1. Home
  2. Topics
  3. Flex Fitness

Best Flex Fitness Apps

237+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

Out of 237+ flex fitness apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Flex Fitness

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
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
Flex Fitness screenshot 2
Flex Fitness screenshot 3
Flex Fitness screenshot 4
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 apps to explore

4
Flex Fitness Woodland
Flex Fitness Woodland
Flex Fitness Woodland
by flex fitness woodland LLC
Free

Easily book fitness classes, manage your membership, and stay updated on services. Make reservations, join waitlists, and purchase class packages directly from your device.

Book classesManage reservationsJoin waitlists
πŸ’ͺ Health & Fitness
(2)
free
5
Flex Longevity
Flex Longevity
Flex Longevity
Ultimativni fitness doΕΎivljaj
Free
πŸ’ͺ Health & Fitness
(0)
6
Flex Fitness Club 24/7 Gym
Flex Fitness Club 24/7 Gym
Flex Fitness Club 24/7 Gym
by Treshna Enterprises
Free
πŸ’ͺ Health & Fitness
(0)
7
Ride SMART Flex
Ride SMART Flex
Ride SMART Flex
Ride On Demand with SMART!
Free

Book on-demand rideshare services in the Detroit Area. This app connects you with transit heading your way, offering an affordable, easy, and eco-friendly transportation option. Enjoy shared rides, lower prices, and reduced carbon emissions.

On-demand ride bookingShared ridesAffordable pricing
✈️ Travel
(2.2K)
free with in-app purchases
8
The Flex Fitness
The Flex Fitness
The Flex Fitness
by Myanmar Lifestyle Company Limited
Free

Easily book fitness classes and manage your gym membership from your phone. Make reservations, join waitlists, and check your profile and membership status on the go.

Book fitness classesManage membershipCheck profile status
πŸ’ͺ Health & Fitness
(3)
free
9
Flex Fitness Clubs
Flex Fitness Clubs
Flex Fitness Clubs
by Flex Fitness Club Inc.
Free

Track workouts, meals, and progress towards your fitness goals with personalized plans and real-time coach messaging. Connect wearable devices for instant body stat syncing and receive reminders for scheduled activities.

Workout and meal trackingPersonalized training plansProgress monitoring
πŸ’ͺ Health & Fitness
(0)
free
10
Peloton: Fitness & Workouts
Peloton: Fitness & Workouts
Peloton: Fitness & Workouts
Yoga, Cardio & Gym Training
Free

Access thousands of on-demand fitness classes from world-class instructors, including yoga, strength, cardio, and meditation. Transform any space into a private studio with motivating classes and music, suitable for all fitness levels and equipment availability.

Thousands of on-demand classesWorld-class instructorsStrength, yoga, running, HIIT, cycling, meditation
πŸ’ͺ Health & Fitness
(812K)
free with in-app purchases
11
Flex Inventory Management
Flex Inventory Management
Flex Inventory Management
by UniGroup, Inc.
Free

This app helps van operators, motor carriers, and packers digitize their household goods inventory and logistics shipments. It offers features like barcode scanning, photo documentation of damages, and digital paperwork to streamline operations on the go.

Digital inventory of household goodsShipment and order searchDamage documentation with photos
πŸ’Ό Business
(46)
free
12
Fitness Coach - Workout Plan
Fitness Coach - Workout Plan
Fitness Coach - Workout Plan
Lose Weight, Build Abs & Butt
Free

Personalized workout plans adapt to your fitness goals and level, whether you train at home, the gym, or outdoors. Access numerous training sessions and hundreds of exercises to target all muscle groups. Track your progress over time and stay motivated with 30-minute sessions.

Personalized workout programsGoal-based training adaptationDozens of training sessions
πŸ’ͺ Health & Fitness
(73K)
subscription
13
Livble - Split your rent
Livble - Split your rent
Livble - Split your rent
Pay rent on your own schedule
Free

This app allows users to pay their rent in flexible installments throughout the month. It offers a convenient way to manage rent payments on your own schedule.

Pay rent in installmentsFlexible payment schedulesManage rent payments
πŸ’° Finance
(1.9K)
free
14
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
15
FitOn Workouts & Fitness Plans
FitOn Workouts & Fitness Plans
FitOn Workouts & Fitness Plans
Cardio, Yoga & Pilates classes
Free

Access a vast library of free exercise videos and personalized fitness plans for weight loss and overall well-being. Work out with celebrity trainers, explore various class types, and enjoy guided meditations to reduce stress and improve sleep.

Free exercise videosPersonalized workout plansClasses with celebrity trainers
πŸ’ͺ Health & Fitness
(283K)
freemium
16
Texas Flex Fitness
Texas Flex Fitness
Texas Flex Fitness
by Texas Flex Fitness LLC
Free

This comprehensive fitness platform helps you track daily activities, body metrics, and progress. Access over 2000 exercises with 3D demonstrations, preset workouts, or create your own. Earn badges and sync with Apple Health for a complete fitness journey.

Track daily fitness activitiesMonitor weight and body metricsOver 2000 exercises with 3D demos
πŸ’ͺ Health & Fitness
(3)
free
17
Flex 'n Burn
Flex 'n Burn
Flex 'n Burn
30 Min CardioMuscular Workoutβ„’
Free

Access fitness classes and manage your account with this app. It offers a 30-minute workout combining high-tech machines and HIIT to maximize results and save time. Join studio classes to experience an efficient and effective fitness routine.

Book classesManage accountView locations
πŸ’ͺ Health & Fitness
(244)
ad-supported
18
Decks: Friendly home workouts
Decks: Friendly home workouts
Decks: Friendly home workouts
Stretch, flex, sweat, do yoga!
Free

This app offers home workouts with minimal equipment, suitable for all fitness levels. Customize routines, learn new exercises, and track your progress. Enjoy audio guidance and integrate with Apple Health and Music.

Curated exercise decksRemix and customize decksCreate custom decks
πŸ’ͺ Health & Fitness
(83)
free
19
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Watch Gym Strength Training
Free

This app automatically tracks your gym strength training exercises using only your Apple Watch's motion. It offers AI-generated personalized workouts based on your recovery and goals, eliminating manual logging.

Automatic exercise tracking with Apple Watch motionTracks over 470 exercise types hands-freeAI-generated personalized workout plans
πŸ’ͺ Health & Fitness
(3K)
free with in-app purchases
20
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

Related searches

flex fitness and workoutflex fitness trainingflex fitness bmi scaleflex fitness membersher flex fitnesstexas flex fitnessthe flex fitnessflex fitness woodlandflex fitness new zealand ltd.