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Best Flex Fitness And Workout Apps

225+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.4β˜…, the flex fitness and workout category is one of the App Store's strongest. Browse all 225+ apps we track, sorted so the most loved ones surface first.

Top Picks for Flex Fitness And Workout

Flex AI Workout Trainer & Log#1

Flex AI Workout Trainer & Log by Flex Artificial Intelligence Inc.

Fitness Tracker & Gym Planner
Editor's Choice
πŸ’ͺ Health & Fitness
4.7😊(2.4K ratings)
FreeIn-App Purchases
Flex AI Workout Trainer & Log screenshot 1
Flex AI Workout Trainer & Log screenshot 2
Flex AI Workout Trainer & Log screenshot 3
Flex AI Workout Trainer & Log screenshot 4
Flex AI Workout Trainer & Log screenshot 5
Flex AI Workout Trainer & Log screenshot 6

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.

What We Love

  • πŸš€ Detailed workout tracking
  • πŸ‘ Customizable workouts
  • πŸ”’ Comprehensive exercise library
  • πŸ’‘ Helpful progress tracking

Room to Improve

  • πŸ› Glitches and bugs
  • πŸ’° Expensive premium subscription
  • πŸ”’ Limited functionality without premium
LazyFit: Workout For Beginners#2

LazyFit: Workout For Beginners by Next Vision Limited

Chair Yoga,Tai Chi & Pilates
Strong Contender
πŸ’ͺ Health & Fitness
4.7😊(78K ratings)
FreeIn-App Purchases
#48in Health & Fitness
LazyFit: Workout For Beginners screenshot 1
LazyFit: Workout For Beginners screenshot 2
LazyFit: Workout For Beginners screenshot 3
LazyFit: Workout For Beginners screenshot 4
LazyFit: Workout For Beginners screenshot 5
LazyFit: Workout For Beginners screenshot 6

This app offers gentle, science-based workouts designed for beginners, seniors, and those with limited mobility. Access chair yoga, Pilates, Tai Chi, and walking routines from home, with personalized plans and progress tracking.

What We Love

  • πŸš€ Energetic and fun workouts
  • πŸ‘ Suitable for all fitness levels
  • πŸ™‚ Helpful for physical and mental health
  • πŸ’ͺ Noticeable results and improvements

Room to Improve

  • πŸ” Repetitive exercises
  • πŸ•°οΈ Timing issues with instructions
  • πŸ€• Not suitable for some injuries/conditions
Flex Fitness#3

Flex Fitness by AJWAN INTERNATIONAL CO. WLL

Fitness and Health
Worth Considering
πŸ’ͺ Health & Fitness
1.0(1 ratings)
Free
Flex Fitness screenshot 1
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Flex Fitness screenshot 5

This app promotes a lasting, active lifestyle by offering a high-quality fitness experience at an affordable cost. It aims to enhance people's lives and create a healthier world for everyone.

More Flex Fitness And Workout apps to explore

4
24GO by 24 Hour Fitness
24GO by 24 Hour Fitness
24GO by 24 Hour Fitness
Personalized Fitness Experi...
Free

This app provides personalized workout recommendations and thousands of fitness routines for both gym and home. It helps users track progress, schedule workouts, and integrate with fitness trackers. Access club information and check in easily with your membership.

Custom workout recommendationsThousands of workouts and plansAudio-guided cardio workouts
πŸ’ͺ Health & Fitness
(13K)
free with in-app purchases
5
atZone: Home Workout Partner
atZone: Home Workout Partner
atZone: Home Workout Partner
Home Workout Inspiration
Free

This app offers immersive and inspiring home workouts across various disciplines like running, cycling, and strength training. It features personalized training plans, on-demand classes, virtual journeys, and advanced motion tracking for guided strength sessions.

Personalized workout plansOn-demand fitness classesVirtual exercise journeys
πŸ’ͺ Health & Fitness
(266)
free
6
FitFlex: Workouts & Nutrition
FitFlex: Workouts & Nutrition
FitFlex: Workouts & Nutrition
AI Workouts & Calorie Track
Free

This app combines AI-powered workouts and nutrition tracking to help users achieve their fitness goals. It offers personalized plans for strength gain, fat loss, and home workouts, along with a meal scanner for instant calorie and macro tracking.

AI-powered personalized workoutsCalorie and macro trackingMeal photo scanner
πŸ’ͺ Health & Fitness
(29)
free with in-app purchases
7
GymBook ・ Strength Training
GymBook ・ Strength Training
GymBook ・ Strength Training
Workout Planner・Logger・Tracker
Free

Create, log, and analyze your gym workouts with this comprehensive fitness app. It offers custom exercise creation, detailed logging, and insightful performance analytics with interactive graphs. Track progress, sync data, and time your rests efficiently.

Create custom workouts and exercisesLog sets, weight, and repsTrack workout progress with graphs
πŸ’ͺ Health & Fitness
(2.4K)
free with in-app purchases
8
Ido: Gym Coach
Ido: Gym Coach
Ido: Gym Coach
Fitness App for Muscle Booster
Free

This app provides a comprehensive library of 3D fitness exercises and customizable workout plans. It acts as a personal trainer in your pocket, offering detailed guidance for muscle building and various fitness goals. Access workouts offline for convenience.

3D fitness exercises by certified trainerCustomizable workout plansExercises for all equipment types
πŸ’ͺ Health & Fitness
(946)
free with in-app purchases
9
Google Health (Fitbit)
Google Health (Fitbit)
Google Health (Fitbit)
Activity, Sleep & Nutrition
Free

Monitor your activity, sleep, nutrition, and stress levels to gain a comprehensive view of your well-being. Set goals, track progress, and access guided workouts and mindfulness sessions to improve your health journey.

Activity tracking (steps, distance, heart rate)Sleep monitoring and analysisNutrition and water intake logging
πŸ’ͺ Health & Fitness
(674K)
free with in-app purchases
10
Yoga for Weight Loss & more
Yoga for Weight Loss & more
Yoga for Weight Loss & more
Yoga Workout Classes for Home
Free

Access guided yoga sessions for weight loss, strength, flexibility, and stress relief. Personalized plans and progress tracking help build a consistent practice with world-class teachers. Sessions range from 5 minutes to an hour, fitting any schedule.

Personalized yoga plansGuided yoga sessionsProgress tracking
πŸ’ͺ Health & Fitness
(3.6K)
subscription
11
Macrofit Fitness
Macrofit Fitness
Macrofit Fitness
The Fitness App
Free

Access diverse fitness and sport-specific training programs led by professional athletes and trainers. Includes curated nutrition options, macro tracking, and workout logging to help you achieve your fitness goals.

Sport-specific workout programsProfessional athlete instructorsCurated nutrition and meal plans
πŸ’ͺ Health & Fitness
(5.8K)
free with in-app purchases
12
Flex Sports and Fitness
Flex Sports and Fitness
Flex Sports and Fitness
by Brock Flex LLC
Free
πŸ’ͺ Health & Fitness
(0)
13
Perfect Workout - Your Trainer
Perfect Workout - Your Trainer
Perfect Workout - Your Trainer
Your Personal Fitness Trainer
Free

Achieve your dream body with a personal fitness trainer that offers over 120 animated exercises. Work out anytime, anywhere in just 10 minutes a day with targeted exercise packs and progress tracking.

120+ animated exercisesTargeted exercise packsProgress tracking with weekly graphs
πŸ’ͺ Health & Fitness
(1.1K)
free with in-app purchases
14
CoryG Fitness
CoryG Fitness
CoryG Fitness
30 Minute Workouts
Free

Access quick, daily 30-minute workouts designed for busy schedules. Get new routines weekly, monthly programs for strength and leanness, and nutrition guidance. Join a supportive community and track your progress with extensive resources.

Daily 30-minute workoutsNew workouts weeklyMonthly transformation challenges
πŸ’ͺ Health & Fitness
(2.7K)
subscription
15
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
πŸ’ͺ Health & Fitness
(77K)
free with in-app purchases
16
Ab Workouts MMA+ FREE Core Strength Abdominal Flex
Ab Workouts MMA+ FREE Core Strength Abdominal Flex
Ab Workouts MMA+ FREE Core Strength Abdominal Flex
by App And Away Studios LLP
Free

Strengthen your core and learn mixed martial arts ground fighting techniques with this app. Developed by a Brazilian Jiu Jitsu expert, it offers unique exercises targeting all abdominal muscles, suitable for any fitness level. Improve fighting skills and build a strong core without special equipment.

24 Distinct MMA Ab Workout Exercises3 Intensity Levels3 Difficulty Levels
πŸ’ͺ Health & Fitness
(9)
free with in-app purchases
17
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
Personal Fitness Coach For Men
Free

This app acts as a digital personal trainer, offering customized workout plans and expert guidance to help users achieve their fitness goals. It provides step-by-step instructions, video tutorials, and motivational support, with a focus on science-based training and efficient recovery.

Customized workout routinesStep-by-step exercise guidanceVideo tutorials for proper form
πŸ’ͺ Health & Fitness
(576)
free with in-app purchases
18
Weight Lifting Tracker: WeFLEX
Weight Lifting Tracker: WeFLEX
Weight Lifting Tracker: WeFLEX
Fitness AI Weightlifting Coach
Free

This app acts as an AI-powered personal trainer and workout planner. It generates customized routines, tracks progress, and offers social features to keep users motivated. Whether you aim to lose weight, build muscle, or improve overall fitness, it adapts to your goals and experience level.

AI-powered workout generatorCustomizable workout plansSmart tracking of sets, reps, and calories
πŸ’ͺ Health & Fitness
(136)
freemium
19
CCFIT: Cristina Capron Fitness
CCFIT: Cristina Capron Fitness
CCFIT: Cristina Capron Fitness
Female Weight Loss & Exercise
Free

Achieve your fitness goals with personalized fat-burning and muscle-building workouts designed for women. Access hundreds of exercises, structured programs, and video demonstrations to guide your training. Track your progress and connect with a supportive community.

Fat-burning and muscle-building workoutsHundreds of exercises for all levelsStructured workout programs
πŸ’ͺ Health & Fitness
(2.5K)
freemium
20
RepCount - Gym Workout Tracker
RepCount - Gym Workout Tracker
RepCount - Gym Workout Tracker
Weight Lifting & Exercise Log
Free

This app helps you track and analyze your strength training workouts. Log unlimited exercises and programs for free, with an optional premium subscription for advanced features like supersets and detailed progress charts.

Workout loggingExercise creationWorkout program creation
πŸ’ͺ Health & Fitness
(13K)
freemium