Best apps like Calx: Stack calculator

10+ similar apps compared and reviewed

3.7 avg rating

4 free apps

Updated October 2026

Calx: Stack calculator

Daniel Clelland

🔧 Utilities

📊 Productivity

Whether you want more options like Calx or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Calx

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More apps like Calx

|RPN| Scientific Calculator

by Bradley Smith

$0.99

This calculator app uses Reverse Polish Notation for powerful calculations. It offers customizable color schemes, layouts, and online help, designed for flexibility and usability. All features are unlocked with a one-time purchase.

Reverse Polish Notation (RPN)Viewable stackSelectable portrait/landscape layouts

Write, Edit, Save & Graphing

$1.99

This app functions as a powerful calculator with a notebook interface, allowing users to write, edit, save, and graph complex calculations. It supports a wide range of mathematical and statistical functions, including scientific and complex number calculations, with features like copy, cut, and paste for easy editing.

Notebook interface for calculationsEdit, save, and graph historyScientific and graphic calculator functions

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Scientific Calculator

$3.99

This app provides a multi-functional calculator with a familiar interface. It includes scientific, unit conversion, and logic calculation modes, along with extensive mathematical functions and constants. Calculations can be shared across modes, and it supports copy-paste functionality.

Scientific calculator modeUnit converter and calculatorLogic calculator (n-base conversion)