Best RPN alternatives: apps like RPN-35 SD

10+ similar apps compared and reviewed

4.5 avg rating

5 free apps

Updated November 2026

CuVee Software

📊 Productivity

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.

KobCard by KOB MARKETING

Gift Card Information Platform

📊 Productivity

4.1(387 ratings)

Free

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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

Top Alternatives to RPN

#1

i41CX by Antonio Lagana

RPN Calc

Editor's Choice

📊 Productivity

4.7(47 ratings)

$7.99In-App Purchases

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This advanced programmable RPN scientific calculator offers a powerful set of functions and a user-friendly interface. It emulates the functionality of the renowned HP-41CX and can be expanded with additional features through in-app purchases.

#2

DB50X by Christophe de Dinechin

Color version of DB48X

Strong Contender

📊 Productivity

5.0(9 ratings)

$9.99

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This scientific calculator offers high-precision computations with arbitrary precision for numbers. It supports advanced functions like complex numbers, matrices, symbolic calculations, and graphing, with a user-friendly interface and extensive built-in help.

#3

i41CX+ by Antonio Lagana

RPN Calc with Printer and CAS

Worth Considering

📊 Productivity

4.8😊(108 ratings)

$24.99

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This advanced RPN scientific calculator offers workstation-class CAS capabilities and a virtual thermal printer. It emulates the HP-41CX, providing access to its modules and programs, enhanced with modern iOS features and extensive customization options. Perform complex calculations, symbolic algebra, and 2D/3D plotting without an internet connection.

What We Love

🚀 Fantastic emulation of the original HP41 calculator
🔒 Faithful to the original hardware and functionality
👍 Includes all the expansion modules and accessories
👍 Responsive and never crashes
👍 Excellent implementation of RPN and programmability
👍 Convenient to have a powerful calculator always on hand
👍 Impressive attention to detail, including keyboard clicks

Room to Improve

🔋 Can drain battery when left on
👎 Small button size can lead to mis-taps
👎 Slow startup time in some versions

More apps like RPN

by Pascal Meheut

This app is a powerful RPN scientific calculator with extensive functions for mathematics, statistics, programming, and engineering. It includes programmer functions, fraction mode, probability distributions, and a stopwatch, offering a comprehensive tool for complex calculations.

RPN scientific calculator implementationProgrammer functions (binary, octal, hexadecimal)Fraction mode and probability distributions

📊 Productivity

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Spirit of the HP48, revived

This advanced scientific calculator offers arbitrary precision computations, RPN and algebraic operations, and extensive graphing capabilities. It supports complex numbers, matrices, symbolic calculations, and over 1000 built-in functions, inspired by the HP48 series.

Arbitrary precision computationsRPN and algebraic operationsComplex numbers, vectors, and matrices

📊 Productivity

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Calc-U-59 Calculator Emulation

This app emulates the classic TI-59, TI-58, and TI-58C calculators with cycle-accurate precision. It includes virtual magnetic cards, a printer, software modules, and a CPU-level debugger for in-depth analysis. Bring your old programs back to life or explore the inner workings of these vintage machines.

Cycle-accurate TI-59, TI-58, TI-58C emulationVirtual magnetic card reader/writerPC-100C printer emulation

📊 Productivity

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by Pascal Meheut

This app emulates a classic RPN scientific calculator, offering a rich function set for daily use with a simplified interface. It's based on the more complex WP 34s but is designed for easier operation.

RPN scientific calculator emulationRich function setSimplified, less cluttered keyboard

📊 Productivity

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High-precision RPL calculator

A high-precision scientific calculator inspired by the HP48 series, offering arbitrary precision computations, complex numbers, vectors, matrices, and graphing. It supports RPN and algebraic operations, with over 1000 built-in functions and a hyperlinked help system.

Arbitrary precision computationsRPN and algebraic operationsComplex numbers, vectors, and matrices

📊 Productivity

Compare with RPN

Advance Scientific Calculator

This advanced scientific calculator emulates the functionality of the HP-15C, offering comprehensive tools for finance, business, statistics, and scientific calculations. It supports programming, equation solving, and unit conversions, optimized for iOS devices.

Programmable advanced scientific calculatorFinance and business calculation menusStatistics and probability functions

📊 Productivity

free with in-app purchases

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Custom labels for Home Screen

Create custom text and color labels for your device's home screen. Organize your pages with glanceable widgets, making navigation easier.

Custom text labelsCustomizable colorsHome screen widgets

📊 Productivity

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