Best Circuit Training Apps

213+ iOS apps curated and reviewed

4.8 avg rating
19 free apps
Updated June 2026

Seconds Interval Timer is the household name in circuit training, but it's far from the only option. We track 213+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Circuit Training Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Seconds Interval TimerSeconds Interval TimerFree4.7★ (23K)NoYesJul 2026
2Timer Plus - Workouts TimerTimer Plus - Workouts TimerFree4.8★ (58K)YesNoJul 2026
3Interval Timer □ HIIT TimerInterval Timer □ HIIT TimerFree4.8★ (85K)NoYesJul 2026
4Circuit Training WorkoutCircuit Training WorkoutFreeYesYesMay 2026
5Exercise Timer: Interval TimerExercise Timer: Interval TimerFree4.8★ (929)NoYesJul 2026
6Next Up - Interval TimerNext Up - Interval TimerFree4.7★ (2.8K)NoYesJul 2026
7Keelo - Strength HIIT WorkoutsKeelo - Strength HIIT WorkoutsFree4.8★ (5.9K)NoYesJul 2026
8Interval Timer ++Interval Timer ++Free4.8★ (15K)YesYesJul 2026

Top Picks for Circuit Training

Seconds Interval Timer#1

Seconds Interval Timer by Runloop Ltd

Tabata, HIIT, Circuit Training
Editor's Choice
💪 Health & Fitness
4.7😊(23K ratings)
FreeIn-App Purchases
Seconds Interval Timer screenshot 1
Seconds Interval Timer screenshot 2
Seconds Interval Timer screenshot 3
Seconds Interval Timer screenshot 4
Seconds Interval Timer screenshot 5
Seconds Interval Timer screenshot 6

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.

What We Love

  • 🚀 Great workout app
  • 👍 Customizable and user-friendly
  • 🔒 Reliable and stable
  • 💡 Versatile for various workouts

Room to Improve

  • 🐛 Occasional audio issues
  • 🔍 Limited Apple Watch integration
  • 💰 Paid version required for full functionality
Timer Plus - Workouts Timer#2

Timer Plus - Workouts Timer by Agroross Trading Gida Anonim Sirketi

Fitness à la maison, gym
Strong Contender
💪 Health & Fitness
4.8😊(58K ratings)
FreeAdsIn-App Purchases
Timer Plus - Workouts Timer screenshot 1
Timer Plus - Workouts Timer screenshot 2
Timer Plus - Workouts Timer screenshot 3
Timer Plus - Workouts Timer screenshot 4
Timer Plus - Workouts Timer screenshot 5

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.

What We Love

  • 🚀 Simple and easy to use
  • 👍 Properly free, no hidden costs
  • 👍 Customizable settings
  • 👍 User-friendly interface

Room to Improve

  • 🐛 Music volume issues
  • 🐛 Difficulty finding saved timers
  • 🐛 Inconsistent notification alerts
Interval Timer □ HIIT Timer#3

Interval Timer □ HIIT Timer by Float Tech, LLC

Minuteur intervalle
Worth Considering
💪 Health & Fitness
4.8😊(85K 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

More Circuit Training apps to explore

4
Circuit Training Workout
Circuit Training Workout
Circuit Training Workout
At Home HIIT Circuit Workout
Free
💪 Health & Fitness
(0)
5
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
6
Next Up - Interval Timer
Next Up - Interval Timer
Next Up - Interval Timer
Customizable interval timer
Free

Create and customize interval timers with detailed options for reps, sets, colors, and sounds. Offers flexible display modes, quick actions for navigation, and background notifications. Organize timers with folders and choose between light and dark themes.

Customizable intervals (reps, sets, colors, sounds)Detailed and full-screen display modesPortrait and landscape orientation support
💪 Health & Fitness
(2.8K)
free with in-app purchases
7
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Functional Fitness Training
Free

This app offers high-intensity functional fitness training combining strength and conditioning. It uses an AI algorithm to personalize your workouts, track progress, and provide instructional videos. Workouts can be done anywhere, with or without equipment.

AI-personalized workoutsStrength and conditioningFull body training
💪 Health & Fitness
(5.9K)
free with in-app purchases
8
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
9
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
10
Tabata HIIT. Interval Training
Tabata HIIT. Interval Training
Tabata HIIT. Interval Training
Fat burning cardio workout
Free

This app offers a high-intensity interval training (HIIT) program based on the Tabata method. It provides pre-set workout plans for various body parts and fat burning, along with the ability to create custom routines. Track your progress with detailed statistics and a calorie counter.

Tabata HIIT interval trainingPre-set and custom workout plansAdjustable gym timer
💪 Health & Fitness
(1.5K)
free with in-app purchases
11
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
(13K)
free with in-app purchases
12
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
13
Circuit Training Timer Lite
Circuit Training Timer Lite
Circuit Training Timer Lite
Time and track your workouts
Free

This app coaches your workouts with customizable timers, allowing you to focus on training. It supports location tracking for detailed statistics and heart rate monitoring with Bluetooth LE devices. Voice coaching and clear visual cues keep you informed without needing to check your screen.

Customizable interval timersLocation tracking for statsBluetooth LE heart rate monitor support
💪 Health & Fitness
(449)
free with in-app purchases
14
HIIT • Workouts & Timer
HIIT • Workouts & Timer
HIIT • Workouts & Timer
24 Hour Fitness,Tabata,Cardio
Free

This app offers short, high-intensity interval training (HIIT) workouts that can be done anywhere with no equipment. It provides scientifically proven exercises, custom timer templates, and progress tracking to help users achieve fitness results quickly.

Short, high-intensity workoutsCustomizable timer templatesStep-by-step instructions
💪 Health & Fitness
(31K)
freemium
15
Stark Fitness
Stark Fitness
Stark Fitness
Exercise Workout Trainer
Free

Create custom workouts or follow guided routines with video instructions. Access a vast library of exercises and trainer-designed programs for any fitness goal, at home or in the gym. Integrates with Apple Health.

Video-guided workoutsCustom workout builder700+ exercise videos
💪 Health & Fitness
(806)
free with in-app purchases
16
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
17
Interval Timer: Tabata & HIIT
Interval Timer: Tabata & HIIT
Interval Timer: Tabata & HIIT
Workout, fitness, crossfit
Free

This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

Customizable workout setupProgress tracking with calendarSaveable custom presets
💪 Health & Fitness
(330)
free with in-app purchases
18
Studio 14 Circuit Training
Studio 14 Circuit Training
Studio 14 Circuit Training
by PushPress, Inc.
Free
💪 Health & Fitness
(0)
19
Interval Timer: HIIT Workout
Interval Timer: HIIT Workout
Interval Timer: HIIT Workout
Simple Stopwatch for Training
Free

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Customizable work and rest periodsSet number of sets and roundsBackground operation support
💪 Health & Fitness
(234)
free with in-app purchases
20
O2 CIRCUIT TRAINING
O2 CIRCUIT TRAINING
O2 CIRCUIT TRAINING
by O2 CIRCUIT TRAINING AB.
Free
💪 Health & Fitness
(0)

FAQ about Circuit Training

What are the best circuit training apps for iPhone?
Seconds Interval Timer tops our circuit training apps ranking as of June 2026, with a 4.7-star average from 23K App Store ratings, and it's free to download.
Yes — 19 of the top circuit training apps we rank are free to download, including Seconds Interval Timer and Timer Plus - Workouts Timer.
Seconds Interval Timer has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 213+ circuit training apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Seconds Interval Timer is designed to be the best interval timer for workouts such as Tabata, HIIT, and Circuit Training. It offers a full-screen, colored display that is easy to read from a distance, and can be used in either landscape or portrait mode. The app also includes templates for different training styles and allows for combining timers for greater control.
Key features include a full-screen, colored display for easy readability, templates for HIIT, Tabata, and Circuit Training, and the ability to combine timers. It also offers voice prompts for interval names and upcoming alerts, as well as other sound alerts like beeps and bells. Users can assign music per interval or per timer and the timer runs in the background.

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