This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.
ThetaCalc by Felix Stehli
Editor's Choice
🔧 Utilities
4.3(4 ratings)
Free
Best apps like SwiftRPN
10+ similar apps compared and reviewed
4.6 avg rating
9 free apps
Updated July 2026
Looking for something like SwiftRPN? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.
Top Alternatives to SwiftRPN
0.0(0 ratings)
Free
RePNCalc - RPN Calculator Pro by Michael Redig
Easy Reverse Polish NotationWorth Considering
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
This utility app offers a Reverse Polish Notation (RPN) calculator experience for iOS devices. It features customizable key layouts via swipe gestures and long-press options for stack items. External keyboard support is also available.
More apps like SwiftRPN
4
bcRPN
by Paul Wilkins
Free
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.
Reverse Polish Notation (RPN) inputComplex number calculationsExtended precision math
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RPNu
by Scott Johnson
Free
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6
BVCalc Lite
Enhanced dual mode calculator
Free
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RLM-10CX
Scientific Calculator
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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.
Finance and Business calculationsDate and Time interval calculationsAdvanced Statistics and Curve Fitting
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Dozecal
Duodecimal calculator
Free
This educational calculator promotes the use of Base Twelve (duodecimal) in math and science. It offers standard mathematical functions in both duodecimal and decimal modes, with automatic conversion between them. It utilizes Reverse Polish Notation (RPN) for calculations.
Duodecimal and Decimal modesAutomatic mode conversionRPN (Reverse Polish Notation) input
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Halcyon Calc
by Halcyon Touch Software
$4.99
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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Halcyon Calc Lite
by Halcyon Touch Software
Free
This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.
Symbolic expression manipulationGraphing of expressionsMatrix and vector calculations
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free with in-app purchases