Best apps like 1RM Calculator - One Rep Max

10+ similar apps compared and reviewed

4.7 avg rating
10 free apps
Updated September 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😞(178 ratings)
FreeAdsIn-App Purchases
One Rep Max: 1RM Calculator screenshot 1
One Rep Max: 1RM Calculator screenshot 2
One Rep Max: 1RM Calculator screenshot 3
One Rep Max: 1RM Calculator screenshot 4
One Rep Max: 1RM Calculator screenshot 5
One Rep Max: 1RM Calculator screenshot 6

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
5/3/1 Workout logger - 531#2

5/3/1 Workout logger - 531 by Seetha Thangarasa

Weightlifting logger app
Strong Contender
💪 Health & Fitness
4.8😊(3.2K ratings)
FreeIn-App Purchases
5/3/1 Workout logger - 531 screenshot 1
5/3/1 Workout logger - 531 screenshot 2
5/3/1 Workout logger - 531 screenshot 3
5/3/1 Workout logger - 531 screenshot 4
5/3/1 Workout logger - 531 screenshot 5
5/3/1 Workout logger - 531 screenshot 6

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.

What We Love

  • 👍 Organized and logical layout
  • 🚀 Automatically adjusts 1RM based on performance
  • 💪 Helps achieve strength gains
  • 🔒 Respects user privacy
  • 👍 Customizable and flexible
  • 🚀 Streamlines workout tracking
  • 👍 Plate loading function is useful

Room to Improve

  • 🐛 Miscalculates weights and reps
  • 🐛 App crashes or resets during workouts
  • 🐛 Difficulty adjusting training maxes
  • 🐛 Inability to skip workouts
  • 🐛 Accessory exercises not fully customizable

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4
Barbell Plate Calculator
Barbell Plate Calculator
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Plate math made simple
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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.

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KeyLifts - 531 Workout Log
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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.

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1RM Calculator
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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.

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1RM Percentage Calculator
1RM Percentage Calculator
1RM Percentage Calculator
Percentage-Based Workout Util
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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.

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8
531 Strength
531 Strength
531 Strength
Keep focus on your lifts
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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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Powerlift Pro
Powerlift Pro
Powerlift Pro
#1 Powerlifting App
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This app provides AI-powered personalized strength training programs and a comprehensive suite of tools for tracking workouts, managing macros, and calculating lifting metrics. It offers real-time adjustments and weak point optimization to help users achieve their strength goals.

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