RUN interval is the household name in interval running app, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
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.
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.
RUN interval - Running Timer tops our interval running app ranking as of September 2026, with a 4.7-star average from 1K App Store ratings, and it's free to download.
Are there free interval running app for iPhone?
Yes — 20 of the top interval running app we rank are free to download, including RUN interval - Running Timer and Nike Run Club: Running Coach.
Does RUN interval - Running Timer have ads or in-app purchases?
RUN interval - Running Timer has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many interval running app are on the App Store?
We track 250+ interval running app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What does the RUN interval app do?
This app is designed to make interval and Fartlek running easier to set up and record. It allows users to define custom training sessions with specific targets for 'Hard', 'Easy', and 'Rest' efforts, using either time or distance as the metric.
What are the key features of the RUN interval app?
Key features include the ability to create flexible custom interval sessions, utilize time or distance targets for different effort types, set a Distance Goal for sessions, and receive clear audio and visual feedback. It also offers a full-featured Apple Watch app, detailed run summaries, and Strava sharing.