Best 4X4 Hiit Apps

207+ iOS apps curated and reviewed

4.5 avg rating

18 free apps

Updated July 2026

Whether you're new to 4x4 hiit or looking for an upgrade, our curated collection of 207+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for 4X4 Hiit

#1

VO2 Flow: Norwegian 4x4 Timer by Discotto Labs L.L.C.

Norwegian 4x4 Interval Trainer

Editor's Choice

💪 Health & Fitness

0.0(0 ratings)

FreeAdsIn-App Purchases

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#2

4x4 HIIT by SIA Valabijs

Norwegian 4x4 HIIT Trainer

Strong Contender

💪 Health & Fitness

0.0(0 ratings)

Free

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#3

Workouts+ HIIT Interval Timer by Anuj Seth

Programmable gym workout timer

Worth Considering

💪 Health & Fitness

4.7😊(2.1K ratings)

FreeIn-App Purchases

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Design custom workout routines with integrated music, voice cues, or audio beeps. This app helps serious fitness enthusiasts track their progress without needing to constantly check a screen or notes. It offers pre-loaded exercise plans for various popular workouts.

What We Love

👍 Customizable workouts
🚀 Easy to use
🎶 Ability to play own music
🗣️ Voice prompts for exercises

Room to Improve

🔒 Restricted editing options without paying for pro version
🐛 Occasional app crashes
🔍 Difficulty finding edit option

More 4X4 Hiit apps to explore

Gold Standard for VO2 Max

This app guides you through the scientifically-backed Norwegian 4x4 HIIT protocol to efficiently boost your VO2 Max and cardiovascular health. It offers set-and-forget workouts with visual and audio cues, suitable for all fitness levels.

Norwegian 4x4 HIIT protocolSet-and-forget workout structureVisual and audio interval cues

💪 Health & Fitness

Norwegian 4x4 HIIT - Myworkout

Norwegian 4x4 HIIT - Myworkout

Improve VO2max & heart health

This app offers a science-backed cardio exercise program designed to improve health and prevent lifestyle diseases. It focuses on efficient workouts, measuring VO2 max with high accuracy, and integrating with popular fitness trackers. A premium subscription unlocks full features.

Time-efficient cardio workoutsVO2 max measurement and improvementPrevention of lifestyle diseases

💪 Health & Fitness

Interval Training Meter

This app guides you through High Intensity Interval Training (HIIT) workouts using your heart rate as a guide. It sequences exercise between high and low intensity intervals, displaying your progress on a speedometer-style dial. Warning chimes alert you if your heart rate falls outside the target zone.

High Intensity Interval Training (HIIT) guidanceHeart rate monitoring based on MHR percentageSpeedometer-style heart rate dial

💪 Health & Fitness

Interval Training Meter

This app guides you through High Intensity Interval Training (HIIT) workouts using your heart rate as a percentage of your Maximum Heart Rate (MHR). It features a speedometer-style dial to monitor your heart rate zones and provides chimes to keep you in target.

Heart rate zone monitoringSpeedometer-style dialWarning chimes for out-of-zone heart rate

💪 Health & Fitness

HIIT | Down Dog

HIIT | Down Dog

A new workout every time!

This app offers a dynamic high-intensity interval training (HIIT) experience with over 1000 unique exercises, ensuring you never do the same workout twice. It's beginner-friendly with customizable workout lengths, exercise types, and music to keep you motivated and prevent plateaus.

Over 1000 unique exercisesCustomizable workout length and intervalsSelectable exercise categories (upper body, core, etc.)

💪 Health & Fitness

Norwegian 4x4 Protocol

Norwegian 4x4 Protocol

BEST VO2 & HR MAX TRAINING APP

$6.99 | 14% OFF

This app guides you through the effective Norwegian 4x4 interval training method to boost cardiovascular performance and endurance. It features a precision timer, heart rate zone tracking, and progress monitoring for scientifically proven results.

Precision 4min work / 3min rest cyclesHeart rate zone tracking (90-95% max HR)VO2 Max improvement tracking

💪 Health & Fitness

Barry’s X: Best HIIT Training

Barry’s X: Best HIIT Training

Strength & Cardio Home Workout

Access a vast library of on-demand fitness classes including cardio, strength training, and stretching, all led by expert instructors. Track your performance with HealthKit integration to gain insights into your workouts and join a supportive digital fitness community.

On-demand fitness contentCardio, Lift, and Stretch workoutsExpert instructor-led classes

💪 Health & Fitness

Cardio Classes, Abs, Treadmill

Access over 10,000 immersive cardio and strength workouts led by expert trainers in stunning global locations. Personalized plans adapt to your fitness level and goals, whether you use equipment or just your bodyweight.

10,000+ on-demand workoutsExpert trainer-led sessionsGlobal location filming

💪 Health & Fitness

free with in-app purchases

HIIT • Workouts & Timer

HIIT • Workouts & Timer

24 Hour Fitness,Tabata,Cardio

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

SmartGym: Gym & Home Workouts

SmartGym: Gym & Home Workouts

HIIT, Home, Gym Weight Lifting

This app offers personalized workout plans for home or gym, adapting to your available equipment and fitness level. It tracks progress, provides feedback, and includes a vast library of exercises with animations. Enjoy features like HIIT support, custom timers, and sharing routines with friends.

AI-powered personalized workout plansAdapts to available equipmentTracks muscle fatigue and progress

💪 Health & Fitness

free with in-app purchases

4x4 Timer Interval Training

4x4 Timer Interval Training

Norwegian 4x4 Interval Timer

💪 Health & Fitness

Norwegian 4x4 workout

Norwegian 4x4 workout

Interval Training Timer

💪 Health & Fitness

Keelo - Strength HIIT Workouts

Keelo - Strength HIIT Workouts

Functional Fitness Training

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

free with in-app purchases

12 Minute Athlete

12 Minute Athlete

Achieve peak fitness with high-intensity interval training (HIIT) routines designed for busy schedules. Workouts are short, effective, and require minimal equipment, fitting into just 12 minutes a day. Access a vast library of exercises with video demonstrations and customizable options.

185+ full-body HIIT workouts12, 16 minute, or time challenge optionsStrength, cardio, interval, and core training

💪 Health & Fitness

free with in-app purchases

Volt: Gym & Home Workout Plans

Volt: Gym & Home Workout Plans

Fitness Training for Any Goal

This app provides AI-powered, personalized workout plans that adapt weekly to your fitness goals and available equipment. It offers structured training for general fitness, sport performance, and tactical readiness, with over 3,000 exercises and HD video demonstrations.

AI-powered adaptive workout plansHome and gym training optionsSport-specific training programs

💪 Health & Fitness

free with in-app purchases

Norwegian 4x4 Coach

Norwegian 4x4 Coach

Heart-rate interval coaching

💪 Health & Fitness

Ramp4x4: Cardio Fitness

Ramp4x4: Cardio Fitness

Norwegian 4x4 Workouts

💪 Health & Fitness

Related searches

norwegian 4x4 hiit - myworkout