Best Flex Fitness And Workout Apps

241+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

With an average user rating of 4.5★, the flex fitness and workout category is one of the App Store's strongest. Browse all 241+ apps we track, sorted so the most loved ones surface first.

Compare top Flex Fitness And Workout Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flex AI Workout Trainer & LogFlex AI Workout Trainer & LogFree4.7★ (2.4K)NoYesJul 2026
2GymDone: Workout Planner & LogGymDone: Workout Planner & LogFree4.8★ (372)YesYesJul 2026
3LazyFit: Workout For BeginnersLazyFit: Workout For BeginnersFree4.7★ (79K)NoYesJul 2026
4Flex FitnessFlex FitnessFree1.0★ (1)NoNoJul 2026
5RepCount - Gym Workout TrackerRepCount - Gym Workout TrackerFree4.9★ (13K)NoYesJul 2026
6CCFIT: Cristina Capron FitnessCCFIT: Cristina Capron FitnessFree4.9★ (2.5K)NoYesJul 2026
7GymBook ・ Strength TrainingGymBook ・ Strength TrainingFree4.8★ (2.4K)NoYesJul 2026
8atZone: Home Workout PartneratZone: Home Workout PartnerFree4.3★ (266)NoNoJul 2026

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
💪 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

  • 🚀 Detailed workout tracking
  • 👍 Customizable workouts
  • 🔒 Comprehensive exercise library
  • 💡 Helpful progress tracking

Room to Improve

  • 🐛 Glitches and bugs
  • 💰 Expensive premium subscription
  • 🔒 Limited functionality without premium
GymDone: Workout Planner & Log#2

GymDone: Workout Planner & Log by Gor Aghavelyan

Fitness Weight Lifting Tracker
Strong Contender
💪 Health & Fitness
4.8😊(372 ratings)
FreeAdsIn-App Purchases
GymDone: Workout Planner & Log screenshot 1
GymDone: Workout Planner & Log screenshot 2
GymDone: Workout Planner & Log screenshot 3
GymDone: Workout Planner & Log screenshot 4
GymDone: Workout Planner & Log screenshot 5
GymDone: Workout Planner & Log screenshot 6

This app serves as a personal trainer, offering guided workout videos for home or gym. It helps users build muscle, lose weight, and improve fitness with comprehensive plans and smart tracking features. Users can create custom routines or follow expert programs to achieve their fitness goals.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable workouts
  • 💪 Effective for building muscle
  • 🎥 Clear exercise videos

Room to Improve

  • 🐛 Sync issues with Apple Watch
  • 🐛 Bugs causing app crashes
  • 🔒 Difficult to unsubscribe
LazyFit: Workout For Beginners#3

LazyFit: Workout For Beginners by Next Vision Limited

Chair Yoga,Tai Chi & Pilates
Worth Considering
💪 Health & Fitness
4.7😊(79K ratings)
FreeIn-App Purchases
#55in 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

  • 🚀 Energetic and fun workouts
  • 👍 Suitable for all fitness levels
  • 🙂 Helpful for physical and mental health
  • 💪 Noticeable results and improvements

Room to Improve

  • 🔁 Repetitive exercises
  • 🕰️ Timing issues with instructions
  • 🤕 Not suitable for some injuries/conditions

More Flex Fitness And Workout apps to explore

4
Flex Fitness
Flex Fitness
Flex Fitness
Fitness and Health
Free

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.

Promotes active lifestyleHigh-quality fitness experienceAffordable cost
💪 Health & Fitness
(1)
free
5
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
💪 Health & Fitness
(13K)
freemium
6
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
💪 Health & Fitness
(2.5K)
freemium
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
💪 Health & Fitness
(2.4K)
free with in-app purchases
8
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
💪 Health & Fitness
(266)
free
9
The SLR Life
The SLR Life
The SLR Life
#1 Fitness App
Free

Access personalized fitness training and educational content from a renowned fitness instructor. Achieve your fitness goals with tailored workouts designed to sculpt lean muscles and build confidence. Enjoy engaging and effective sessions that adapt to your individual needs.

Personalized fitness trainingVirtual training optionsSculpting technique
💪 Health & Fitness
(19)
free
10
HIIT & Tabata: Interval Timer
HIIT & Tabata: Interval Timer
HIIT & Tabata: Interval Timer
Home Workout, Fitness, Gym
Free

This app provides a versatile interval timer for high-intensity interval training (HIIT) and Tabata workouts. It offers professionally designed routines, custom interval creation, and progress tracking, making fitness accessible anywhere.

HIIT and Tabata interval timerProfessionally designed workoutsCustomizable intervals
💪 Health & Fitness
(1.1K)
subscription
11
Dōse
Dōse
Dōse
More Muscle. More Life.
Free

This app provides evidence-based fitness guidance for fat loss, muscle gain, and sustainable body composition goals. It offers video demonstrations for exercises, a macro calculator, educational mini-lectures, and personalized coaching tips. Engage with a community and track progress with Apple Health integration.

Evidence-based fitness guidanceVideo exercise demonstrationsMacro calculator and guidelines
💪 Health & Fitness
(303)
free with in-app purchases
12
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
💪 Health & Fitness
(2.7K)
subscription
13
FitnessKit: PT Client Coach
FitnessKit: PT Client Coach
FitnessKit: PT Client Coach
Personal training & coaching
Free

Create custom workout plans, track your progress, and access a large exercise database with example videos. This app serves as a digital fitness passport for personal use or for training clients, eliminating the need for paper logs.

Create custom workout programsTrack progress over timeLarge exercise database
💪 Health & Fitness
(148)
ad-supported
14
GAINSBYBRAINS: Fitness & Food
GAINSBYBRAINS: Fitness & Food
GAINSBYBRAINS: Fitness & Food
Female Fitness App
Free

This app guides you on a personalized fitness and nutrition journey. Design custom workouts, explore diverse programs, and discover delicious, healthy meals to support your goals. Achieve a stronger, more confident you with expert-led content and a flexible schedule.

Personalized workout journeysCustomizable training schedulesDiverse fitness programs
💪 Health & Fitness
(941)
free with in-app purchases
15
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
💪 Health & Fitness
(5.8K)
free with in-app purchases
16
AllYou - Fitness App For Women
AllYou - Fitness App For Women
AllYou - Fitness App For Women
Home & Gym Workouts
Free

This fitness app offers personalized workout programs and meal plans designed for women. It features a variety of training styles, progress tracking, and a supportive community to help users achieve their health and confidence goals.

Personalized meal plans with recipesCustomized workout programsWeekly on-demand workouts
💪 Health & Fitness
(63)
freemium
17
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
💪 Health & Fitness
(30)
free with in-app purchases
18
Flex Your Feminine
Flex Your Feminine
Flex Your Feminine
Health & Fitness
Free

This app offers personalized workout and meal plans to help you achieve your fitness goals. It includes progress tracking, nutrition logging, and direct messaging with a coach for support and guidance.

Personalized workout plansCustomized nutrition and hydration trackingDirect messaging and video calls with coach
💪 Health & Fitness
(9)
free with in-app purchases
19
Stark Fitness
Stark Fitness
Stark Fitness
Exercise Workout Trainer
Free

Create custom workouts or follow guided routines with video instructions. Access a vast library of exercises and trainer-designed programs for any fitness goal, at home or in the gym. Integrates with Apple Health.

Video-guided workoutsCustom workout builder700+ exercise videos
💪 Health & Fitness
(806)
free with in-app purchases
20
Lumin Fitness
Lumin Fitness
Lumin Fitness
Smart Fitness Studio
Free

Experience a personalized group and individual training environment powered by AI and motion tracking. Select your preferred in-ear trainer and music to enhance your workout. Track your progress in key fitness areas and earn rewards.

AI-powered immersive workoutsPersonalized in-ear trainersCustomizable workout music
💪 Health & Fitness
(14)
free with in-app purchases

FAQ about Flex Fitness And Workout

What are the best flex fitness and workout apps for iPhone?
Flex AI Workout Trainer & Log tops our flex fitness and workout apps ranking as of July 2026, with a 4.7-star average from 2.4K App Store ratings, and it's free to download.
Yes — 20 of the top flex fitness and workout apps we rank are free to download, including Flex AI Workout Trainer & Log and GymDone: Workout Planner & Log.
Flex AI Workout Trainer & Log has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 241+ flex fitness and workout apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app acts as an AI personal trainer for weightlifters. It provides personalized workout plans, real-time feedback on exercise form using computer vision, and adaptive progression based on sports science principles. It also includes features to track progress, stay motivated, and connect with a community.
Key features include an AI coach that generates personalized workouts, patented real-time form feedback for exercises like squats and deadlifts, adaptive progression and deloading, strength curve tracking, visual progress graphs, and integration with Apple Watch. It also offers gamified elements like leaderboards and streaks.