Best Fartlek Interval Trainer Apps

211+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated May 2026

Out of 211+ fartlek interval trainer apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Fartlek Interval Trainer

Fartlek Interval Trainer#1

Fartlek Interval Trainer by Richard English

Timer: Intervals, HIIT, Tabata
Editor's Choice
💪 Health & Fitness
0.0(0 ratings)
FreeIn-App Purchases
Fartlek Interval Trainer screenshot 1
Fartlek Interval Trainer screenshot 2
Fartlek Interval Trainer screenshot 3
Fartlek Interval Trainer screenshot 4
Fartlek Interval Trainer screenshot 5
Fartlek Interval Trainer screenshot 6

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.

Interval Timer □ HIIT Timer#2

Interval Timer □ HIIT Timer by Float Tech, LLC

The simple workout timer.
Strong Contender
💪 Health & Fitness
4.8😊(83K ratings)
FreeIn-App Purchases
Interval Timer □ HIIT Timer screenshot 1
Interval Timer □ HIIT Timer screenshot 2
Interval Timer □ HIIT Timer screenshot 3
Interval Timer □ HIIT Timer screenshot 4
Interval Timer □ HIIT Timer screenshot 5

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

What We Love

  • 🚀 Simple and easy to use
  • 👍 Customizable settings
  • 🚀 Intuitive interface
  • 🚀 Effective for HIIT workouts

Room to Improve

  • 🔒 Requires subscription after limited free use
  • 🐛 Music volume issues with voice prompts
  • 🐛 Inconsistent behavior when switching apps
Intervals Pro: HIIT Timer#3

Intervals Pro: HIIT Timer by Intervals, LLC

Running & Fitness Workouts
Worth Considering
💪 Health & Fitness
4.8😊(13K ratings)
FreeIn-App Purchases
Intervals Pro: HIIT Timer screenshot 1
Intervals Pro: HIIT Timer screenshot 2
Intervals Pro: HIIT Timer screenshot 3
Intervals Pro: HIIT Timer screenshot 4
Intervals Pro: HIIT Timer screenshot 5
Intervals Pro: HIIT Timer screenshot 6

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.

What We Love

  • 👍 Customizable timers and intervals
  • 🚀 Seamless Apple Watch integration
  • 💪 Helps with fitness goals and training
  • 🔍 Detailed workout tracking and analytics

Room to Improve

  • 🐛 Occasional sync and connectivity issues
  • 🔍 Lack of clear guidance and documentation
  • 💰 Paid version required for full functionality

More Fartlek Interval Trainer apps to explore

4
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
(980)
free with in-app purchases
5
Nike Run Club: Running Coach
Nike Run Club: Running Coach
Nike Run Club: Running Coach
Workout App & Distance Tracker
Free

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.

Guided Runs with audio coachingPersonalized Training PlansGPS tracking for speed, distance, and route
💪 Health & Fitness
(413K)
free with in-app purchases
6
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
(23K)
free with in-app purchases
7
Interval Timer - Tabata Timer
Interval Timer - Tabata Timer
Interval Timer - Tabata Timer
Multiple timers for fitness
Free

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.

Customizable sets, intervals, and rest timesRuns in background and with screen lockedMusic playlist integration
💪 Health & Fitness
(18K)
free with in-app purchases
8
Core Advantage Interval Timer
Core Advantage Interval Timer
Core Advantage Interval Timer
by Core Advantage Pty Ltd
Free

Create and follow custom interval training routines or choose from pre-built workouts. This app supports various training styles, from high-intensity sprints to tempo control and stretching protocols, with adjustable music volume.

Customizable workout builderPre-built workout libraryAdjustable interval volume
💪 Health & Fitness
(4)
free
9
Interval Timer ++
Interval Timer ++
Interval Timer ++
HIIT & circuit workout timer
Free

This app provides a customizable interval timer for high-intensity interval training (HIIT) and circuit workouts. Easily set up work, rest, and repeat intervals, track your progress, and integrate with your health data. Enjoy your workouts with background music and notifications.

Customizable work/rest/repeat intervalsSupports iPhone and Apple WatchWorkout history in calendar view
💪 Health & Fitness
(15K)
free with in-app purchases
10
Timer Plus - Workouts Timer
Timer Plus - Workouts Timer
Timer Plus - Workouts Timer
Fitness à la maison, gym
Free

This interval training app supports HIIT, circuit, and Tabata workouts with customizable rounds and cycles. It offers background operation, screen flashing, and voice guidance for an enhanced fitness experience. An Apple Watch companion app is also available.

Customizable rounds and cyclesInterval stopwatchBackground timer operation
💪 Health & Fitness
(60K)
ad-supported
11
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
(3.2K)
subscription
12
Tabata Timer and HIIT Timer
Tabata Timer and HIIT Timer
Tabata Timer and HIIT Timer
Tabata Stopwatch Pro (TSP)
Free

This interval training app automates your exercise, rest, and cooldown periods for various workouts like Tabata, HIIT, and sprints. It offers customizable intervals, voice guidance, and music integration to enhance focus and workout efficiency. Track your progress with Apple Health integration.

Automated exercise and rest intervalsCustomizable workout presetsVoice and beep guidance
💪 Health & Fitness
(73K)
free with in-app purchases
13
Seconds Pro Interval Timer
Seconds Pro Interval Timer
Seconds Pro Interval Timer
Tabata, HIIT, Circuit Training
$7.99

This interval timer app is designed for high-intensity interval training (HIIT), Tabata, and circuit training workouts. It features a large, color-coded display, customizable interval names, and background operation. It also integrates with Apple Health to track your fitness data.

Full screen colored displayTemplates for HIIT, Tabata, Circuit TrainingSpeaks interval names and provides warnings
💪 Health & Fitness
(11K)
paid
14
Tabata Timer: Interval Timer.
Tabata Timer: Interval Timer.
Tabata Timer: Interval Timer.
Workout timer / HIIT timer WOD
Free
$7.99 | 100% OFF

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.

Customizable interval timersHIIT and Tabata training supportAdjustable work and rest times
💪 Health & Fitness
(9K)
free with in-app purchases
15
Runervals: Interval Running
Runervals: Interval Running
Runervals: Interval Running
Automatically Track Workouts
Free

This app automatically detects and tracks your running intervals using your device's accelerometer and GPS. It provides detailed training data and saves your workout history. It also integrates with Apple Watch and the Health app.

Automatic interval detectionGPS and accelerometer trackingWorkout history saving
💪 Health & Fitness
(1)
free with in-app purchases
16
Interval Timer Pro
Interval Timer Pro
Interval Timer Pro
Timing for HIIT Training
$2.99

This app helps you manage work and rest periods for various fitness activities. It offers customizable intervals, runs in the background, and allows you to play music during workouts. Save your settings and share your progress.

Customizable sets and intervalsBackground operationMusic playback
💪 Health & Fitness
(594)
free
17
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
(524)
free with in-app purchases
18
Running Intervals & HIIT Coach
Running Intervals & HIIT Coach
Running Intervals & HIIT Coach
Interval Timer & Run Trainer
Free
💪 Health & Fitness
(0)
19
Exercise Timer: Interval Timer
Exercise Timer: Interval Timer
Exercise Timer: Interval Timer
HIIT, Tabata, Circuit Training
Free

Create and guide custom interval training routines with this app. It supports timed and rep-based exercises, offers voice coaching, and logs your workout history with detailed analytics. Track progress over time and organize routines into training plans.

Custom workout routinesVoice coach for next exerciseTimed and rep-based exercises
💪 Health & Fitness
(929)
freemium
20
Interval Timer Tabata Workout
Interval Timer Tabata Workout
Interval Timer Tabata Workout
HIIT 7-Minute, CrossFit & WoD
Free

This app guides you through science-backed interval training for effective workouts at home or on the go. Choose from pre-made routines or create your own, with voice cues and visual feedback to keep you motivated. Track your progress and integrate with other health apps.

40+ ready-to-go workoutsVoice coaching in 22 languagesApple Watch support
💪 Health & Fitness
(967)
free with in-app purchases