Best apps like SpicyRPN

28+ similar apps compared and reviewed

4.8 avg rating

3 free apps

Updated September 2026

Bryan Davies

Whether you want more options like SpicyRPN or a completely different take on the same concept, our curated list of 28+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to SpicyRPN

#1

bcRPN by Paul Wilkins

Editor's Choice

4.8(4 ratings)

Free

bcRPN screenshot 1

This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.

#2

RPN-25 CE by CuVee Software

Highly popular 1975 calculator

Strong Contender

4.6(9 ratings)

$2.99

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This app is a photo-realistic simulation of the classic HP-25 scientific calculator. It offers advanced programming features, a vast function library, and modern enhancements for enhanced usability on iOS devices.

#3

RLM-10CX by R.L.M. Software

Scientific Calculator

Worth Considering

5.0(1 ratings)

FreeIn-App Purchases

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This scientific calculator offers a comprehensive suite of tools for finance, business, statistics, and complex scientific calculations. It emulates a classic calculator while leveraging modern iOS device capabilities for ease of use and advanced functions.

More apps like SpicyRPN

My RPN Calculator

My RPN Calculator

My RPN Calculator

My RPN Calculator

Compare with SpicyRPN

This app faithfully recreates the HP-25C Programmable Scientific Calculator from 1976. It offers RPN input, a 10-digit LED display, and extensive mathematical functions. Users can program it with up to 99 steps and share programs via various methods.

RPN input10-digit LED displayFour stack registers

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by Scott Johnson

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by Halcyon Touch Software

A powerful calculator app for students, engineers, and scientists. It handles complex numbers, symbolic expressions, unit conversions, and matrix operations, with advanced plotting and programming capabilities.

Complex number calculationsSymbolic expression manipulationUnit conversion with custom units

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This app offers a highly accurate simulation of the classic HP-29C programmable scientific calculator. It features RPN input, extensive storage registers, and a wide range of mathematical and statistical functions. Users can program complex calculations, import/export programs, and view detailed program information.

RPN input10-digit LED display simulationFour stack registers

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Vintage Programmable Calc

This app simulates a vintage programmable calculator from the mid-70s, offering enhanced features beyond the original. It allows users to run existing programs, manage virtual cards, and utilize advanced functions for scientific and engineering tasks.

Virtual program and data cardsVirtual paper tape printerDatabase-driven card manager

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Vintage Desktop Calculator

This app simulates a legendary 1970s programmable calculator, offering advanced features for scientists and engineers. It allows users to run programs, manage virtual cards, and access hundreds of free program cards from its website.

Virtual program and data cardsVirtual paper tape printerDatabase-driven card manager

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