Best Free Interval Running App

249+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Finding the right free interval running app can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Free Interval Running App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RUN interval - Running TimerRUN interval - Running TimerFree4.7★ (1K)NoYesSep 2026
2Nike Run Club: Running CoachNike Run Club: Running CoachFree4.8★ (418K)YesNoSep 2026
3Simple Interval TimerSimple Interval TimerFree4.9★ (5.4K)YesYesSep 2026
4Interval Timer - Tabata TimerInterval Timer - Tabata TimerFree4.5★ (19K)YesYesSep 2026
5Running Trainer: Tracker&CoachRunning Trainer: Tracker&CoachFree4.9★ (114K)NoYesSep 2026
6Running Interval Timer TrackerRunning Interval Timer TrackerFree4.4★ (19)YesNoSep 2026
7Interval TimerInterval TimerFree4.7★ (3.5K)NoYesSep 2026
8Interval Timer □ HIIT TimerInterval Timer □ HIIT TimerFree4.8★ (86K)NoYesSep 2026

Top Picks for Free Interval Running App

Nike Run Club: Running Coach#2

Nike Run Club: Running Coach by Nike, Inc

Workout App & Distance Tracker
Strong Contender
💪 Health & Fitness
4.8😊(418K ratings)
FreeAds
#63in Health & Fitness
Nike Run Club: Running Coach screenshot 1
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Nike Run Club: Running Coach screenshot 3
Nike Run Club: Running Coach screenshot 4
Nike Run Club: Running Coach screenshot 5
Nike Run Club: Running Coach screenshot 6

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.

What We Love

  • 🚀 Excellent coaching and guided runs
  • 👍 Motivating and encouraging
  • 📊 Comprehensive tracking and analytics
  • 🎨 Customizable run colors and levels
  • 🤝 Supportive community and challenges

Room to Improve

  • 🐛 Sync and connectivity issues
  • 🤔 Confusing or unintuitive features
  • 🔍 Inaccurate distance and pace tracking
  • 🔧 Buggy updates and crashes
  • 🙄 Repetitive and scripted audio
Simple Interval Timer#3
4.9😊(5.4K ratings)
FreeAdsIn-App Purchases
Simple Interval Timer screenshot 1
Simple Interval Timer screenshot 2
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Simple Interval Timer screenshot 6

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.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Efficient and straightforward
  • 💰 Actually free, no paywall
  • 🔊 Unobtrusive audio cues
  • 🎶 Works well with music playback

Room to Improve

  • 🐛 Occasional bugs and crashes
  • ⚙️ Limited customization options
  • 🔋 Compatibility issues with newer iOS versions
  • 🔍 Difficulty deleting/managing saved configurations

More Free Interval Running App apps to explore

FAQ about Free Interval Running App

What is the best free interval running app for iPhone?
RUN interval - Running Timer tops our free 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.
RUN interval - Running Timer has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ free interval running app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
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.
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.