Best Flex AI Workout Trainer & Log alternatives: apps like Flex AI Workout Trainer & Log

10+ similar apps compared and reviewed

4.8 avg rating
10 free apps
Updated November 2026

Looking for something like Flex AI Workout Trainer & Log? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Flex AI Workout Trainer & Log

Setgraph: Gym Workout Tracker#1

Setgraph: Gym Workout Tracker by Setgraph LLC

Weight Lifting Strength Log
4.7😊(6.2K ratings)
FreeAdsIn-App Purchases
Setgraph: Gym Workout Tracker screenshot 1
Setgraph: Gym Workout Tracker screenshot 2
Setgraph: Gym Workout Tracker screenshot 3
Setgraph: Gym Workout Tracker screenshot 4
Setgraph: Gym Workout Tracker screenshot 5
Setgraph: Gym Workout Tracker screenshot 6

This app helps users plan and track their weightlifting workouts, focusing on progressive overload and personalized strength training. It offers fast logging, detailed analytics, and customization options to help users achieve their fitness goals.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Convenient workout tracking
  • πŸ“ˆ Helpful progress tracking and analytics
  • ⏱️ Useful rest timers
  • πŸ’» Clean and intuitive interface
  • 🀝 Responsive customer support

Room to Improve

  • πŸ’° Subscription-based model with limited free features
  • πŸ› Occasional bugs and crashes
  • πŸ”€ Difficulty organizing exercises and workouts
  • πŸ“Š Limited data visualization and analysis options
  • πŸ•°οΈ Lack of integration with external fitness apps/devices
4.8😊(6.1K ratings)
FreeIn-App Purchases
Caliber: Strength Training screenshot 1
Caliber: Strength Training screenshot 2
Caliber: Strength Training screenshot 3
Caliber: Strength Training screenshot 4
Caliber: Strength Training screenshot 5
Caliber: Strength Training screenshot 6

This app offers science-based strength training, including workout planning, tracking, and exercise tutorials. It supports individual training, group workouts, and offers optional upgrades for personalized plans, advanced features, and one-on-one coaching.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Comprehensive workout tracking
  • πŸ’‘ Customizable workouts
  • πŸ” Detailed exercise instructions and videos
  • πŸ“Š Strength score and progress tracking
  • 🀝 Responsive and helpful coaches
  • 🧠 Educational content and lessons

Room to Improve

  • πŸ› Occasional app crashes and bugs
  • πŸ” Limited offline functionality
  • πŸ’° Subscription model can be confusing
  • πŸ” Inconsistent video quality and exercise explanations
  • πŸ•°οΈ Frustrating user interface at times
Motra AI Workout Fitness Coach#3
4.7😊(3.1K ratings)
FreeIn-App Purchases
Motra AI Workout Fitness Coach screenshot 1
Motra AI Workout Fitness Coach screenshot 2
Motra AI Workout Fitness Coach screenshot 3
Motra AI Workout Fitness Coach screenshot 4
Motra AI Workout Fitness Coach screenshot 5
Motra AI Workout Fitness Coach screenshot 6

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.

What We Love

  • πŸš€ Accurate exercise detection
  • πŸ‘ Intuitive and easy to use
  • πŸš€ Seamless Apple Watch integration
  • πŸ‘ Helpful customer support
  • πŸš€ Efficient workout tracking
  • πŸ’‘ Innovative AI-powered features
  • πŸ‘ Motivating and encouraging

Room to Improve

  • πŸ› Inconsistent exercise detection
  • πŸ”’ Paywall for core features
  • πŸ› Syncing issues between devices
  • πŸ› Buggy app crashes
  • πŸ”’ Expensive subscription model

More apps like Flex AI Workout Trainer & Log

4
Planfit AI Gym Workout Planner
Planfit AI Gym Workout Planner
Planfit AI Gym Workout Planner
Personal Trainer Fitness Plans
Free

This AI-powered fitness planner creates personalized gym workout routines tailored to your goals, available equipment, and progress. It offers guidance on exercises, sets, reps, and rest times, helping you exercise smarter and achieve results whether you're at home or in the gym.

Personalized AI workout plansOptimized sets and repsMachine/equipment guide
πŸ’ͺ Health & Fitness
(8.4K)
free with in-app purchases
5
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
πŸ’ͺ Health & Fitness
(56K)
free with in-app purchases
6
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Build Muscle. Get Fit.
Free

This all-in-one fitness app offers personalized workout plans and meal suggestions to help you achieve your strength and fitness goals. Train at home or in the gym with programs designed by elite coaches, track your progress, and enjoy a variety of workout styles.

Personalized workout plansCustomizable for goals and experienceTrain at home or in the gym
πŸ’ͺ Health & Fitness
(21K)
free with in-app purchases
7
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
Training Log Fitness Planner
Free

This app helps you plan and track your strength training workouts. It offers a large exercise library with video guides, personalized AI-driven plans, and detailed progress analytics to help you achieve your fitness goals.

Smart logging and workout planner1,400+ exercises with video instructionsCustomizable workouts and supersets
πŸ’ͺ Health & Fitness
(47K)
free with in-app purchases
8
SHRED: Gym & Home Workouts
SHRED: Gym & Home Workouts
SHRED: Gym & Home Workouts
AI Personal Trainer & Tracker
Free

This AI-powered fitness app provides personalized workout plans that adapt to your progress and available equipment. It offers structured training paths, real-time coaching feedback, and progress tracking to help you achieve your fitness goals, whether at home or in the gym.

AI-powered personalized training plansAdaptive workouts based on progressEquipment-agnostic training (gym or home)
πŸ’ͺ Health & Fitness
(40K)
free with in-app purchases
9
GymStreak: AI Personal Trainer
GymStreak: AI Personal Trainer
GymStreak: AI Personal Trainer
Fitness Planner, Macro Counter
Free

This AI-powered fitness app generates personalized workout plans and tracks your nutrition by simply photographing your meals. It offers advanced analytics, an extensive exercise library, and seamless integration with wearables.

AI-powered personalized workout creatorSmart nutrition and macro tracking via photosAdvanced fitness analytics and progress charts
πŸ’ͺ Health & Fitness
(16K)
free with in-app purchases
10
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Workout & Fitness Trainer
Free

This app creates personalized, multi-week training plans adapted to your goals, schedule, and equipment. It offers expert video guidance, tracks progress, and celebrates personal records to keep you motivated. Train anywhere with flexible scheduling and hands-free options.

Personalized workout plansAI-optimized weights, sets, repsExpert video guidance
πŸ’ͺ Health & Fitness
(165K)
free with in-app purchases