Best Gym Weight Calculator Apps

222+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Out of 222+ gym weight calculator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Gym Weight Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Bar Is Loaded - Gym CalculatorBar Is Loaded - Gym CalculatorFree4.8★ (251)NoYesJul 2026
2Barbell Plate CalculatorBarbell Plate CalculatorFree was $4.994.8★ (236)YesYesJul 2026
3BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (27K)NoYesJul 2026
4MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.3M)YesYesJul 2026
5Gymverse: Gym Workout PlannerGymverse: Gym Workout PlannerFree4.8★ (164K)NoYesJul 2026
6JEFIT Workout Plan Gym TrackerJEFIT Workout Plan Gym TrackerFree4.8★ (47K)YesYesJul 2026
7Lyfta: Gym Workout Tracker LogLyfta: Gym Workout Tracker LogFree4.8★ (5.8K)YesYesJul 2026
8Liftoff - Ranked Gym WorkoutsLiftoff - Ranked Gym WorkoutsFree4.8★ (86K)NoYesJul 2026

Top Picks for Gym Weight Calculator Apps

Bar Is Loaded - Gym Calculator#1

Bar Is Loaded - Gym Calculator by Danny Li

It's leg day, not brain day.
Editor's Choice
💪 Health & Fitness
4.8😊(251 ratings)
FreeIn-App Purchases
Bar Is Loaded - Gym Calculator screenshot 1
Bar Is Loaded - Gym Calculator screenshot 2
Bar Is Loaded - Gym Calculator screenshot 3
Bar Is Loaded - Gym Calculator screenshot 4
Bar Is Loaded - Gym Calculator screenshot 5
Bar Is Loaded - Gym Calculator screenshot 6

This app simplifies weightlifting calculations, instantly determining the correct plates to load onto a barbell. It offers custom settings for inventory and a reverse calculator, along with tools for meet preparation and performance scoring.

What We Love

  • 👍 Extremely user-friendly and intuitive interface
  • 🚀 Fast and accurate plate loading calculations
  • 💰 Completely free with no ads or subscriptions
  • 🧠 Eliminates mental math during workouts

Room to Improve

  • 🐛 Frequent crashes and infinite loading screens
  • 🐛 5kg calculation glitch in reverse section
  • 🐛 Inconsistent weight calculations with kg plates
Barbell Plate Calculator#2

Barbell Plate Calculator by XD Software Solutions LLC

Plate math made simple
Strong Contender
💪 Health & Fitness
4.8(236 ratings)
FreeAdsIn-App Purchases
Barbell Plate Calculator screenshot 1
Barbell Plate Calculator screenshot 2
Barbell Plate Calculator screenshot 3
Barbell Plate Calculator screenshot 4
Barbell Plate Calculator screenshot 5
Barbell Plate Calculator screenshot 6

Easily calculate the barbell plates needed to reach a target weight or determine the total weight on a loaded bar. This app simplifies weightlifting math, allowing you to focus on your workout. It offers customizable options and a timer for tracking exercises.

BMI Calculator – Weight Loss#3

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Worth Considering
💪 Health & Fitness
4.5😞(27K ratings)
FreeIn-App Purchases
BMI Calculator – Weight Loss screenshot 1
BMI Calculator – Weight Loss screenshot 2
BMI Calculator – Weight Loss 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 Gym Weight Calculator Apps apps to explore

4
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Food, Fitness & Weight Tracker
Free

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

AI Food TrackerCalorie and Macro TrackingWater Intake Monitoring
💪 Health & Fitness
(2.3M)
free with in-app purchases
5
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Weight Lifting Fitness Trainer
Free

This AI-powered fitness trainer creates personalized, multi-week workout plans that adapt to your progress and goals. It offers expert video guidance for each exercise, tracks your progress visually, and provides motivational insights. Enjoy tailored workouts that avoid disliked or injured areas, with options for strength training, cardio, and more.

AI-generated personalized workout plansAdaptive training based on progressExpert video exercise guidance
💪 Health & Fitness
(164K)
free with in-app purchases
6
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
Fitness & Workout Tracker
Free

This app helps you achieve fitness goals with personalized workout plans, detailed exercise instructions, and progress tracking. Log your weight, reps, and sets, and gain insights into your training effectiveness. It supports strength tracking and syncs with Apple Health and smartwatches.

Personalized daily workout plans1,400+ exercises with HD videoWorkout logging and progress tracking
💪 Health & Fitness
(47K)
free with in-app purchases
7
Lyfta: Gym Workout Tracker Log
Lyfta: Gym Workout Tracker Log
Lyfta: Gym Workout Tracker Log
Weight Lifting Routine Planner
Free

This app helps gym-goers track their workouts, build custom routines, and monitor strength progress. It features a large exercise library with video guides, social features to connect with friends, and motivational challenges. Users can log sets, reps, weight, and PRs to achieve their fitness goals.

Workout loggingCustom routine builderProgress tracking
💪 Health & Fitness
(5.8K)
free with in-app purchases
8
Liftoff - Ranked Gym Workouts
Liftoff - Ranked Gym Workouts
Liftoff - Ranked Gym Workouts
Weight Lifting Routine Planner
Free

This app helps you track your gym performance with over 400 exercises. Log workouts, visualize progress with detailed charts, and compete with friends on global leaderboards. Earn rewards and customize your routines for a motivating fitness journey.

Ranked gym performance trackingLog over 400 exercisesProgress visualization and insights
💪 Health & Fitness
(86K)
free with in-app purchases
9
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

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.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
10
OKOK·International
OKOK·International
OKOK·International
by Shenzhen Careyou Health Science and Technology Co., LTD
Free

Track and manage your weight and body composition with a smart Bluetooth scale. Monitor key health indicators, view weight trends, and sync data with Apple Health. Supports multiple family members.

Bluetooth smart scale integrationTrack weight, body fat, body water, muscleWeight records and trend analysis
💪 Health & Fitness
(14K)
free with in-app purchases
11
Stacked - Workout Tracker for
Stacked - Workout Tracker for
Stacked - Workout Tracker for
Weight Lifting & Bodybuilding
Free

This application helps users plan and track weightlifting workouts to build muscle and strength. It offers a clean interface designed by weightlifters for weightlifters, with features for routine creation, progress tracking, and automatic plate calculations.

Plan and track weightlifting workoutsCreate simple or complex routinesTrack personal records
💪 Health & Fitness
(1.6K)
free with in-app purchases
12
Gym Log+
Gym Log+
Gym Log+
Workout. Log. Improve.
Free

Track your workouts, log your progress, and improve your fitness. This app offers a fast and easy interface to record sets, monitor body measurements, and visualize your gains with detailed graphs and statistics. Customize exercises, routines, and rest timers to suit your fitness journey.

Workout loggingBody measurement trackingProgress graphs and statistics
💪 Health & Fitness
(599)
free with in-app purchases
13
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
14
Fitness Point: Home & Gym
Fitness Point: Home & Gym
Fitness Point: Home & Gym
Home & Gym Workouts
Free

Track your fitness progress with custom workout plans and a vast exercise library. Features AI-generated bodyweight routines, detailed exercise animations, and progress visualization tools. Supports Apple Watch and Health App integration.

AI-generated bodyweight workoutsExtensive exercise library with animationsCustomizable workout plans
💪 Health & Fitness
(1.2K)
free with in-app purchases
15
Complete Gym Guide Lite
Complete Gym Guide Lite
Complete Gym Guide Lite
by ross gallagher
Free

This app provides a comprehensive guide to over 110 gym exercises with detailed descriptions and images. It includes features to save favorite exercises and offers 8 health and fitness calculators to assess your fitness level and guide weight selection.

110+ gym exercisesDetailed descriptions and imagesSave favorite exercises
💪 Health & Fitness
(8)
free
16
Weight Gurus
Weight Gurus
Weight Gurus
by Greater Goods, LLC
Free

Track your health and fitness progress with this app. Monitor weight, body fat, and BMI with easy-to-read graphs and lists. Securely back up your data and sync with Apple Health for a comprehensive view of your journey.

Track weight, body fat, muscle mass, water weight, and BMIGraph or list view of progressSync with Apple Health
💪 Health & Fitness
(1K)
ad-supported
17
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
Body Mass Index & Ideal Weight
Free

Calculate your Body Mass Index (BMI) and ideal weight with this easy-to-use tool. Track your BMI to support weight loss efforts. Ideal for both men and women.

BMI calculationIdeal weight calculationWeight loss tracking support
💪 Health & Fitness
(1.7K)
ad-supported
18
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Daily Exercise & Gym Training
Free

Track all your physical activities, from gym workouts to yoga, and monitor progress with detailed stats. Plan personalized routines, access exercise videos, and sync with wearables and other health apps. Achieve your fitness goals with community support and advanced insights.

Log over 600 activitiesTrack distance, pace, calories, heart rateGPS tracking for outdoor sessions
💪 Health & Fitness
(77K)
free with in-app purchases
19
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Watch Gym Strength Training
Free

This app automatically tracks your gym strength training exercises using only your Apple Watch's motion. It offers AI-generated personalized workouts based on your recovery and goals, eliminating manual logging.

Automatic exercise tracking with Apple Watch motionTracks over 470 exercise types hands-freeAI-generated personalized workout plans
💪 Health & Fitness
(3K)
free with in-app purchases
20
WeightFit: Weight Loss Tracker
WeightFit: Weight Loss Tracker
WeightFit: Weight Loss Tracker
Weight Diary, BMI Calculator
Free

Log your body weight, monitor progress, and achieve your fitness goals with this intuitive weight diary. Features include a clean dashboard, trend charts, and a BMI calculator. Seamlessly track your journey on iPhone and Apple Watch.

Weight logging and progress trackingBMI calculator with classificationsTrend charts and detailed statistics
💪 Health & Fitness
(300)
free

FAQ about Gym Weight Calculator Apps

What are the best gym weight calculator apps for iPhone?
Bar Is Loaded - Gym Calculator tops our gym weight calculator apps ranking as of July 2026, with a 4.8-star average from 251 App Store ratings, and it's free to download.
Yes — 20 of the top gym weight calculator apps we rank are free to download, including Bar Is Loaded - Gym Calculator and Barbell Plate Calculator.
Bar Is Loaded - Gym Calculator has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 222+ gym weight calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Bar Is Loaded is a fast and easy plate loading calculator designed for lifters. It instantly tells you exactly what plates to load onto a barbell, eliminating guesswork. The app also includes various tools for meet preparation and performance scoring.
Key features include an instant plate calculator for both KG and LB, a customizable inventory for barbells and plates, and a reverse calculator. It also offers meet prep tools like rep max calculators and attempt selection, along with powerlifting and weightlifting scoring calculators.