Best Powerlifting Calculator Apps

250+ iOS apps curated and reviewed

4.8 avg rating
17 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our powerlifting calculator list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Powerlifting Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Bar Is Loaded - Gym CalculatorBar Is Loaded - Gym CalculatorFree4.9ā˜… (301)NoYesSep 2026
2Powerlift – Barbell CalculatorPowerlift – Barbell CalculatorFree4.5ā˜… (72)NoYesMay 2026
3IPF CalculatorIPF CalculatorFree4.8ā˜… (5)NoYesAug 2026
4Barbell Loader and CalculatorBarbell Loader and CalculatorFree was $2.994.7ā˜… (148)NoYesSep 2026
5531 Strength531 StrengthFree4.9ā˜… (12K)YesYesSep 2026
6The Barbell CalculatorThe Barbell CalculatorFree5.0ā˜… (1)NoNoJun 2026
7RPE Calculator: PowerliftingRPE Calculator: PowerliftingFree—NoYesSep 2026
8USA PowerliftingUSA PowerliftingFree—NoNoSep 2026

Top Picks for Powerlifting Calculator

Bar Is Loaded - Gym Calculator#1

Bar Is Loaded - Gym Calculator by Danny Li

It's leg day, not brain day.
4.9😊(301 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

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

Room to Improve

  • šŸ› Frequent crashes and infinite loading screens
  • šŸ› 5kg calculation glitch in reverse section
  • šŸ› Inconsistent weight calculations with kg plates
  • āš™ļø Limited barbell weight customization options
  • āš™ļø Collar weight incorrectly set to 4kg instead of 5kg
  • āš™ļø Rounding errors with decimal plate weights
  • šŸ“± Compatibility issues with newer devices (iPhone 16 Pro)
  • āŒ No ladies bar weight option (35 lbs)
  • āŒ Missing 7.5kg plate option
4.5(72 ratings)
FreeIn-App Purchases
Powerlift – Barbell Calculator screenshot 1
Powerlift – Barbell Calculator screenshot 2
Powerlift – Barbell Calculator screenshot 3
Powerlift – Barbell Calculator screenshot 4
Powerlift – Barbell Calculator screenshot 5

This app simplifies barbell weight calculations for weightlifters. It allows users to quickly determine the correct plates needed for any given weight, supporting custom bar and collar weights, and both imperial and metric units. An optional Pro version offers advanced features like manual plate management and custom plate creation.

More Powerlifting Calculator apps to explore

FAQ about Powerlifting Calculator

What are the best powerlifting calculator apps for iPhone?
Bar Is Loaded - Gym Calculator tops our powerlifting calculator apps ranking as of September 2026, with a 4.9-star average from 301 App Store ratings, and it's free to download.
Yes — 17 of the top powerlifting calculator apps we rank are free to download, including Bar Is Loaded - Gym Calculator and Powerlift – Barbell Calculator.
Bar Is Loaded - Gym Calculator has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ powerlifting calculator apps on the iOS App Store as of September 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.