Best Fitness Calculator Apps

232+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our fitness calculator list covers 232+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Fitness Calculator

Army Fitness Calculator#1

Army Fitness Calculator by Benjamin Hultquist

ACFT, APFT, and Body Comp
Editor's Choice
💪 Health & Fitness
4.7😞(795 ratings)
FreeAdsIn-App Purchases
Army Fitness Calculator screenshot 1
Army Fitness Calculator screenshot 2
Army Fitness Calculator screenshot 3
Army Fitness Calculator screenshot 4
Army Fitness Calculator screenshot 5
Army Fitness Calculator screenshot 6

An application that helps military personnel calculate their fitness scores, including ACFT, APFT, body composition, and promotion points. Users can input scores, receive score results, access event instructions, and upgrade to Premium for additional features like score saving and progress tracking.

What We Love

  • 🚀 Up to Date
  • 👍 One of the best apps of its type
  • 👍 Just what I was looking for

Room to Improve

  • 🔒 Locks your old scores behind new Premium version
  • 🐛 Heats up quick
  • 🐛 Freezes Up iPhone
MyFitnessPal: Calorie Counter#2

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Food, Fitness & Weight Tracker
Strong Contender
💪 Health & Fitness
4.7😐(2.3M ratings)
FreeAdsIn-App Purchases
#1in Health & Fitness
MyFitnessPal: Calorie Counter screenshot 1
MyFitnessPal: Calorie Counter screenshot 2
MyFitnessPal: Calorie Counter screenshot 3
MyFitnessPal: Calorie Counter screenshot 4
MyFitnessPal: Calorie Counter screenshot 5
MyFitnessPal: Calorie Counter screenshot 6

Track your daily food intake, exercise, and weight goals with a user-friendly calorie counting app. Stay on top of your macros and diet while monitoring your progress towards a healthier lifestyle. Start your wellness journey today!

What We Love

  • 💪 Effective for weight loss/healthy eating
  • 🔍 Extensive food database
  • 📊 Helpful tracking and progress features
  • 🤝 Social features and community support

Room to Improve

  • 🐛 Buggy and glitchy app performance
  • 💰 Aggressive push for premium subscription
  • 📋 Inaccurate food data and calculations
BMI Calculator – Weight Loss#3

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Worth Considering
💪 Health & Fitness
4.5😞(26K ratings)
FreeIn-App Purchases
BMI Calculator – Weight Loss screenshot 1
BMI Calculator – Weight Loss screenshot 2
BMI Calculator – Weight Loss screenshot 3

Calculate your ideal weight with this BMI Calculator, suitable for all ages. Easily evaluate your weight using metric or imperial systems. Visit appovo.com/support for feedback or assistance.

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 Calculator apps to explore

4
BMI, BMR & Body Fat Calculator
BMI, BMR & Body Fat Calculator
BMI, BMR & Body Fat Calculator
BodyFat Percentage, TDEE, EER
Free

Track your health metrics with ease using this all-in-one application that calculates your Body Mass Index (BMI) and Basal Metabolic Rate (BMR). Take control of your fitness journey and achieve your wellness goals today.

💪 Health & Fitness
(320)
5
Fitness Coach - Workout Plan
Fitness Coach - Workout Plan
Fitness Coach - Workout Plan
Lose Weight, Build Abs & Butt
Free

Get personalized fitness plans tailored to your goals with the Fitness Coach app. Achieve your dream physique through custom workout routines and expert guidance. Start your fitness journey today!

💪 Health & Fitness
(73K)
6
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

Calculate your Body Mass Index effortlessly with this straightforward app designed for quick and easy BMI calculations. Start tracking your health today!

💪 Health & Fitness
(24K)
7
BMI Calculator - Fitness Track
BMI Calculator - Fitness Track
BMI Calculator - Fitness Track
Body Weight & Health Check
Free
💪 Health & Fitness
(0)
8
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

This application is a powerful tool for weight loss, offering calorie counting, nutrition tracking, and intermittent fasting features to help users reach their goals. With a comprehensive food library, barcode scanner, and other useful tools, it's a convenient way to achieve a healthier lifestyle and track progress. Start your weight loss journey now!

💪 Health & Fitness
(759K)
9
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Nutrition, macro, diet tracker
Free

Track your daily food intake and nutritional information with precision using this advanced calorie counter app. Set personal goals, monitor macros, and track your diet to maintain a healthy lifestyle. Download now for accurate and comprehensive food tracking.

💪 Health & Fitness
(93K)
10
Macro Calculator By Fittur
Macro Calculator By Fittur
Macro Calculator By Fittur
Calculate Macros Accurately
Free

Calculate accurate macros for fat loss, muscle building, or weight maintenance with this advanced macro calculator. Ditch outdated tracking methods and try the world's most precise macro tracker - download now to transform your nutrition goals!

💪 Health & Fitness
(4.1K)
11
Yoga-Go: Tai Chi & Pilates
Yoga-Go: Tai Chi & Pilates
Yoga-Go: Tai Chi & Pilates
Wall Pilates for Beginners
Free

Get in shape with a comprehensive yoga workout app that offers personalized routines for all levels. Achieve mind-body balance and flexibility from the comfort of your home. Download now to start your yoga journey!

💪 Health & Fitness
(89K)
12
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
Strength Log Gym Planner
Free
💪 Health & Fitness
(47K)
13
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Weight loss, diet, fitness app
Free

Get personalized weight loss plans and track your progress with HealthifyMe. Log your meals, monitor your fitness activities, and receive guidance from nutritionists to achieve your health goals. Start your journey to a healthier you today!

💪 Health & Fitness
(6K)
14
FITTR: Health & Fitness App
FITTR: Health & Fitness App
FITTR: Health & Fitness App
Health Tests, Workouts & Diets
Free

A health and fitness app with calorie tracking, workout routines, and community support. Get personalized plans, track your progress, and stay motivated on your fitness journey.

💪 Health & Fitness
(2.4K)
15
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Looking for a sleek and smart calorie counter with a free barcode scanner and food tracker? MyNetDiary is the ultimate personal assistant for weight loss, dieting, and nutrition. Users love its intuitive design and effectiveness in reaching fitness goals. Try it out today!

💪 Health & Fitness
(153K)
16
ArmyFit
ArmyFit
ArmyFit
Ace the AFT | Become a PT Stud
Free

Empower yourself with a comprehensive fitness tool designed for Army Combat Fitness Test (ACFT) preparation. Purchase fitness plans, track progress, calculate scores, watch instructional videos, and access various test-related features to enhance your training and performance.

💪 Health & Fitness
(4.9K)
17
Navy SEAL Fitness
Navy SEAL Fitness
Navy SEAL Fitness
Calcs and Helpful References
$1.99

Improve your health, strength, and endurance with an app that provides over 220 exercises, 90 movies, 20 calculators, and in-depth reference material inspired by Navy SEAL fitness training. Train like an elite Navy SEAL and access bonus nutritional resources for peak physical performance.

💪 Health & Fitness
(214)
18
AI Calorie Counter - Appediet
AI Calorie Counter - Appediet
AI Calorie Counter - Appediet
Food, Macro & Fitness Tracker
Free

Appediet is an AI-powered calorie counter app that helps users track their food intake and macros with ease. Take control of your diet and achieve your health goals effortlessly.

💪 Health & Fitness
(44K)
19
APFT App
APFT App
APFT App
APFT and Body Fat Calculator
Free

This fitness app helps users calculate their Army Physical Fitness Test score and body fat percentage, and allows them to save, edit, and share their results as PDF files. By downloading this app, users can easily track and manage their fitness data and generate reports in various formats.

🔧 Utilities
(70)
20
Health Checkup Fitness Test
Health Checkup Fitness Test
Health Checkup Fitness Test
Fitness test - Fitness tracker
Free

This health and fitness application helps users track and analyze their physical and mental well-being with various calculators and tests, such as blood sugar, blood pressure, and body mass index. Take control of your health by performing regular check-ups and monitoring your progress with this comprehensive home healthcare tool.

💪 Health & Fitness
(5)

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