Best Simple Circuit Training Timer Apps

221+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated May 2026

If you already know Seconds Interval Timer, this is the deeper bench. 221+ simple circuit training timer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Simple Circuit Training Timer

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
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
Seconds Pro Interval Timer#3

Seconds Pro Interval Timer by Runloop Ltd

Tabata, HIIT, Circuit Training
Worth Considering
💪 Health & Fitness
4.8😊(11K ratings)
$7.99
#8in Health & Fitness
Seconds Pro Interval Timer screenshot 1
Seconds Pro Interval Timer screenshot 2
Seconds Pro Interval Timer screenshot 3
Seconds Pro Interval Timer screenshot 4
Seconds Pro Interval Timer screenshot 5
Seconds Pro Interval Timer screenshot 6

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.

What We Love

  • ⭐ Great updates
  • 🤖 Amazing voice prompts
  • 👍 Easy to use
  • 🎨 Highly customizable

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 🔌 Music volume issues
  • 🔍 Complicated setup for some features

More Simple Circuit Training Timer apps to explore

4
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
5
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
6
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
7
Boxing Timer Pro Round Timer
Boxing Timer Pro Round Timer
Boxing Timer Pro Round Timer
Boxing & MMA Training Timer
Free

This app provides a customizable round timer for combat sports training, including boxing, MMA, and Muay Thai. It features adjustable preparation, round, and rest times with visual and auditory alerts. The app also includes music integration and external display support for gym use.

Fully configurable sounds and timesLarge time display with color indicationPreparation, round, warning, and rest timers
💪 Health & Fitness
(6.6K)
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
(4.4K)
free with in-app purchases
9
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
10
Little Timer Hatch Countdown
Little Timer Hatch Countdown
Little Timer Hatch Countdown
Visual timer and reminder
Free

This app offers a fun, visual countdown timer designed for children. When the timer concludes, a surprise animated animal appears, making tasks engaging. It's ideal for managing routines, encouraging focus, and supporting children with special needs.

Visual countdown timerSurprise animated animal revealCustomizable sounds and visuals
📚 Education
(10K)
free with in-app purchases
11
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
12
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
13
Flip Timer & stopwatch
Flip Timer & stopwatch
Flip Timer & stopwatch
Use for fitness,workout,study
Free

This app offers a full-screen digital timer with a unique flip animation to visualize time progression. It also includes a stopwatch for tracking activities like workouts, study sessions, and work. Customize reminder sounds and background audio for an immersive experience.

Full-screen digital timerFlip animation for time visualizationCountdown timer
📊 Productivity
(7.5K)
free with in-app purchases
14
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
15
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
16
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
17
Repeat Timer: Interval Remind
Repeat Timer: Interval Remind
Repeat Timer: Interval Remind
Multitimer Alarm Clock
Free

This app provides a simple and effective way to set up recurring reminders for various tasks and routines. It features customizable timers, optional interval cycles, and background operation with visual and audio notifications.

Customizable repeating timersOptional interval timer cyclesBackground operation with notifications
🔧 Utilities
(7.3K)
free with in-app purchases
18
Timer & stopwatch - Timeglass
Timer & stopwatch - Timeglass
Timer & stopwatch - Timeglass
Repeat & multiple step timing
Free

This app allows users to create and manage multiple timers simultaneously, including multi-step timers with custom durations. It offers spoken alerts for guidance and a convenient widget for quick access. A library of pre-built timers is also available for various activities.

Multiple side-by-side timersMulti-stepped timers with custom durationsSpoken timer alerts
🔧 Utilities
(1.4K)
free with in-app purchases
19
Timer!
Timer!
Timer!
Multiple Countdown + Reminder
Free

Manage your time effectively with this versatile app. Set multiple countdowns, create sub-timers, and organize tasks. It functions as a reminder, task manager, to-do list, and alarm, helping you optimize workouts and daily routines.

Multiple countdown timersSub-timer creationParallel timer mode
🔧 Utilities
(448)
free with in-app purchases
20
Simple Interval Timer
Simple Interval Timer
Simple Interval Timer
by Alena Kazarova
Free

This app provides a straightforward interval timer for various training types like running, cycling, and HIIT. Customize sets, action, and break durations for a personalized workout experience. It runs in the background and saves recent configurations.

Customizable sets, action, and break durationsPlain and simple designSaves last 5 configurations
⚽ Sports
(4.2K)
free with in-app purchases