Best Gym Weight Calculator Apps

249+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated November 2026

Out of 249+ gym weight calculator apps on iOS, 19 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 (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Bar Is Loaded - Gym CalculatorBar Is Loaded - Gym CalculatorFree4.9β˜… (565)NoYesNov 2026
2Barbell Plate CalculatorBarbell Plate CalculatorFree4.8β˜… (288)YesYesOct 2026
3Good Gym CalculatorGood Gym CalculatorFreeβ€”NoNoAug 2026
4RepGenie: Gym CalculatorRepGenie: Gym CalculatorFreeβ€”NoYesJul 2026
5Calculator - smart tool & body mass index checkerCalculator - smart tool & body mass index checkerFreeβ€”NoNoMay 2026
6BarMath: Plate CalculatorBarMath: Plate Calculator$1.99β€”NoNoJul 2026
7E1RM Calculator - RPE BasedE1RM Calculator - RPE BasedFreeβ€”NoYesJun 2026
8BMI - Clinical calculatorBMI - Clinical calculatorFreeβ€”YesNoJun 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.
4.9😊(565 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

  • πŸ‘ Extremely user-friendly and intuitive interface
  • πŸš€ Fast and accurate plate loading calculations
  • πŸ’° Completely free with no ads or subscriptions
  • 🧠 Eliminates mental math during workouts
  • πŸ“Š Rich feature set including RPE, Wilks, and 1RM calculators
  • πŸ”„ Reverse calculation functionality for bar loading
  • πŸ“± Supports both kg and lb conversions seamlessly
  • 🎨 Clean and simple design
  • πŸ‘¨β€πŸ’» Responsive developer who takes feedback seriously
  • πŸ“Έ Ability to share loaded bar images on social media
  • ⚑ Lightweight and quick performance
  • πŸ‹οΈ Tailored specifically for powerlifters and weightlifters

Room to Improve

  • πŸ› Frequent crashes and infinite loading screens
  • πŸ› 5kg calculation glitch in reverse section
  • πŸ› Inconsistent weight calculations with kg plates
  • βš™οΈ Limited barbell weight customization options
  • βš™οΈ Collar weight incorrectly set to 4kg instead of 5kg
  • βš™οΈ Rounding errors with decimal plate weights
  • πŸ“± Compatibility issues with newer devices (iPhone 16 Pro)
  • ❌ No ladies bar weight option (35 lbs)
  • ❌ Missing 7.5kg plate option
4.8😊(288 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.

What We Love

  • πŸ‘ Simple and no frills
  • πŸ‘ Beautifully designed and works well
  • πŸ‘ Makes life easier
  • πŸ‘ Plate calculator works
  • πŸ‘ Correctly calculates with 1.25 and 0.5 plates
  • πŸ‘ Modifiable history
  • πŸ‘ No premium features needed for basic functions
  • πŸ‘ Exactly what you need
  • πŸ‘ Can tap bar to change weight

Room to Improve

  • πŸ› Timer function freezes
  • πŸ› Paid upgrades not working
  • πŸ› Limited in plate calculation
  • πŸ› Saving bar weight process is cumbersome
  • πŸ› Resetting entire weight stack instead of adding

More Gym Weight Calculator Apps apps to explore

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 November 2026, with a 4.9-star average from 565 App Store ratings, and it's free to download.
Yes β€” 19 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 November 2026.
We track 249+ gym weight calculator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.