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.





227+ iOS apps curated and reviewed
Out of 227+ rep calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.





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.






This app helps you track and analyze your strength training workouts. Log unlimited exercises and programs for free, with an optional premium subscription for advanced features like supersets and detailed progress charts.





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.


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.


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.


Calculate your maximum weight for a specific number of repetitions. Ideal for powerlifting, bodybuilding, and fitness enthusiasts, it supports calculations for 1 to 40 repetitions based on the weight lifted.


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.


This fitness app helps users track and improve their strength training. It allows for detailed logging of workouts, calculation of rep maxes, and visualization of progress through dynamic graphs. Users can also participate in global challenges and utilize built-in timers for rest periods.


This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.


This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.


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.


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.


Easily calculate loan or mortgage payments. Simply input the loan amount, repayment term, and interest rate to get your estimated monthly payment.


This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.


This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.


Calculate your one-rep max with confidence using a reliable calculator that provides realistic numbers through multiple proven formulas. Know your limits, choose the right weights, and progress safely to achieve your strength goals.


This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.


Easily calculate strength statistics for your weightlifting sets. Receive a strength rating and track progress with custom exercises and detailed breakdowns of your one-rep max.


Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.


This app helps users plan and track their weightlifting workouts, focusing on progressive overload and personalized strength training. It offers fast logging, detailed analytics, and customization options to help users achieve their fitness goals.