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Best 4X4 Timer Interval Training Apps

218+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our 4x4 timer interval training list covers 218+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for 4X4 Timer Interval Training

Seconds Interval Timer#2

Seconds Interval Timer by Runloop Ltd

Tabata, HIIT, Circuit Training
Strong Contender
💪 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
Next Up - Interval Timer#3

Next Up - Interval Timer by Alysha Kwok

Customizable interval timer
Worth Considering
💪 Health & Fitness
4.7(2.8K ratings)
FreeIn-App Purchases
Next Up - Interval Timer screenshot 1
Next Up - Interval Timer screenshot 2
Next Up - Interval Timer screenshot 3
Next Up - Interval Timer screenshot 4
Next Up - Interval Timer screenshot 5
Next Up - Interval Timer screenshot 6

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.

More 4X4 Timer Interval Training 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
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
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
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
8
GymNext Flex Timer
GymNext Flex Timer
GymNext Flex Timer
Bluetooth Interval Timer
Free

This app offers advanced interval training timing with customizable modes and the ability to control an external LED display. It integrates with wearables and heart rate monitors for a comprehensive workout experience.

Control external LED displaysMultiple customizable timer modes (Tabata, EMOM, etc.)Save and recall favorite workouts
💪 Health & Fitness
(2K)
free
9
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
10
Gymboss Interval Timer
Gymboss Interval Timer
Gymboss Interval Timer
by Gymboss LLC
Free

This app provides a customizable interval timer for various workouts, allowing users to set single or multiple work and rest periods. It offers extensive customization options for alarms, program saving, and display, ensuring a tailored timing experience for any fitness routine.

Programmable interval timerUnlimited intervals and roundsSave and manage unlimited programs
💪 Health & Fitness
(754)
free with in-app purchases
11
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
12
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
13
Boxing Interval Timer
Boxing Interval Timer
Boxing Interval Timer
Boxing, MMA & HIIT Round Timer
Free

This app provides a customizable interval timer for various round-based sports and high-intensity interval training. Easily set times and sounds for preparation, rounds, and rest, with visual and auditory alerts to keep you on track during your workouts.

Configurable sounds and timesSet preparation, round, and rest intervalsInner round alerts
💪 Health & Fitness
(12K)
free with in-app purchases
14
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
15
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
The simple workout timer.
Free

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.

Customizable intervalsWorkout and rest timersVoice or beep guides
💪 Health & Fitness
(83K)
freemium
16
Timer for Workouts - Repeat
Timer for Workouts - Repeat
Timer for Workouts - Repeat
Multitimer Alarm Clock
Free
$5.99 | 100% OFF

This app provides a versatile timer for various workout styles, including HIIT, Tabata, and circuit training. It offers customizable intervals, background operation, and audible countdowns to keep users focused on their training. Designed for athletes and fitness enthusiasts, it simplifies interval timing for effective workouts.

Customizable work and rest intervalsSupport for Tabata, HIIT, EMOM, and circuitsBackground operation with alerts
⚽ Sports
(1.4K)
subscription
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
Tabata Timer □
Tabata Timer □
Tabata Timer □
Simple tabata workout timer
Free

This app provides a straightforward and visually appealing timer for Tabata workouts. Easily customize workout intervals and rest periods by dragging elements. It offers audio guidance, background music support, and workout history tracking.

Customizable workout intervalsDrag-and-drop interfaceAudio guidance
💪 Health & Fitness
(10K)
freemium
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
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