Best Kmax Fitness Apps

233+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.5★, the kmax fitness category is one of the App Store's strongest. Browse all 233+ apps we track, sorted so the most loved ones surface first.

Compare top Kmax Fitness Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1KMax FitnessKMax FitnessFreeNoNoJun 2026
2Flex AI Workout Trainer & LogFlex AI Workout Trainer & LogFree4.6★ (2.4K)NoYesSep 2026
3Muscle Booster Workout TrackerMuscle Booster Workout TrackerFree4.5★ (137K)NoYesSep 2026
4JustFit: Lazy Workout & FitJustFit: Lazy Workout & FitFree4.8★ (215K)NoYesSep 2026
5Planet FitnessPlanet FitnessFree4.9★ (799K)NoNoSep 2026
6FITIV Pulse - Workout TrackerFITIV Pulse - Workout TrackerFree4.6★ (13K)NoYesSep 2026
7TrueCoachTrueCoachFree4.9★ (35K)NoNoSep 2026
8Aaptiv: #1 Audio Fitness AppAaptiv: #1 Audio Fitness AppFree4.7★ (58K)NoYesSep 2026

Top Picks for Kmax Fitness

4.6😊(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
  • 👍 Clean and intuitive interface
  • 🚀 Seamless Apple Watch integration

Room to Improve

  • 🐛 Glitches and bugs
  • 💰 Expensive premium subscription
  • 🔒 Limited functionality without premium
  • 🐛 Inconsistent rest timer
  • 🐛 Workout data loss
Muscle Booster Workout Tracker#3

Muscle Booster Workout Tracker by WELLTECH APPS LIMITED

Gym calisthenics & weight loss
Worth Considering
💪 Health & Fitness
4.5😐(137K ratings)
FreeIn-App Purchases
#63in Health & Fitness
Muscle Booster Workout Tracker screenshot 1
Muscle Booster Workout Tracker screenshot 2
Muscle Booster Workout Tracker screenshot 3
Muscle Booster Workout Tracker screenshot 4
Muscle Booster Workout Tracker screenshot 5
Muscle Booster Workout Tracker screenshot 6

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.

What We Love

  • 🚀 Great workouts
  • 👍 Easy to follow
  • 👍 Variety of exercises
  • 🚀 Customizable plans
  • 👍 Helpful for beginners

Room to Improve

  • 🐛 Buggy app performance
  • 🔒 Lack of free trial
  • 💰 Expensive subscription
  • 👎 Limited gym equipment options
  • 👎 Repetitive exercises

More Kmax Fitness apps to explore

FAQ about Kmax Fitness

Are there free kmax fitness apps for iPhone?
Yes — 20 of the top kmax fitness apps we rank are free to download, including KMax Fitness and Flex AI Workout Trainer & Log.
KMax Fitness has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 233+ kmax fitness apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.