Best High Intensity Workout App

220+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated June 2026

Finding the right high intensity workout app app can be overwhelming with so many options. We've analyzed 220+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for High Intensity Workout App

Interval Timer Tabata Workout#1

Interval Timer Tabata Workout by Velocity Raptor Incorporated

HIIT 7-Minute, CrossFit & WoD
Editor's Choice
💪 Health & Fitness
4.5😞(967 ratings)
FreeIn-App Purchases
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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.

What We Love

  • 👍 Customizable workouts
  • 🎵 Ability to use own music
  • ⏱️ Helpful interval timer
  • 🔥 Effective for HIIT training

Room to Improve

  • 🐛 Glitchy music playback
  • 💰 Expensive premium version
  • 🔒 Limited free features
Aaptiv: #1 Audio Fitness App#3

Aaptiv: #1 Audio Fitness App by AAPTIV INC.

Personal Training for Everyone
Worth Considering
💪 Health & Fitness
4.7😐(58K ratings)
FreeAdsIn-App Purchases
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This AI-powered fitness app offers personalized audio and video workouts led by expert trainers. It creates custom plans based on your goals and abilities, tracks your progress, and provides motivational music and community support.

What We Love

  • 🚀 Motivating and engaging workouts
  • 👍 Variety of workout types and durations
  • 🚀 Convenient audio-only format
  • 👍 Knowledgeable and encouraging trainers

Room to Improve

  • 🐛 Buggy app with crashes and issues
  • 🔇 Music not synced well with workouts
  • 💰 Expensive subscription fees

More High Intensity Workout App apps to explore

4
Workout for Seniors: SeniorFit
Workout for Seniors: SeniorFit
Workout for Seniors: SeniorFit
Chair Tai Chi & Chair Yoga
Free

This app offers low-impact workouts designed for seniors to improve strength, flexibility, and balance. It provides clear instructions, personalized plans, and progress tracking to help older adults stay active and healthy at home.

Low-impact workouts for seniorsChair Tai Chi and Chair Yoga routinesStep-by-step instructions with videos
💪 Health & Fitness
(8.2K)
subscription
5
Workouts+ HIIT Interval Timer
Workouts+ HIIT Interval Timer
Workouts+ HIIT Interval Timer
Programmable gym workout timer
Free

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.

Create custom workout routinesIntegrate music with workoutsVoice cues and audio beeps
💪 Health & Fitness
(2.1K)
free with in-app purchases
6
Flex AI Workout Trainer & Log
Flex AI Workout Trainer & Log
Flex AI Workout Trainer & Log
Fitness Tracker & Gym Planner
Free

This app uses AI to provide personalized workout plans and real-time form feedback for weightlifters. It tracks progress, offers adaptive progression, and includes motivational features like leaderboards and streaks. It's designed for all experience levels, from beginners to pros.

AI personal trainerReal-time form feedbackPersonalized workout plans
💪 Health & Fitness
(2.4K)
freemium
7
Barry’s X: Best HIIT Training
Barry’s X: Best HIIT Training
Barry’s X: Best HIIT Training
Strength & Cardio Home Workout
Free

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
(2.1K)
subscription
8
Muscle Booster Workout Tracker
Muscle Booster Workout Tracker
Muscle Booster Workout Tracker
Calisthenics, Chair, Gym Plans
Free

This app acts as a personal trainer, creating customized workout plans for muscle gain, weight loss, or recovery. It offers a vast library of exercises and challenges for home or gym, adapting to your available equipment and goals.

Personalized workout plans1000+ exercise libraryHome and gym workouts
💪 Health & Fitness
(134K)
free with in-app purchases
9
Gymaholic: Workout Tracker
Gymaholic: Workout Tracker
Gymaholic: Workout Tracker
Weight Lifting Routine Planner
Free

This app helps you track workouts, build custom routines, and monitor progress. It offers a large exercise library with instructions and animations, seamless Apple Watch integration, and health app syncing. Optimize your training with built-in timers and voice guidance.

Track every workout (sets, reps, weights)Create personalized workout routinesAccess 850+ exercises with 3D animations
💪 Health & Fitness
(3.4K)
freemium
10
Radiance: Home Fitness Workout
Radiance: Home Fitness Workout
Radiance: Home Fitness Workout
Dance & Exercise for Women
Free

This app offers a comprehensive approach to well-being, combining home fitness routines, personalized meal planning, and mindfulness exercises. It features guided workouts, a large recipe cookbook, and tools for stress reduction and better sleep, all designed to help users achieve their health and happiness goals.

On-demand home fitness workoutsPilates and dance exercisesPersonalized meal plans
💪 Health & Fitness
(39)
free with in-app purchases
11
7 Minute Workout by C25K®
7 Minute Workout by C25K®
7 Minute Workout by C25K®
HIIT Exercise Weight Loss
Free

This app offers a scientifically proven 7-minute high-intensity interval training (HIIT) workout designed for maximum fat burning. It requires no equipment and includes instructional videos and motivational achievements to keep users engaged. Tailored workouts are available for various fitness levels and specific needs, like runners.

Scientifically proven HIIT programNo equipment requiredInstructional videos for exercises
💪 Health & Fitness
(1.8K)
free with in-app purchases
12
Gentler Streak Workout Tracker
Gentler Streak Workout Tracker
Gentler Streak Workout Tracker
Activity & Exercise Progress
Free

This app provides personalized fitness guidance that adapts to your daily capabilities, encouraging consistent movement without overexertion. It offers detailed sleep analysis, step tracking with trend overviews, and cycle-synced activity suggestions. Track workouts, manage intensity, and maintain your activity streak on your terms.

Personalized daily readiness assessmentFull sleep analysis and trendsCycle-synced activity suggestions
💪 Health & Fitness
(8.8K)
free with in-app purchases
13
High Ride Cycle
High Ride Cycle
High Ride Cycle
High Intensity Indoor Cycling
Free

Experience high-intensity indoor cycling classes that sync with the music. Instructors lead you through 45-minute workouts incorporating various movements for a full-body challenge. Enjoy a motivating atmosphere with music, lighting, and energy.

Music-driven cycling classes45-minute high-intensity workoutsFull-body strengthening movements
💪 Health & Fitness
(650)
ad-supported
14
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Daily Exercise & Gym Training
Free

Track all your physical activities, from gym workouts to yoga, and monitor progress with detailed stats. Plan personalized routines, access exercise videos, and sync with wearables and other health apps. Achieve your fitness goals with community support and advanced insights.

Log over 600 activitiesTrack distance, pace, calories, heart rateGPS tracking for outdoor sessions
💪 Health & Fitness
(77K)
free with in-app purchases
15
Fierce45 2.0
Fierce45 2.0
Fierce45 2.0
High-Intensity Pilates
Free

Experience a highly efficient full-body workout combining resistance machine exercises and bodyweight movements. This app offers high-intensity Pilates designed for cardio, strength, and muscle toning, all within a 45-minute session. Get ready to sweat and feel the difference with a focus on alignment and mindful movement.

High-intensity PilatesFull-body workoutsResistance machine training
💪 Health & Fitness
(885)
free with in-app purchases
16
7 Minute Workout Challenge
7 Minute Workout Challenge
7 Minute Workout Challenge
by Fitness Guide Inc
$3.99

This app guides you through a research-backed, high-intensity workout program designed to be completed in just over seven minutes. It requires no equipment and can be done anywhere, offering video, audio, and text guidance. Track your progress, weight, and unlock achievements to stay motivated.

Guided video, audio, and text workoutsNo equipment requiredProgress tracking (activity calendar, weight tracker)
💪 Health & Fitness
(5.8K)
free with in-app purchases
17
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
HRV, Sleep & Heart Rate Zones
Free

This app is a comprehensive health and fitness tracker that monitors workouts, heart rate, sleep, and recovery. It provides actionable insights to help users train smarter and achieve their fitness goals.

Heart rate zone trainingHRV and recovery trackingSleep monitoring
💪 Health & Fitness
(13K)
free with in-app purchases
18
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Personal Trainer: Muscle Coach
Free

This app uses an advanced algorithm to create personalized workout plans for home or gym. It optimizes sets, reps, and weights to help you build muscle, get toned, or lose weight efficiently. Track your progress and achieve your fitness goals with data-driven routines.

Personalized AI workout plansOptimized sets, reps, and weightsHome and gym workout options
💪 Health & Fitness
(56K)
free with in-app purchases
19
Athlytic: AI Fitness Coach
Athlytic: AI Fitness Coach
Athlytic: AI Fitness Coach
HRV Based Training & Recovery
Free

This app analyzes your Apple Watch data to provide personalized insights into your recovery, exertion, and sleep. It offers daily recommendations for training, sleep targets, and bedtime, along with 24/7 health monitoring and detailed workout analysis.

HRV-based recovery analysisTargeted exertion guidancePersonalized sleep recommendations
💪 Health & Fitness
(10K)
free with in-app purchases
20
MyTraining Workout Tracker Log
MyTraining Workout Tracker Log
MyTraining Workout Tracker Log
Home & Gym Workouts
Free

Track your fitness journey with a comprehensive workout planner and exercise library. Access pre-defined routines, log your progress, and connect with a supportive community. Features video demonstrations and integration with health apps.

+120 Predefined Workouts+350 Exercises with VideosTraining Calendar
💪 Health & Fitness
(543)
freemium