Best 1RM Calculator alternatives: apps like 1RM Calculator - One Rep Max

10+ similar apps compared and reviewed

4.7 avg rating
10 free apps
Updated October 2026

Looking for something like 1RM Calculator? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to 1RM Calculator

One Rep Max: 1RM Calculator#1

One Rep Max: 1RM Calculator by Charles Vanderhoff

Strength Tracker & Gym PR Tool
Editor's Choice
💪 Health & Fitness
4.4😞(183 ratings)
FreeAdsIn-App Purchases
One Rep Max: 1RM Calculator screenshot 1
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Safely estimate your maximum lift potential for various strength exercises using scientific formulas. Track your progress visually, set goals, and fine-tune estimates with perceived exertion. Ideal for powerlifters, CrossFit athletes, and strength enthusiasts.

What We Love

  • 👍 Easy to use interface
  • 📊 Tracks progress with charts
  • ➕ Plate calculator bonus feature
  • 📈 Supports multiple 1RM formulas
  • 💪 Helpful for tracking RMs
  • ✅ Calculates 1RM accurately
  • 🆓 Free to use (historically)
  • ✨ Simple and quick
  • 🚀 Fast and easy
  • 💯 Best 1RM app
  • 💡 Addition of 2-10RM
  • ⚖️ Weightlifting calculator
  • 📈 Graphs for improvements
  • 💯 Accurate calculations
  • ✅ Works as intended
  • 💯 Best 1RM app on iOS
  • 💯 Straight forward
  • 👍 Great for tracking maxes
  • 💯 Very useful as is
  • 💯 Best way to track 1RM
  • 💯 User friendly and accurate
  • 💯 Simple and handy

Room to Improve

  • 💰 Subscription required for features
  • 💸 Features moved behind paywall
  • 😩 Useless without subscription
  • 🚫 Basic features now paid
  • 💸 High subscription cost
  • 😠 Forced ads for basic features
  • 📉 Graphing feature now Pro only
  • 🤔 Unclear what was purchased
  • 💸 Not worth the cost
  • 📉 Deleted lifting history
  • 📉 Lost all logs with update
  • 🚫 Weight limit restriction
  • 📉 Poor interface
  • 🐛 Buggy with dates and lifts
  • 👎 Horribly user-unfriendly
  • 🐛 Reloads excessively
  • 🐛 Wonky and now dead
  • 🐛 Complicated and too much offered
  • 🐛 Not intuitive for tracking
  • 🐛 Buggy about dates and lifts
  • 🐛 Weight limit restriction
  • 🐛 Max weight limit too low
  • 🐛 Not useful for intended audience
  • 🐛 Cannot select other lifts
  • 🐛 Only logs back squats
My 1 Rep Max#2

My 1 Rep Max by James T. Constant

1 Rep Max Calculator
Strong Contender
💪 Health & Fitness
4.4(119 ratings)
FreeIn-App Purchases
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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#3

1RM Calculator by Yuri Koshiishi

One Rep Max & RPE Calculator
Worth Considering
💪 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 apps like 1RM Calculator

4
1RM Percentage Calculator
1RM Percentage Calculator
1RM Percentage Calculator
Percentage-Based Workout Util
Free

This app helps you plan and calculate percentage-based workouts. It includes a one-rep max estimator and customizable weight settings for a personalized training experience. Easily track your sets and reps without manual calculations.

Percentage-based workout sets calculatorOne rep max estimate calculatorCustomizable plate weights
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1RM - One Rep Max Calculator
1RM - One Rep Max Calculator
1RM - One Rep Max Calculator
One Rep Max Calculator - 1RM
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531 Strength
531 Strength
531 Strength
Keep focus on your lifts
Free

This app simplifies tracking your progress on the 5/3/1 strength training program. It calculates and displays weights, reps, and sets based on your one-rep max, allowing you to easily plan and execute your workouts. Rounding options help match available gym plates.

Calculate 5/3/1 weightsTrack 1RM for exercisesView cycle step weights
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7
Barbell Plate Calculator
Barbell Plate Calculator
Barbell Plate Calculator
Plate math made simple
Free

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.

Plate calculation for target weightReverse calculation for current bar weightCustomizable bar weight
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8
5/3/1 Workout logger - 531
5/3/1 Workout logger - 531
5/3/1 Workout logger - 531
Weightlifting logger app
Free

This app helps lifters plan, log, and track their Jim Wendler 5/3/1 and Beyond 5/3/1 cycles. It automates complex calculations for weight and reps, tracks progress with charts, and includes features like a plate calculator and rest timer. Focus on your lifts without the guesswork.

Automated 5/3/1 cycle managementWeight and rep calculationProgress tracking charts
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9
KeyLifts - 531 Workout Log
KeyLifts - 531 Workout Log
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5/3/1 & nSuns Strength Tracker
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This app simplifies the 5/3/1 strength training program by automatically calculating your sets and weights. Focus on lifting and achieving new personal records without the manual math. It offers features like warm-up sets, rest timers, and custom templates, with advanced options available through a subscription.

Automated 5/3/1 cycle planningPersonal Record (PR) alertsWarm-up set tracking
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10
Wendler Log 531
Wendler Log 531
Wendler Log 531
5/3/1 Strength Training Log
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This app automates weight calculations for the Wendler 5/3/1 powerlifting program, tracks progress with detailed logs and PRs, and offers customizable training plans. Advanced features include pre-built assistance programs, a plate calculator, and progress charts.

Automatic weight calculationsComplete lift history trackingAMRAP score tracking
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