Best 12 Fitness Calculators Apps

228+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our 12 fitness calculators list covers 228+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for 12 Fitness Calculators

12 Fitness Calculators#1

12 Fitness Calculators by Edward A. Greenwood, Inc.

Fitness & exercise calculators
Editor's Choice
💪 Health & Fitness
5.0(3 ratings)
Free
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This collection of fitness calculators provides a comprehensive set of tools to help you monitor your health and fitness, improve your workouts, and achieve your weight loss or gain goals. With 12 scientifically accurate calculators, you can track your progress, set targets, and make informed decisions about your diet and exercise routine.

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)
FreeAdsIn-App Purchases
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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!

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
AI Calorie Counter - Appediet#3

AI Calorie Counter - Appediet by Appediet Information PTE. LTD

Food, Macro & Fitness Tracker
Worth Considering
💪 Health & Fitness
4.8😊(45K ratings)
FreeIn-App Purchases
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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.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful AI assistant
  • 💡 Free barcode scanner
  • 🚀 Intuitive interface

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 AI analysis issues
  • 💰 Expensive subscription

More 12 Fitness Calculators apps to explore

4
Air & Space Fitness Calculator
Air & Space Fitness Calculator
Air & Space Fitness Calculator
Fitness Assessment Calculator
$0.99

A fitness assessment calculator app to calculate the USSF/USAF PFA scores for 2022. Track your fitness progress and ensure you meet the required standards. Download now for an efficient fitness assessment experience!

💪 Health & Fitness
(116)
5
Army Fitness Calculator
Army Fitness Calculator
Army Fitness Calculator
ACFT, APFT, and Body Comp
Free

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.

💪 Health & Fitness
(795)
6
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)
7
Planfit AI Gym Workout Planner
Planfit AI Gym Workout Planner
Planfit AI Gym Workout Planner
Workout Tracker Fitness Plans
Free

Planfit is a user-friendly workout planner app that helps you create and track your fitness routines, set goals, and stay motivated. Achieve your fitness goals easily with Planfit - start planning your workouts today!

💪 Health & Fitness
(7K)
8
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)
9
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Calorie & Macro Tracker
Free

Discover a comprehensive diet and fitness app that offers personalized meal plans, workout routines, and progress tracking tools for users to achieve their health goals. Take control of your well-being with Trifecta's tailored approach to nutrition and exercise. Start your journey to a healthier lifestyle today!

💪 Health & Fitness
(1.5K)
10
EGYM Fitness
EGYM Fitness
EGYM Fitness
Fitness App by EGYM
Free

Elevate your fitness routine with our all-in-one EGYM Fitness app! Monitor workouts, track progress, set goals, and stay motivated with personalized plans, challenges, and scheduling features. Get started on your fitness journey today!

💪 Health & Fitness
(147)
11
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Food, Fitness & Weight Tracker
Free

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!

💪 Health & Fitness
(2.3M)
12
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Personal Trainer: Muscle Coach
Free

Experience personalized weight lifting workout plans tailored to your fitness goals with a smart gym workout planner. Train efficiently at home or in the gym using advanced algorithms for optimal sets, reps, and weights. Subscription-based with HealthKit integration for seamless tracking. Visit the app for a smarter way to achieve your fitness aspirations.

💪 Health & Fitness
(3.2K)
13
MyBody: Health & Weight Loss
MyBody: Health & Weight Loss
MyBody: Health & Weight Loss
Meal Plan & Calorie Counter
Free

Klinio: A comprehensive health management app that tracks your medical records, appointments, and prescriptions all in one place. Stay on top of your healthcare with ease and convenience.

💪 Health & Fitness
(1.1K)
14
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Weight Loss, Meal Plan, Recipe
Free

Experience personalized weight loss support with a comprehensive keto diet app. Track macros effortlessly, access hundreds of recipes, and get expert guidance in reaching your goals quickly and efficiently. Start your journey towards better health today!

💪 Health & Fitness
(81K)
15
uFit AI: Gym & Fitness Planner
uFit AI: Gym & Fitness Planner
uFit AI: Gym & Fitness Planner
AI Personal Trainer & Workouts
Free

This fitness application helps you understand your body and reach your goals with personalized guidance, providing a custom workout plan and tracking progress. Take a photo to get instant health insights and start training with confidence to lose weight, build muscle, or stay healthy.

💪 Health & Fitness
(317)
16
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
(761K)
17
Running Walking Tracker Goals
Running Walking Tracker Goals
Running Walking Tracker Goals
Run, Walk & Jog Mile Distance
Free

Track your running and walking activities, set goals, and monitor your progress with this app designed to help you stay motivated and improve your fitness levels.

💪 Health & Fitness
(102K)
18
Map My Walk: Walking Tracker
Map My Walk: Walking Tracker
Map My Walk: Walking Tracker
GPS Step Counter, Weight Loss
Free

Track your walks, monitor your progress, and set fitness goals with this GPS walking app. Stay motivated and improve your health by easily tracking your walking routes and fitness achievements. Start your journey to better health today!

🌟 Lifestyle
(962)
19
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)
20
Calorie Deficit Calculator
Calorie Deficit Calculator
Calorie Deficit Calculator
Oatsy Macro Tracker Diet Coach
Free

Track your nutrition easily and achieve your weight loss goals with our app! Log food, water, and exercise effortlessly to become your healthiest self. Start now to track calories and macros effectively.

💪 Health & Fitness
(3.7K)