Best The One Rep Max Apps

92+ iOS apps curated and reviewed

4.4 avg rating

19 free apps

Updated August 2026

If you already know The One Rep Max, this is the deeper bench. 92+ the one rep max apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top The One Rep Max Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	The One Rep Max	Free	5.0★ (1)	No	No	May 2026
2	One Rep Max - 1RM Calculator	Free	5.0★ (1)	No	Yes	Aug 2026
3	My 1 Rep Max	Free	4.4★ (111)	No	Yes	Jul 2026
4	One Rep Max	Free	3.0★ (2)	Yes	No	Aug 2026
5	1RM Calculator - One Rep Max	Free	4.5★ (222)	No	Yes	Sep 2026
6	1 Rep Max Calc	Free	4.5★ (11)	No	No	Sep 2026
7	1RM Calculator	Free	4.9★ (109)	No	Yes	Sep 2026
8	1RM - One Rep Max Calculator	Free	—	Yes	Yes	Sep 2026

Top Picks for The One Rep Max

#1

The One Rep Max by Jonah Witcig

Editor's Choice

💪 Health & Fitness

5.0(1 ratings)

Free

The One Rep Max screenshot 1

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The One Rep Max screenshot 4

Estimate your maximum weightlifting capacity with this tool. Track your progress and safely push your limits. Ideal for strength training enthusiasts.

#2

One Rep Max - 1RM Calculator by App Ktchn Ltd

Deadlift, Benchpress, Squat +

Strong Contender

💪 Health & Fitness

5.0(1 ratings)

FreeIn-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

Easily calculate your One Rep Max (1RM) for various strength exercises. Track your progress over time with saved calculations, view personalized percentages, and visualize your strength gains through charts. Supports multiple exercise types and custom units.

#3

My 1 Rep Max by James T. Constant

1 Rep Max Calculator

Worth Considering

💪 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.

More The One Rep Max apps to explore

1RM Workout Tracker

This app helps fitness enthusiasts calculate their one-rep max (1RM) for various lifts. Track your strength progress over time with detailed workout history and user-friendly interface.

Accurate One Rep Max CalculationMultiple Lifts SupportedProgress Tracking

1RM Calculator - One Rep Max

1RM Calculator - One Rep Max

1RM Calculator - One Rep Max

Util for estimating max lifts

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.

Estimate 1-rep maxTrack lift history and progressHistorical chart and list views

💪 Health & Fitness

free with in-app purchases

by Will Stankus

Calculate your one rep max (1RM) and explore potential rep maxes at various intensities. Supports both pounds and kilograms, with an intuitive interface and offline functionality for seamless strength training tracking.

Accurate one rep max calculationComprehensive rep maxes (95%-70%)Seamless unit conversion (lbs/kg)

One Rep Max Strength

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

💪 Health & Fitness

free with in-app purchases

1RM - One Rep Max Calculator

1RM - One Rep Max Calculator

1RM - One Rep Max Calculator

One Rep Max Calculator - 1RM

💪 Health & Fitness

One Rep Max: 1RM Calculator

One Rep Max: 1RM Calculator

One Rep Max: 1RM Calculator

Strength Tracker & Gym PR Tool

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.

Precise 1RM calculations with 7 scientific formulasRPE integration for fine-tuned estimatesCustom exercise tracking for any lift

💪 Health & Fitness

free with in-app purchases

1RM Weight Lifting Rep Max

1RM Weight Lifting Rep Max

1RM Weight Lifting Rep Max

Bodybuilding Gym Log & Track

This app calculates your personalized 1 Rep Max for weightlifting based on your performance type. Log your workouts, track progress with charts, and discover personalized formulas for maximum accuracy. Upgrade to Pro for full functionality.

Personalized 1 Rep Max calculationStrength, Midrange, Endurance, Custom typesLog weight lifted by percentage

💪 Health & Fitness

Simple One-Rep-Max Calculator

Simple One-Rep-Max Calculator

Simple One-Rep-Max Calculator

Calculate your 1RM like a pro!

This app helps you accurately determine your one-rep max (1RM) using multiple proven formulas. It provides reliable estimates to help you choose the right weights for your training, ensuring safer and more effective strength progression.

Accurate one-rep max estimatesMultiple proven calculation formulasDetermine training weights

💪 Health & Fitness

MaxRep: 1RM Calculator

MaxRep: 1RM Calculator

MaxRep: 1RM Calculator

One Rep Max, RPE & Strength

💪 Health & Fitness

Skeletal PT- AI Rep Counter

Skeletal PT- AI Rep Counter

Skeletal PT- AI Rep Counter

squat,deadlift,push-up,plank,

💪 Health & Fitness

MaxRep Workout Calculator

MaxRep Workout Calculator

MaxRep Workout Calculator

Build to 1 rep max with ease.

This app helps barbell lifters create personalized warm-up routines. It calculates exact plate loads for each set based on your target weight and available time, ensuring you're prepared without fatigue. Track personal records across numerous movements and customize plans for your training style.

Personalized warm-up plansExact plate load suggestionsPersonal record tracking for 63 movements

💪 Health & Fitness

free with in-app purchases

MaxLift - 1RM Calculator

MaxLift - 1RM Calculator

MaxLift - 1RM Calculator

One Rep Max Calculator

Calculate your maximum weight for a single repetition of any exercise. This tool helps estimate your strength for key lifts, aiding in training program design and progress tracking. Prioritize safety and effective programming by understanding your one-rep max.

1RM calculation for any exerciseEstimate strength levelsAid in training program design

💪 Health & Fitness

1RM Max Calculator

1RM Max Calculator

1RM Max Calculator

7 proven formulas for lifting

Instantly calculate your one-rep max (1RM) for bench press, squat, and deadlift using 7 scientific formulas. Track your progress with intuitive charts and calendar records. Ideal for athletes and lifters aiming for more scientific and effective training.

7 scientific 1RM calculation formulasSupports bench press, squat, and deadliftProgress tracking and data visualization

💪 Health & Fitness

free with in-app purchases

1Rep: 1RM Calculator & PR Log

1Rep: 1RM Calculator & PR Log

1Rep: 1RM Calculator & PR Log

Bench, Squat, Deadlift Tracker

💪 Health & Fitness

GymMath - Plates & 1RM Calc

GymMath - Plates & 1RM Calc

GymMath - Plates & 1RM Calc

Plates and Rep Max Calculator

Easily calculate the weight plates needed for your desired lift or estimate your one-rep max using science-backed formulas. Customize your bar and plate weights for personalized calculations. Save workouts and view progress in charts.

Plates CalculatorCustomizable bar and plates1 Rep Max Calculator

💪 Health & Fitness

Max - Workout & Nutrition

Max - Workout & Nutrition

Max - Workout & Nutrition

Know what to lift and eat

This app creates personalized workout and nutrition plans tailored to your goals and equipment. It provides daily exercise guidance, tracks your progress with clear charts, and simplifies nutrition logging by estimating calories and macros from meal photos.

Personalized workout plansAI-driven nutrition guidanceProgress tracking and charting

💪 Health & Fitness

Maximum Calculator

Maximum Calculator

Maximum Calculator

One Rep Max and RPE Calculator

Calculate your one rep max and track your strength training progress. View charts of your top sets, review workout history, and compare your performance with detailed analytics. Customize units, rounding, and RPE calculations.

One rep max calculatorSet calculatorTop set charts

💪 Health & Fitness

FAQ about The One Rep Max

What are the best the one rep max apps for iPhone?

The One Rep Max tops our the one rep max apps ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.

Are there free the one rep max apps for iPhone?

Yes — 19 of the top the one rep max apps we rank are free to download, including The One Rep Max and One Rep Max - 1RM Calculator.

Does The One Rep Max have ads or in-app purchases?

The One Rep Max has no ads and has no in-app purchases, according to its App Store listing as of August 2026.

How many the one rep max apps are on the App Store?

We track 92+ the one rep max apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What is The One Rep Max?

The One Rep Max is a free application designed to estimate your maximum weightlifting capacity for a single repetition. It helps you understand your strength potential and set safe training goals.

How accurate is The One Rep Max?

The app provides an approximation based on your previous lifting knowledge. While it aims for accuracy, individual results can vary based on many factors.