timer for interval training, guiding users through custom run and walk durations with visual and audio cues. Track your progress with workout history and enjoy a clean, intuitive interface designed for focused fitness sessions.
This app provides a simple and fully customizable interval timer for workouts. It offers unlimited workout profiles, background support, and Live Activities for real-time progress tracking on your lock screen. Enjoy a completely free experience with no ads or paywalls.
This app provides a simple and reliable timer for high-intensity interval workouts. It allows users to create custom workout segments, loop routines, and reorder exercises without distractions. It runs in the background and supports dark mode.
This app acts as a personal interval running coach, guiding users through custom or AI-generated workouts with voice cues and real-time tracking. It supports various training goals and integrates with Apple Health and other fitness platforms.