Best apps like Fartlek: AI Running Intervals

10+ similar apps compared and reviewed

4.7 avg rating
10 free apps
Updated September 2026

Fartlek is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Fartlek

ASICS Runkeeper—Run Tracker#1

ASICS Runkeeper—Run Tracker by ASICS Runner App, Inc.

Running App and Training Plans
Editor's Choice
💪 Health & Fitness
4.8😊(378K ratings)
FreeAdsIn-App Purchases
ASICS Runkeeper—Run Tracker screenshot 1
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ASICS Runkeeper—Run Tracker screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Motivating and helpful
  • 🚀 Accurate tracking
  • 👍 Great for beginners

Room to Improve

  • 🐛 GPS issues and inaccuracies
  • 🐛 Syncing problems between devices
  • 🐛 Frequent crashes and bugs
Tabata Timer: Interval Timer.#2

Tabata Timer: Interval Timer. by Oleksandr Serhiienko

Workout timer / HIIT timer WOD
Strong Contender
💪 Health & Fitness
4.9😊(9.2K ratings)
FreeAdsIn-App Purchases
Tabata Timer: Interval Timer. screenshot 1
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This app provides a versatile interval timer for high-intensity workouts like HIIT and Tabata. Users can create custom routines with adjustable work/rest times, sets, and cycles, and receive voice cues. It functions as a background companion to keep you focused during training.

What We Love

  • 👍 User-friendly
  • 🚀 Customizable workouts
  • 🔊 Clear audio cues
  • 💡 Ability to save multiple workouts

Room to Improve

  • 🐛 Occasional crashes or glitches
  • 🔒 Limited free version (only 2 saved workouts)
  • 💰 Paid version required for more features
Fartlek Interval Trainer#3

Fartlek Interval Trainer by Richard English

Timer: Intervals, HIIT, Tabata
Worth Considering
💪 Health & Fitness
0.0(0 ratings)
FreeIn-App Purchases
Fartlek Interval Trainer screenshot 1
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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 apps like Fartlek

4
Interval Timer: Run & HIIT
Interval Timer: Run & HIIT
Interval Timer: Run & HIIT
Simple Tabata Training Tracker
Free

Organize your running and high-intensity interval training sessions with ease. Quickly set up custom time intervals for running, walking, warm-ups, and cool-downs. Receive voice and vibration notifications for interval changes, and enjoy background music playback.

Intuitive designCustomizable time intervalsWarm-up and cool-down timers
💪 Health & Fitness
(534)
free with in-app purchases
5
HIIT: Running Interval Timer
HIIT: Running Interval Timer
HIIT: Running Interval Timer
Hiit timer, plan trainer
Free

Design and track custom interval running workouts with real-time data and audio cues. This app offers detailed post-run analysis and integrates with Apple Health and Apple Watch for phone-free training.

Customizable intervals (time, distance, open)Support for HIIT, tempo, fartlek, pyramid, progression workoutsReal-time tracking of pace, cadence, heart rate
💪 Health & Fitness
(31)
free with in-app purchases
6
RUN interval - Running Timer
RUN interval - Running Timer
RUN interval - Running Timer
Interval running made easier.
Free

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.

Customizable interval sessionsTime and distance targetsDistance Goal option
💪 Health & Fitness
(1K)
free with in-app purchases
7
Intervals Pro: HIIT Timer
Intervals Pro: HIIT Timer
Intervals Pro: HIIT Timer
Running & Fitness Workouts
Free

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.

Highly customizable intervals (time/distance)Spoken interval names and promptsStandalone Apple Watch workouts
💪 Health & Fitness
(14K)
free with in-app purchases
8
Interval Timer Plus
Interval Timer Plus
Interval Timer Plus
Simple interval timer
Free

This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.

Customizable intervalsNamed intervals with voice readoutIndividual colors and sounds
💪 Health & Fitness
(5.9K)
free with in-app purchases
9
Seconds Interval Timer
Seconds Interval Timer
Seconds Interval Timer
Tabata, HIIT, Circuit Training
Free

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

Full-screen colored displayTemplates for HIIT, Tabata, Circuit TrainingVoice and audio alerts
💪 Health & Fitness
(24K)
free with in-app purchases
10
Interval Timer
Interval Timer
Interval Timer
Tabata, HIIT, Circuit Training
Free

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Customizable interval settingsVoice assistant with text-to-speechMusic ducking for audio integration
💪 Health & Fitness
(3.5K)
subscription