Best RPN alternatives: apps like RPN-67 Pro

10+ similar apps compared and reviewed

4.6 avg rating

6 free apps

Updated October 2026

RPN-67 Pro

CuVee Software

🔧 Utilities

📊 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

4.0(62 ratings)

Free

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

DB50X by Christophe de Dinechin

Color version of DB48X

Editor's Choice

📊 Productivity

5.0(8 ratings)

$9.99

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.

DB48X by Christophe de Dinechin

Spirit of the HP48, revived

Strong Contender

📊 Productivity

4.8(4 ratings)

$4.99

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.

Calc-U-59 by Martin Erzberger

Calc-U-59 Calculator Emulation

Worth Considering

📊 Productivity

5.0(1 ratings)

Free

Explore the inner workings of classic TI-59, TI-58, and TI-58C calculators. This tool offers cycle-accurate emulation, a debugger to inspect code and registers, and a functional paper tape printer recreation. Load and save programs using magnetic card emulation and state files.

More apps like RPN

WP 34s

by Pascal Meheut

Free

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

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

RPN Calc with Printer and CAS

$24.99

This advanced RPN scientific calculator offers workstation-class Computer Algebra System (CAS) capabilities, going beyond traditional replicas. It provides access to an extensive library of modules and programs, enhanced with iOS features, customizable skins, and iCloud support for seamless data management.

RPN logic with 4-element stackExtensive memory registersOver 400 built-in functions

This app offers a unique dual-calculator interface, supporting both standard and Reverse Polish Notation. It features programmable functions, extensive scientific and financial tools, and includes physical constants and an advanced option calculator.

Dual calculator interface (Standard and RPN)Programmable functionsFinance and scientific functions

A Full PDF Reading Experience

$4.99

This app offers a comprehensive PDF reading experience on iOS devices, mimicking desktop functionality. It includes advanced features like keyboard support, smart zoom, dark mode, and translation saving to enhance document interaction and learning.

Full keyboard supportSmart zoom & lockDark mode with color inversion

Quick CSV Stats & Charts

Free

Analyze and visualize comma-separated files directly on your device. Inspect CSV structures, summarize columns with key statistics, and create various charts like histograms and scatter plots. Filter large datasets and export charts or modified data.

CSV file import from various sourcesColumn statistical summariesMultiple chart types (histogram, box-plot, scatter-plot, pie, line)

High-precision RPL calculator

Free

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