Best Max Rep Calculator Apps

223+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated July 2026

With an average user rating of 4.6★, the max rep calculator category is one of the App Store's strongest. Browse all 223+ apps we track, sorted so the most loved ones surface first.

Compare top Max Rep Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1My 1 Rep MaxMy 1 Rep MaxFree4.4★ (111)NoYesJul 2026
21RM Calculator1RM CalculatorFree4.9★ (109)NoYesSep 2026
3Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoSep 2026
4Calculator‰Calculator‰Free4.9★ (409K)YesNoSep 2026
5Calculator with History +Calculator with History +Free4.7★ (25K)NoYesSep 2026
61RM Calculator - One Rep Max1RM Calculator - One Rep MaxFree4.5★ (222)NoYesSep 2026
7Rep Max CalculatorRep Max CalculatorFree5.0★ (3)NoYesAug 2026
8Calculator·Calculator·Free4.9★ (34K)YesYesSep 2026

Top Picks for Max Rep Calculator

My 1 Rep Max#1

My 1 Rep Max by James T. Constant

1 Rep Max Calculator
Editor's Choice
💪 Health & Fitness
4.4(111 ratings)
FreeIn-App Purchases
My 1 Rep Max screenshot 1
My 1 Rep Max screenshot 2
My 1 Rep Max screenshot 3
My 1 Rep Max screenshot 4
My 1 Rep Max screenshot 5

Estimate your one rep max weight for various lifts using popular formulas. Track your progress over time with a built-in logbook. Offers custom lift creation and extended repetition calculations with a premium upgrade.

1RM Calculator#2

1RM Calculator by Yuri Koshiishi

One Rep Max Strength
Strong Contender
💪 Health & Fitness
4.9(109 ratings)
FreeIn-App Purchases
1RM Calculator screenshot 1
1RM Calculator screenshot 2
1RM Calculator screenshot 3
1RM Calculator screenshot 4
1RM Calculator screenshot 5

Easily calculate your one-rep max (1RM) strength with this app. It supports RPE input and allows you to estimate rep maxes based on your 1RM. Track your progress by saving your 1RM history for different exercises.

Calculator for iPad!#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Worth Considering
🔧 Utilities
4.7😊(61K ratings)
Free
Calculator for iPad! screenshot 1
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Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone
  • 👍 Easy to use and intuitive interface

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features
  • 🖥️ Layout issues in split-screen mode
  • 🔢 Inconsistent button placement between portrait and landscape

More Max Rep Calculator apps to explore

FAQ about Max Rep Calculator

What are the best max rep calculator apps for iPhone?
My 1 Rep Max tops our max rep calculator apps ranking as of July 2026, with a 4.4-star average from 111 App Store ratings, and it's free to download.
Yes — 18 of the top max rep calculator apps we rank are free to download, including My 1 Rep Max and 1RM Calculator.
My 1 Rep Max has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 223+ max rep calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a one rep max (1RM) calculator and a logbook. It helps you estimate the maximum weight you can lift for a single repetition based on your performance with lighter weights and multiple reps. You can also use it to record your lifts and monitor your strength gains over time.
To calculate your 1 Rep Max, select the type of lift, enter the weight you lifted, and the number of repetitions you completed (up to 10 in the free version). Then, tap the 'Calculate' button to see your estimated 1 Rep Max weight.