Best apps like 4x4 Timer Interval Training

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated October 2026

4x4 Timer Interval Training is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to 4x4 Timer Interval Training

More apps like 4x4 Timer Interval Training

4
Unhook: Quit Lust & Reboot
Unhook: Quit Lust & Reboot
Unhook: Quit Lust & Reboot
#1 Science Based Porn Reboot
Free

This app offers a science-based system to help users break free from porn addiction. It combines neuroscience, habit psychology, and community support with tools like an AI coach, content blocker, and habit-building exercises.

Science-based recovery systemAI-powered coachingContent blocking
💪 Health & Fitness
(18)
freemium
5
Recovery+
Recovery+
Recovery+
by Xoda Pty Ltd
Free
💪 Health & Fitness
(0)
6
Workout Timer - Interval Timer
Workout Timer - Interval Timer
Workout Timer - Interval Timer
HIIT & Tabata Training Timer
Free

This app provides a customizable interval timer for HIIT and Tabata workouts. It offers unlimited timer creation with extensive sound and voice reading options, background notifications, and dark mode. All features are free to use.

Unlimited timer creationFolder classificationHigh timer setting freedom
💪 Health & Fitness
(23)
ad-supported
7
VO2 Max Trainer: HIIT, Zone 2
VO2 Max Trainer: HIIT, Zone 2
VO2 Max Trainer: HIIT, Zone 2
PACER, Beep, Cooper, Yoyo Test
Free

Measure, track, and improve your VO2 Max with a variety of fitness tests and personalized training plans. Features include HIIT and Zone 2 workouts, progress tracking, and integration with Apple Watch and HealthKit.

Measure VO2 Max with 5 fitness testsHIIT and Zone 2 trainingTrack progress and compare to leaderboards
💪 Health & Fitness
(4)
free with in-app purchases
8
Squats Counter
Squats Counter
Squats Counter
Squats Tracker & Workouts
Free

Easily track your daily squat count and progress towards your fitness goals. Set personal targets and view detailed statistics to monitor your performance over time. This app helps you stay motivated and consistent with your squatting routine.

Daily squat trackingSet squat goalsView statistics
💪 Health & Fitness
(18)
free with in-app purchases
9
Zone 2 AI: Vo2 Max & Endurance
Zone 2 AI: Vo2 Max & Endurance
Zone 2 AI: Vo2 Max & Endurance
Heart Rate Zones & Fitness Age
Free

This app guides you through personalized Zone 2 and high-intensity sprint training protocols to improve mitochondrial efficiency and maximize VO2 Max. It offers real-time feedback, projects future health outcomes, and tracks your progress towards longevity goals.

Personalized Zone 2 training guidanceNorwegian 4x4 Sprint ProtocolRate of Perceived Effort (RPE) feedback
💪 Health & Fitness
(130)
free with in-app purchases
10
KraftApp for Kieser Training
KraftApp for Kieser Training
KraftApp for Kieser Training
by Westhues Apps
Free

Manage your Kieser Training workouts digitally. Create, edit, and track your training plans, and access them across devices. Export your progress for trainer discussions.

Create and edit training plansManage multiple plansTraining mode for focus
💪 Health & Fitness
(0)
free with in-app purchases