Best RPN alternatives: apps like RPN-Calc

10+ similar apps compared and reviewed

4.7 avg rating

8 free apps

Updated November 2026

Steven Davies

RPN is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to RPN

RPN Calculus by Thomas Braun

Editor's Choice

🔧 Utilities

4.0(1 ratings)

$1.99

This scientific calculator app for iPad offers a clean RPN interface with basic and advanced functions. It supports high precision calculations and provides an extensive, user-extendable database of scientific constants.

Flick+Calc AD(Free version)World’s simplest and most unique Flick calculator by FlatbitStudio

Strong Contender

🔧 Utilities

0.0(0 ratings)

Free

CalcLink - Calculator for PC by Satoshi Sakuma

Send results to Windows

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

CalcLink - Calculator for PC screenshot 1

CalcLink - Calculator for PC screenshot 2

CalcLink - Calculator for PC screenshot 3

More apps like RPN

PuchCalc

Fashionable, simple, log, tax

This app provides a straightforward reverse Polish notation (RPN) calculator experience, inspired by classic HP models. It offers a clean interface with large buttons for quick calculations on iPhone, iPad, and Apple Watch, along with a convenient Today Extension for immediate access.

Reverse Polish Notation (RPN) inputClean, simple interfaceLarge, easy-to-press buttons

CalcBoard - Multi Calculator

Side-by-Side Calculations

Free

Perform multiple calculations simultaneously on one screen, compare prices side-by-side, and access various modes like scientific and programmer. This ad-free utility offers precise results and stores your data locally.

Multiple independent calculator panelsSide-by-side price comparisonScientific, programmer, and unit converter modes

🔧 Utilities

(1)

free with in-app purchases

Compare with RPN

Calculator + Formula & History

History and scientific keys

CalculatorPro - Exact Math

by 宏立刘

Free

A minimalist calculator app offering a clean interface and customizable theme colors. Enjoy a streamlined calculation experience with a focus on simplicity and user-friendliness.

Simple calculator functionalityCustomizable theme colorsMinimalist design

Calculator: Brill Calc

Simple Scientific Calculator

Free

This calculator app features a unique hexagonal interface with color-coded buttons for easy operation. It offers a comprehensive set of mathematical functions, including basic operations, trigonometry, logarithms, and memory functions, optimized for touch control.

Unique hexagonal button layoutFull scientific and basic math functionsTrigonometric and logarithmic operations

🔧 Utilities

(2)

free with in-app purchases

A simple and intuitive calculator app designed for ease of use. It offers features like a backspace key, decimal point/comma support, calculation history, and customizable themes. Regular updates ensure continuous improvement.

Intuitive interface with large buttonsBackspace key for correctionsDecimal point or comma support

🔧 Utilities

(27)

free with in-app purchases

Compare with RPN