Best Halcyon Calc Lite alternatives: apps like Halcyon Calc Lite

10+ similar apps compared and reviewed

4.5 avg rating

10 free apps

Updated November 2026

Halcyon Calc Lite

Halcyon Touch Software

Whether you want more options like Halcyon Calc Lite 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 Halcyon Calc Lite

#1

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

Scientific Calculator

Editor's Choice

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.

#2

RLM-11CX by R.L.M. Software

Scientific & Programable

Strong Contender

3.1(7 ratings)

FreeIn-App Purchases

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This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.

#3

ThetaCalc by Felix Stehli

Worth Considering

4.3(4 ratings)

Free

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This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.

More apps like Halcyon Calc Lite

by Paul Wilkins

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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3D graphing calculator

This application offers advanced 2D and 3D graphing capabilities for various function types, alongside a comprehensive scientific calculator. It supports implicit graphing, complex number visualization, and symbolic differentiation. The calculator includes user-defined variables, live evaluation, and probability density functions.

2D and 3D graphingImplicit graphingComplex number visualization

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This app faithfully recreates the TI-57 programmable calculator, offering its full scientific functions and programming capabilities. It includes a user manual, sample programs, and features like turbo speed and alphanumeric display.

TI-57 recreationScientific functionsProgramming capabilities

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Complex RPN Calculator

Complex RPN Calculator

Complex RPN Calculator

Complex Numbers RPN Calculator

This scientific calculator utilizes a four-level stack and natively handles complex numbers. It allows users to input and view numbers in both polar and rectangular formats, remembering its state and offering 10 memory locations.

Complex number supportFour-level stackPolar and rectangular formats

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RPN Calculator. HP-35, 45, 21

Emulates classic Hewlett Packard RPN scientific calculators from the 1970s. Experience the original HP-35, HP-45, and HP-21 models on your iPhone.

RPN calculator emulationHP-35 modelHP-45 model

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Omega Calculator

Omega Calculator

Omega Calculator

Basic & Scientific Calculator

A beautiful and intuitive calculator app for iPhone and iPad, offering both basic arithmetic and advanced scientific functions. It features a smooth, fluid interface with large, colorful buttons and high-quality mathematical typesetting. Results are saved to a history tape and synced across devices, with customizable themes available.

Basic and scientific calculation modesIntuitive and fluid interfaceHigh-quality mathematical typesetting

free with in-app purchases

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HP-41 Microcode Emulator

Experience the most accurate HP-41CX calculator emulation. This app provides full microcode-level emulation of the original NUT processor, ensuring 100% hardware-accurate behavior. It features a modern interface, expandable ROM modules, and built-in documentation for a classic yet contemporary user experience.

True microcode emulationModern user interfaceExpandable with ROM modules

free with in-app purchases

Compare with Halcyon Calc Lite