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 tracker app offers interval training with manual and auto-detection features, allowing users to customize workouts with various interval types, including Flat Sets, Tabata, and Custom Sets. It also automatically records workouts, tracking metrics like distance, heart rate, and energy expenditure, and syncs with the Apple Health app.

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

A workout timer app that allows you to set custom intervals for exercise, rest, and rounds seamlessly. Features include audio guides, progress tracking, and the ability to listen to music from other apps while using the timer. Improve your fitness routine with this easy-to-use interval timer app!

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

Intervals Pro is an innovative HIIT timer app designed to help users optimize their workout routines. With customizable interval settings and audio cues, this app maximizes efficiency and motivation during high-intensity training sessions. Elevate your fitness regimen with Intervals Pro today!

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 application simplifies interval running by allowing users to easily set up and record customized running sessions using time or distance targets for different effort levels. It provides detailed feedback, sharing options, and works seamlessly with an Apple Watch. Improve your running sessions today!

💪 Health & Fitness
(980)
5
Nike Run Club: Cardio Exercise
Nike Run Club: Cardio Exercise
Nike Run Club: Cardio Exercise
Workout App & Distance Tracker
Free

Get personalized coaching for your runs with the latest workout app, featuring tailored plans and real-time tracking. Maximize your fitness potential and achieve your running goals with ease. Ready to step up your game?

💪 Health & Fitness
(46K)
6
Seconds Interval Timer
Seconds Interval Timer
Seconds Interval Timer
Tabata, HIIT, Circuit Training
Free

Optimize your Tabata, HIIT, and circuit training with a top interval timer. Fine-tune your workouts with ease. Start now for a more efficient fitness routine!

💪 Health & Fitness
(23K)
7
Interval Timer - Tabata Timer
Interval Timer - Tabata Timer
Interval Timer - Tabata Timer
Multiple timers for fitness
Free

An interval timer designed for fitness enthusiasts, offering customizable sets, high/low intensity intervals, and rest times for various workout routines. Features include the ability to run in the background, play music during workouts, share progress on social media, save settings as templates, and integrate with Apple Health for heart rate tracking on the Apple Watch. Start optimizing your workouts today!

💪 Health & Fitness
(18K)
8
Core Advantage Interval Timer
Core Advantage Interval Timer
Core Advantage Interval Timer
by Core Advantage Pty Ltd
Free

This interval training application offers a variety of pre-built workouts and allows users to create and save their own custom routines, with features such as adjustable interval volume levels and music playback. Users can choose from workouts like anaerobic fitness, speed play, and strength training tempo, and even book training sessions and track their schedule.

💪 Health & Fitness
(4)
9
Interval Timer ++
Interval Timer ++
Interval Timer ++
HIIT & circuit workout timer
Free

Interval Timer is a versatile workout tool for HIIT training, offering customizable intervals and exercises. Stay on track with this app designed to optimize your exercise routine. Get started today and experience a new level of fitness!

💪 Health & Fitness
(15K)
10
Timer Plus - Workouts Timer
Timer Plus - Workouts Timer
Timer Plus - Workouts Timer
Fitness à la maison, gym
Free

Timer Plus is an interval training timer app perfect for HIIT and Tabata workouts, offering features like round and cycle display, interval stopwatch, background mode, screen flash, voice guidance, and Apple Watch integration. Ideal for home, gym, boxing, MMA, and bodyweight exercises. Get started with Timer Plus for efficient fitness training.

💪 Health & Fitness
(57K)
11
Interval Timer
Interval Timer
Interval Timer
Tabata, HIIT, Circuit Training
Free

An intuitive Interval Timer app for Tabata, HIIT, and Circuit Training with customizable settings, voice assistant, saved workouts, and quick setup feature. Supports Apple Health for activity tracking. Download for free with subscription option available. Good luck with your training!

💪 Health & Fitness
(3.2K)
12
Tabata Timer and HIIT Timer
Tabata Timer and HIIT Timer
Tabata Timer and HIIT Timer
Tabata Stopwatch Pro (TSP)
Free

A versatile interval training app designed for Tabata, HIIT, kettlebells, and more, helping automate workout intervals with beeps, voice cues, and music integration. Customize intervals, track performance metrics, and enhance training efficiency. Simply push play and focus on your workout goals.

💪 Health & Fitness
(73K)
13
Seconds Pro Interval Timer
Seconds Pro Interval Timer
Seconds Pro Interval Timer
Tabata, HIIT, Circuit Training
$7.99

Get the ultimate interval timer for various workouts like Tabata, HIIT, and circuit training with Seconds Pro. Enhance your workout routines with precision timing and customization options.

💪 Health & Fitness
(11K)
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 is a versatile interval training timer that helps you with various workout routines like HIIT, Tabata, and more. It offers customizable settings, background operation, sound and vibration cues, and integrates with music for a seamless workout experience. Download for free or upgrade for advanced features and an ad-free experience!

💪 Health & Fitness
(9K)
15
Runervals: Interval Running
Runervals: Interval Running
Runervals: Interval Running
Automatically Track Workouts
Free

This running application automatically tracks workouts using a device's accelerometer and GPS, allowing users to monitor their intervals, save their training history, and improve their conditioning, speed, and technique. Try it out to take your running to the next level with features like interval tracking, history saving, and seamless integration with health and fitness apps.

💪 Health & Fitness
(1)
16
Interval Timer Pro
Interval Timer Pro
Interval Timer Pro
Timing for HIIT Training
$2.99

Track your workout intervals with this versatile app for HIIT training. Customize your sets, intervals, and rest periods to suit your routine, with the ability to run in the background or with the device locked. Save your settings as templates and share your workouts on social media. Try it now and revolutionize your fitness regimen!

💪 Health & Fitness
(594)
17
Interval Timer: Run & HIIT
Interval Timer: Run & HIIT
Interval Timer: Run & HIIT
Simple Tabata Training Tracker
Free

Take your workouts to the next level with an innovative interval timer app that helps optimize your training sessions. Enhance your fitness routine today!

💪 Health & Fitness
(524)
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 custom workout routines with the Exercise Timer app. Perfect for HIIT, Tabata, and Circuit Training, this app helps you stay on track with timing intervals and workouts. Boost your fitness with precision.

💪 Health & Fitness
(929)
20
Interval Timer Tabata Workout
Interval Timer Tabata Workout
Interval Timer Tabata Workout
HIIT 7-Minute, CrossFit & WoD
Free

An advanced interval timer designed to enhance your workouts by allowing you to customize and time intervals for High-Intensity Interval Training (HIIT) sessions efficiently. Improve your fitness routine with precision and intensity.

💪 Health & Fitness
(967)