Best Max Rep Calculator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

With an average user rating of 4.4★, the max rep calculator category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Max Rep Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
11RM Calculator - One Rep Max1RM Calculator - One Rep MaxFree4.5★ (222)NoYesSep 2026
21RM Calculator1RM CalculatorFree4.9★ (116)NoYesOct 2026
3Rep Max CalculatorRep Max CalculatorFree5.0★ (3)NoYesAug 2026
41 Rep Max Calc1 Rep Max CalcFree4.5★ (11)NoNoSep 2026
5My 1 Rep MaxMy 1 Rep MaxFree4.4★ (119)NoYesOct 2026
6Maximum CalculatorMaximum CalculatorFree5.0★ (18)NoNoMay 2026
7MaxLift - 1RM CalculatorMaxLift - 1RM CalculatorFree—YesNoAug 2026
8Calculator :)Calculator :)Free3.0★ (1)NoNoMay 2026

Top Picks for Max Rep Calculator

1RM Calculator - One Rep Max#1

1RM Calculator - One Rep Max by David Bai

Util for estimating max lifts
Editor's Choice
💪 Health & Fitness
4.5😞(222 ratings)
FreeIn-App Purchases
1RM Calculator - One Rep Max screenshot 1
1RM Calculator - One Rep Max screenshot 2
1RM Calculator - One Rep Max screenshot 3
1RM Calculator - One Rep Max screenshot 4
1RM Calculator - One Rep Max screenshot 5
1RM Calculator - One Rep Max screenshot 6

Estimate your maximum weight lifted for a single repetition. Input your successful lifts and reps to gauge strength, compare progress, and plan future training. Offers advanced features for detailed tracking and analysis.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Calculates 1 rep max quickly
  • 💡 Helps figure out percentages
  • 👍 Good for tracking routines
  • 👍 Clean design

Room to Improve

  • 🐛 Pro version not working
  • 🐛 Paid features inaccessible
  • 🐛 App crashes after upgrade
  • 🐛 UI needs improvement
  • 🐛 Missing features
  • 🐛 Requires purchase for basic functionality
  • 🐛 Unit conversion costs money
  • 🐛 Can only track one set per day
  • 🐛 Old UI is ugly
1RM Calculator#2

1RM Calculator by Yuri Koshiishi

One Rep Max & RPE Calculator
Strong Contender
💪 Health & Fitness
4.9(116 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.

More Max Rep Calculator apps to explore

FAQ about Max Rep Calculator

What are the best max rep calculator apps for iPhone?
1RM Calculator - One Rep Max tops our max rep calculator apps ranking as of October 2026, with a 4.5-star average from 222 App Store ratings, and it's free to download.
Yes — 20 of the top max rep calculator apps we rank are free to download, including 1RM Calculator - One Rep Max and 1RM Calculator.
1RM Calculator - One Rep Max has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ max rep calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.