This tool helps you measure workout intensity by rating your perceived effort on a numerical scale. It provides a quantifiable measure to track progress and tailor training for optimal fitness results.




250+ iOS apps curated and reviewed
Every iPhone needs a few good rpe calculator apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (8) | No | No | May 2026 | |
| 2 | Free | 4.8★ (251) | No | Yes | Jul 2026 | |
| 3 | Free | 5.0★ (4) | No | No | May 2026 | |
| 4 | Free | 5.0★ (19) | No | No | Jun 2026 | |
| 5 | Free | 4.4★ (178) | Yes | Yes | Aug 2026 | |
| 6 | Free | 4.7★ (286) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.6★ (4.8K) | Yes | No | Aug 2026 | |
| 8 | Free | 4.8★ (3.6K) | No | No | Aug 2026 |




This tool helps you measure workout intensity by rating your perceived effort on a numerical scale. It provides a quantifiable measure to track progress and tailor training for optimal fitness results.






This app simplifies weightlifting calculations, instantly determining the correct plates to load onto a barbell. It offers custom settings for inventory and a reverse calculator, along with tools for meet preparation and performance scoring.





This app helps weightlifters quickly calculate their Rating of Perceived Exertion (RPE) with a simple, user-friendly interface. It visually displays the weight needed for the bar and supports various plate weights, making gym math effortless.


This app provides essential gym calculations for weightlifters. It features tools for RPE, weight conversion, and warm-up planning to optimize training sessions.


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 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.


This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.


This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.


This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.


This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.


Easily estimate the quantity of various landscaping and hardscaping materials like gravel, stone, and sand. Get precise measurements in tons, cubic yards, or cubic meters for your projects.


Perform calculations quickly and accurately with large buttons. Personalize the interface by selecting custom background and text colors. This straightforward utility is designed for intuitive use.


This utility app offers a scientific calculator with Reverse Polish Notation (RPN) mode for faster calculations. Its simple interface is designed for engineers and scientists, providing efficient computation on iPhone devices.




This app offers a comprehensive scientific calculator with advanced functions for math, finance, and engineering. It includes unit and currency conversion, a constants library, and a biorhythm calculator for daily insights. The interface is intuitive and supports multiple calculation modes.




A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.


This utility app helps electrical professionals quickly calculate R1+R2, Zs, or Ze values. It allows users to input two known values to derive the third, aiding in the verification of measured electrical readings.


This application calculates and graphs mathematical formulas with multiple variables. It allows for programming complex equations, plotting graphs with variable manipulation, and saving frequently used formulas. It also generates tables of results for easy export.


A straightforward calculator app designed for simplicity and ease of use. It features large buttons and a clear display, supporting basic arithmetic operations like addition, subtraction, multiplication, and division.