Best apps like Simple One-Rep-Max Calculator

10+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated July 2026

Looking for something like Simple One? 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.

simply. nutrition tips

simply. nutrition tips by simply advisory LLC

that help you get healthy.
💪 Health & Fitness
5.0(17 ratings)
FreeIn-App Purchases
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Get daily nutrition tips from certified nutritionists with a subscription to this app, and start your journey to a healthier lifestyle. With features like customizable notifications, saved tips, and a tip tracker, you can easily incorporate healthy habits into your daily life.

Get More Info

Top Alternatives to Simple One

Fitness Challenge Tracker#1

Fitness Challenge Tracker by UX First d.o.o.

Move, get fit & lose weight
Editor's Choice
💪 Health & Fitness
5.0(7 ratings)
$0.99
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Monitor your progress towards monthly Apple Watch Fitness challenges and earn collectible badges. This app integrates with Apple Health to provide daily insights and track your efforts, designed for simplicity and privacy.

One Rep Max: 1RM Calculator#2

One Rep Max: 1RM Calculator by Charles Vanderhoff

Strength Tracker & Gym PR Tool
Strong Contender
💪 Health & Fitness
4.4(170 ratings)
FreeAdsIn-App Purchases
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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.

KeyLifts - 531 Workout Log#3

KeyLifts - 531 Workout Log by Strongomatic, LLC

5/3/1 & nSuns Strength Tracker
Worth Considering
💪 Health & Fitness
4.8😊(827 ratings)
FreeIn-App Purchases
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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.

What We Love

  • 🚀 Excellent for 5/3/1 programming
  • 👍 Highly customizable templates
  • 🔧 Continuously improved with new features
  • 💯 Comprehensive tracking and analytics

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 💰 Subscription model may be too expensive for some
  • 🤔 Confusing or unintuitive UI in some areas

More apps like Simple One

4
Barbell Plate Calculator
Barbell Plate Calculator
Barbell Plate Calculator
Plate math made simple
Free
$4.99 | 100% OFF

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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531 Strength
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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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JuggernautAI
JuggernautAI
JuggernautAI
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This app uses AI to create personalized strength training programs for powerlifting and powerbuilding. It adapts to your feedback and goals, optimizing volume, frequency, and exercise selection for maximum strength gains and recovery.

AI-generated personalized workout plansPowerlifting and Powerbuilding goal focusAdaptive training based on real-time feedback
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APECS: AI Posture Evaluation
APECS: AI Posture Evaluation
APECS: AI Posture Evaluation
Posture Evaluation System
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Analyze your posture using your device's camera for improved back health and body shape. It offers detailed assessments of various body parts, including specialized tests for symmetry and movement, with options for both automatic and manual tracking.

Camera-based posture analysisSpecialized symmetry testsRange of motion evaluation
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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.

Percentage-based workout sets calculatorOne rep max estimate calculatorCustomizable plate weights
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My 1 Rep Max
My 1 Rep Max
My 1 Rep Max
1 Rep Max Calculator
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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.

1 Rep Max calculatorLogbook for progress trackingMultiple popular formulas
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10
1RM Calculator
1RM Calculator
1RM Calculator
One Rep Max Strength
Free

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.

1RM calculation with RPERep max estimationSave 1RM history
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