212+ iOS apps curated and reviewed
The best 1rm calculator apps on iPhone average 4.6★ across 212+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
The 1RM Calculator is a powerful application that helps users determine their one-rep max strength and track their progress over time. With features like RPE-based 1RM calculation, rep max estimation, and customizable exercise selection, this app provides a comprehensive solution for fitness enthusiasts and athletes looking to optimize their strength training regimen.
A weightlifting app designed for users following the 5/3/1 program, allowing them to save their 1 Rep Max for each exercise and view calculated weights for each cycle step to streamline their workout. Perfect for those who want easy access to tailored exercise weights.
This application helps you calculate your one-rep maximum (1RM) and corresponding weight percentages using various formulas, allowing you to determine your strength and power. By inputting the weight you can lift and the number of reps you can do, you can gauge your progress and optimize your training.
This application helps users calculate their one-rep maximum (1RM) for various exercises, allowing them to determine their absolute strength level and set training programs with accurate weight percentages. By finding your 1RM, you can optimize your workouts and make informed decisions about your training, while minimizing the risk of injury.
This strength training companion helps users unlock their true potential by accurately calculating their one rep max and providing comprehensive rep maxes at various intensities. With a user-friendly interface, seamless unit conversion, and offline support, it enables users to track progress, tailor their training program, and optimize their workout routine.
This 1 Rep Max calculator and log book helps you estimate your maximum lift weight and track progress over time using popular formulas. Simply select a lift, enter weight and reps, and calculate your 1 Rep Max, or upgrade for custom lifts and advanced features.
Calculate and track your 1-rep max (1RM) safely and easily with this application. Track your max over time for various lifts, choose from a variety of lifts, and access weight training tips and articles for improvement.
Accurately calculate your one-rep maximum weight for bench press, squat, and deadlift using 7 scientific formulas, and track your progress with a simple and intuitive interface. Take your lifting to the next level with precise calculations, comprehensive progress tracking, and data visualization.
"Get in shape with a comprehensive home gym workout app that offers personalized training guides, exercise routines, and progress tracking tools. Start your fitness journey today and achieve your workout goals with ease."
Experience easy and efficient calculations with this voice-operated calculator app featuring an ergonomic layout, large keys, backspace function, and usage history. Simplify your math tasks with just one step!
A simple and intuitive calculator app with essential functions like addition, subtraction, multiplication, and more. Customize with multiple color schemes, copy results easily, and use additional functions on iPad. Experience the perfect balance of features and simplicity today!
This fitness app helps users track, improve, and accelerate their fitness journey by logging workouts, calculating rep max strength, and monitoring progress over time. With features like a stopwatch, rest break timers, and a global challenge leaderboard, users can stay motivated and push their limits to achieve their fitness goals.
Experience the ultimate scientific graphing calculator: analyze functions, solve equations, work with diverse mathematical elements seamlessly. Embrace efficiency and convenience in your calculations on-the-go - never be without a powerful tool at your fingertips.
A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!
