Best Fitness AI Apps

247+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

The best fitness ai apps on iPhone average 4.5★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Fitness AI Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fitness AI Gym Workout PlannerFitness AI Gym Workout PlannerFree4.7★ (56K)YesYesSep 2026
2Fitbod: Gym & Fitness PlannerFitbod: Gym & Fitness PlannerFree4.8★ (285K)NoYesSep 2026
3Zing AI: Home & Gym WorkoutsZing AI: Home & Gym WorkoutsFree4.8★ (31K)NoYesSep 2026
4Cal AI - Calorie TrackerCal AI - Calorie TrackerFree4.8★ (364K)YesYesSep 2026
5Coachify AI: Workout PlannerCoachify AI: Workout PlannerFree4.6★ (2K)NoYesSep 2026
6Fitness AI - Personal TrainingFitness AI - Personal TrainingFreeNoYesSep 2026
7Alive by Whitney SimmonsAlive by Whitney SimmonsFree4.9★ (44K)NoYesSep 2026
8Fitness AI Planner Gym TrackerFitness AI Planner Gym TrackerFree5.0★ (1)NoYesMay 2026

Top Picks for Fitness AI

Fitness AI Gym Workout Planner#1

Fitness AI Gym Workout Planner by FitnessAI Inc.

Personal Trainer: Muscle Coach
Editor's Choice
💪 Health & Fitness
4.7😊(56K ratings)
FreeAdsIn-App Purchases
Fitness AI Gym Workout Planner screenshot 1
Fitness AI Gym Workout Planner screenshot 2
Fitness AI Gym Workout Planner screenshot 3
Fitness AI Gym Workout Planner screenshot 4
Fitness AI Gym Workout Planner screenshot 5
Fitness AI Gym Workout Planner screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🔍 Detailed exercise instructions
  • 📈 Tracks progress and adjusts workouts
  • 👍 Customizable to equipment available
  • 💪 Helps build strength and muscle
  • 🤖 Adaptive AI-powered workouts

Room to Improve

  • 🔢 Limited exercise selection
  • 🕰️ No warm-up or cool-down options
  • 🤔 Difficulty adjusting workouts
  • 🔍 Lack of exercise substitution options
  • 🤖 AI sometimes overestimates abilities
  • 🔌 Syncing issues with Apple Watch
Fitbod: Gym & Fitness Planner#2

Fitbod: Gym & Fitness Planner by Fitbod Inc.

AI Personal Trainer & Workouts
Strong Contender
💪 Health & Fitness
4.8😊(285K ratings)
FreeIn-App Purchases
#18in Health & Fitness
Fitbod: Gym & Fitness Planner screenshot 1
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Fitbod: Gym & Fitness Planner screenshot 5
Fitbod: Gym & Fitness Planner screenshot 6

This app creates personalized AI-driven workout plans to help you build muscle, gain strength, and lose weight. It adapts to your fitness level and available equipment, offering over 1000 exercises with video guides. Track your progress and get support from trainers.

What We Love

  • 🚀 Great alternative to expensive personal trainer
  • 👍 Customizable workouts
  • 👍 Variety of exercises
  • 👍 Tracks progress and muscle recovery
  • 👍 Helpful instructions and videos
  • 👍 Affordable compared to a personal trainer

Room to Improve

  • 🐛 Occasional app crashes and sync issues
  • 🔧 Workout recommendations don't always make sense
  • 🔧 Limited ability to customize workouts
  • 🔧 Weights/reps recommendations can be inaccurate
  • 🔧 Lack of personalization options (e.g. changing app theme)
Zing AI: Home & Gym Workouts#3

Zing AI: Home & Gym Workouts by Zing Coach Inc.

Fitness Tracker & Planner
Worth Considering
💪 Health & Fitness
4.8😐(31K ratings)
FreeIn-App Purchases
Zing AI: Home & Gym Workouts screenshot 1
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Zing AI: Home & Gym Workouts screenshot 4
Zing AI: Home & Gym Workouts screenshot 5
Zing AI: Home & Gym Workouts screenshot 6

This AI-powered fitness coach provides personalized workout plans and real-time feedback using your smartphone's camera. It analyzes body composition, tracks progress, and adapts routines based on your energy levels, mood, and sleep for a transformative fitness journey.

What We Love

  • 🚀 Customizable workouts
  • 👍 Variety of exercises
  • 🤖 AI-powered coaching
  • 💪 Effective for building muscle
  • 🤩 Motivating and engaging
  • ⏱️ Manageable workout lengths
  • 🔍 Personalized based on fitness level

Room to Improve

  • 🐛 Glitches and connectivity issues
  • 🤖 AI not always accurate or adaptive
  • 💰 Expensive subscription model
  • 🤷‍♀️ Lack of customization options
  • 🕰️ Long rest periods between exercises
  • 🚫 Limited exercise library
  • 🤔 Confusing or misleading pricing

More Fitness AI apps to explore

FAQ about Fitness AI

What are the best fitness ai apps for iPhone?
Fitness AI Gym Workout Planner tops our fitness ai apps ranking as of September 2026, with a 4.7-star average from 56K App Store ratings, and it's free to download.
Yes — 20 of the top fitness ai apps we rank are free to download, including Fitness AI Gym Workout Planner and Fitbod: Gym & Fitness Planner.
Fitness AI Gym Workout Planner shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 247+ fitness ai apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Fitness AI Gym Workout Planner uses an advanced algorithm to create personalized workout routines for both home and gym settings. It guides you through optimal sets, reps, and weights to help you achieve your fitness goals, whether it's building muscle, getting toned, or losing weight.
Key features include personalized AI-driven workout plans, optimized sets, reps, and weights for each exercise, options for home and gym workouts, and the ability to track and log your progress. The app also offers progressive overload optimization for muscle building.

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