Best Fitness Pro Calculator Apps

230+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated June 2026

BMI Calculator‰ is the household name in fitness pro calculator, but it's far from the only option. We track 230+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Fitness Pro Calculator Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BMI Calculator‰BMI Calculator‰Free4.9★ (24K)YesNoJul 2026
2Healthify: AI Calorie TrackerHealthify: AI Calorie TrackerFree4.6★ (6K)NoYesJul 2026
3Калькулятор ИМТ Индекс телаКалькулятор ИМТ Индекс телаFree4.5★ (27K)NoYesJul 2026
4AI Calorie Counter - AppedietAI Calorie Counter - AppedietFree4.8★ (46K)NoYesJul 2026
5Muscle Monster Workout PlannerMuscle Monster Workout PlannerFree4.7★ (9.2K)NoYesJul 2026
6Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoJul 2026
7Workout Trainer AIWorkout Trainer AIFree4.7★ (7.6K)YesYesJul 2026
8Navy SEAL FitnessNavy SEAL Fitness$1.994.9★ (214)NoNoJul 2026

Top Picks for Fitness Pro Calculator

BMI Calculator‰#1

BMI Calculator‰ by Tim O's Studios, LLC

Body Mass Index Calculator
Editor's Choice
💪 Health & Fitness
4.9😐(24K ratings)
FreeAds
BMI Calculator‰ screenshot 1
BMI Calculator‰ screenshot 2

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

What We Love

  • 🚀 Quick and easy to use
  • 👍 Straightforward interface
  • ✅ Accurate BMI calculations
  • 💡 Supports both metric and imperial units

Room to Improve

  • 🐛 Inability to input decimal values for height and weight
  • 🔍 Lacks advanced features like body composition analysis
  • 💸 Aggressive advertising interrupting usage
Healthify: AI Calorie Tracker#2

Healthify: AI Calorie Tracker by HealthifyMe Private Limited

Weight loss, diet, fitness app
Strong Contender
💪 Health & Fitness
4.6😞(6K ratings)
FreeIn-App Purchases
Healthify: AI Calorie Tracker screenshot 1
Healthify: AI Calorie Tracker screenshot 2
Healthify: AI Calorie Tracker screenshot 3
Healthify: AI Calorie Tracker screenshot 4
Healthify: AI Calorie Tracker screenshot 5
Healthify: AI Calorie Tracker screenshot 6

This app simplifies your health journey with AI-powered tools for weight loss, nutrition, and fitness. Track calories by photo or voice, log meals, and receive personalized AI insights and coaching. Monitor water intake, sleep, weight, and workouts for data-driven decisions.

What We Love

  • 🚀 Great app that tracks Indian food
  • 👍 Simple but powerful features
  • 💡 Love AI-powered features
  • 👍 Easy to use and track meals

Room to Improve

  • 🐛 Inaccurate calorie counting
  • 🐛 Storage issues with photo tracking
  • 🔒 Forced to pay for premium features
Калькулятор ИМТ Индекс тела#3

Калькулятор ИМТ Индекс тела by Steffen Mayer

Индекс массы тела
Worth Considering
💪 Health & Fitness
4.5😞(27K ratings)
FreeIn-App Purchases
Калькулятор ИМТ Индекс тела screenshot 1
Калькулятор ИМТ Индекс тела screenshot 2
Калькулятор ИМТ Индекс тела screenshot 3

Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.

What We Love

  • 🚀 Easy to use
  • 📊 Helps track progress
  • 💪 Motivates weight loss

Room to Improve

  • 🤕 Can cause insecurity
  • 🚫 Inaccurate BMI calculations
  • 🚨 Promotes unhealthy behaviors

More Fitness Pro Calculator apps to explore

4
AI Calorie Counter - Appediet
AI Calorie Counter - Appediet
AI Calorie Counter - Appediet
Food, Macro & Fitness Tracker
Free

Effortlessly track your food intake with AI-powered photo and barcode scanning. Get detailed nutritional breakdowns, personalized diet plans, and expert health advice to achieve your weight loss and wellness goals.

AI food photo scanningBarcode scanner for food entryDetailed nutritional breakdown
💪 Health & Fitness
(46K)
subscription
5
Muscle Monster Workout Planner
Muscle Monster Workout Planner
Muscle Monster Workout Planner
AI Gym & Home Fitness Exercise
Free

This AI-driven fitness app creates personalized workout plans for fat loss, muscle gain, and overall well-being. It offers over 1200 exercises and 500 workouts, catering to various equipment and fitness levels. Track your progress with detailed reports and integrate with Apple Health for a comprehensive view of your fitness journey.

AI-driven personalized workout plansOver 1200 exercises and 500 workoutsSupports various equipment and bodyweight training
💪 Health & Fitness
(9.2K)
free with in-app purchases
6
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto/low carb macro calculator
Free

Calculate your ideal macronutrient intake for ketogenic and other low-carb diets. This free tool helps you determine the right balance of fat, protein, and carbohydrates based on your individual goals and needs.

Macronutrient calculationKetogenic diet supportLow-carb diet support
💪 Health & Fitness
(8.4K)
free
7
Workout Trainer AI
Workout Trainer AI
Workout Trainer AI
Personalized fitness coaching
Free

Achieve your fitness goals with AI-powered personalized coaching. Access multimedia workouts, track various sports, log weightlifting, and connect with a supportive community. Enhance your training with advanced heart rate feedback and performance analysis.

AI personalized weekly plansMultimedia workouts for all levels70+ sports activities tracking
💪 Health & Fitness
(7.6K)
free with in-app purchases
8
Navy SEAL Fitness
Navy SEAL Fitness
Navy SEAL Fitness
Calcs and Helpful References
$1.99

This app provides a comprehensive guide to achieving elite physical fitness inspired by Navy SEAL training. It includes over 220 exercises, instructional videos, and numerous calculators and reference materials covering exercise physiology, training principles, and nutrition.

Over 220 exercises90+ instructional videos20+ fitness calculators
💪 Health & Fitness
(214)
paid
9
FITTR: Health & Fitness App
FITTR: Health & Fitness App
FITTR: Health & Fitness App
Health Tests, Workouts & Diets
Free

This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.

Health and lifestyle tracking via wearablesCalorie, protein, and body fat calculatorsSmart scale with 50+ health metrics
💪 Health & Fitness
(2.4K)
free with in-app purchases
10
Bodybuilding.com - Fitness App
Bodybuilding.com - Fitness App
Bodybuilding.com - Fitness App
Train, Track, Connect, Shop
Free

This app offers diverse workout options, from guided programs to custom routines, with detailed tracking of health metrics and progress. Connect with a community of users, earn rewards, and shop for supplements directly within the application.

Multiple guided workout stylesCustom workout program builderHealth metric tracking
💪 Health & Fitness
(29K)
free with in-app purchases
11
Army Fitness Calculator
Army Fitness Calculator
Army Fitness Calculator
ACFT, APFT, and Body Comp
Free

Calculate Army Fitness Test (ACFT, APFT) scores, body composition, and promotion points. Get target raw values for minimum, maximum, or 80% scores based on gender and age. Includes event instructions and links to official resources.

ACFT and APFT score calculationBody fat and Ht/Wt calculationPromotion points calculation
💪 Health & Fitness
(947)
free with in-app purchases
12
Calorie Deficit Calculator
Calorie Deficit Calculator
Calorie Deficit Calculator
Oatsy Macro Tracker Diet Coach
Free

This app helps you achieve your health and nutrition goals by tracking your food intake, water consumption, and exercise. It offers a comprehensive nutrition database, custom diet plans, and AI-powered food scanning to make logging easier.

Advanced food diary with large nutrition databaseCalorie and macro/micronutrient trackingCustomizable diet plans (Keto, Intermittent Fasting, etc.)
💪 Health & Fitness
(3.7K)
free with in-app purchases
13
Full Fitness : Workout Trainer
Full Fitness : Workout Trainer
Full Fitness : Workout Trainer
#1 Exercise Planner & Booster
Free

This comprehensive fitness app offers hundreds of exercises with detailed instructions, custom routine building, and progress tracking. It includes pre-defined routines, cardio and stretch options, food logging, and workout scheduling to help users achieve their fitness goals.

Hundreds of exercises with images and textVideo instructions for complex exercisesCustom exercise routine builder
💪 Health & Fitness
(10K)
free with in-app purchases
14
Tempo: Home Workout & Fitness
Tempo: Home Workout & Fitness
Tempo: Home Workout & Fitness
Weight Loss Classes & Home Gym
Free

This app offers personalized strength training using your body's biometrics. It adapts workouts based on your daily readiness, sleep, and activity levels, providing real-time AI-powered guidance on form and weight recommendations. Track progress with detailed body composition scans and range of motion analysis.

Biometric-based adaptable training plansAI-powered real-time form guidanceBody composition scanning
💪 Health & Fitness
(7.2K)
free with in-app purchases
15
Spren Body Composition Scanner
Spren Body Composition Scanner
Spren Body Composition Scanner
Measure Body Fat Percentage
Free

This app uses your smartphone to measure body fat percentage, BMI, and body composition. It provides detailed health reports, tracks weight loss, and offers personalized nutrition plans, acting as a smart scale alternative with research-grade analysis.

Body fat percentage measurementBMI calculatorBody composition analysis
💪 Health & Fitness
(1.5K)
free with in-app purchases
16
Pro Cal - AI Calorie Counter
Pro Cal - AI Calorie Counter
Pro Cal - AI Calorie Counter
AI Calorie & Food Tracker
Free

Easily track your calorie intake and monitor your nutrition with an AI-powered food diary. This app offers accurate calorie counting, nutrient tracking, and personalized diet plans. Visualize your progress with colorful charts and reports to support your health goals.

AI food recognition via photoAccurate calorie countingNutrient tracking (carbs, protein, etc.)
💪 Health & Fitness
(14K)
free with in-app purchases
17
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported
18
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
💪 Health & Fitness
(56K)
free with in-app purchases
19
Fitness Calc Pro
Fitness Calc Pro
Fitness Calc Pro
26 Health & Fitness Calculator
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
20
SmartGym: Gym & Home Workouts
SmartGym: Gym & Home Workouts
SmartGym: Gym & Home Workouts
HIIT, Home, Gym Weight Lifting
Free

This app offers personalized workout plans for home or gym, adapting to your available equipment and fitness level. It tracks progress, provides feedback, and includes a vast library of exercises with animations. Enjoy features like HIIT support, custom timers, and sharing routines with friends.

AI-powered personalized workout plansAdapts to available equipmentTracks muscle fatigue and progress
💪 Health & Fitness
(33K)
free with in-app purchases

FAQ about Fitness Pro Calculator

What are the best fitness pro calculator apps for iPhone?
BMI Calculator‰ tops our fitness pro calculator apps ranking as of June 2026, with a 4.9-star average from 24K App Store ratings, and it's free to download.
Yes — 19 of the top fitness pro calculator apps we rank are free to download, including BMI Calculator‰ and Healthify: AI Calorie Tracker.
BMI Calculator‰ shows ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 230+ fitness pro calculator apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app is designed to help you calculate your Body Mass Index (BMI). You simply input your height and weight, and the app will provide your BMI value.
To use the app, you will need to enter your height and weight. The application will then process this information to display your calculated BMI.