Best Fartlek Interval Trainer Apps

249+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated November 2026

Out of 249+ fartlek interval trainer apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Fartlek Interval Trainer Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fartlek Interval TrainerFartlek Interval TrainerFree—NoYesOct 2026
2RUN interval - Running TimerRUN interval - Running TimerFree4.7★ (1K)NoYesNov 2026
3Interval: RunnerInterval: RunnerFree—NoNoMay 2026
4Intervals Pro: HIIT TimerIntervals Pro: HIIT TimerFree4.8★ (14K)NoYesNov 2026
5Interval Timer □ HIIT TimerInterval Timer □ HIIT TimerFree4.8★ (88K)NoYesNov 2026
6Seconds Interval TimerSeconds Interval TimerFree4.7★ (24K)NoYesNov 2026
7Core Advantage Interval TimerCore Advantage Interval TimerFree5.0★ (4)NoNoOct 2026
8Fartlek: Interval Run TimerFartlek: Interval Run TimerFree—NoYesOct 2026

Top Picks for Fartlek Interval Trainer

Fartlek Interval Trainer#1

Fartlek Interval Trainer by Richard English

Running Workouts & Insights
Editor's Choice
💪 Health & Fitness
0.0(0 ratings)
FreeIn-App Purchases
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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.

More Fartlek Interval Trainer apps to explore

FAQ about Fartlek Interval Trainer

Are there free fartlek interval trainer apps for iPhone?
Yes — 20 of the top fartlek interval trainer apps we rank are free to download, including Fartlek Interval Trainer and RUN interval - Running Timer.
Fartlek Interval Trainer has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ fartlek interval trainer apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.