Best Halcyon Calc Lite alternatives: apps like Halcyon Calc Lite

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

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

Scientific Calculator

Editor's Choice

5.0(1 ratings)

FreeIn-App Purchases

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.

SwiftRPN by Patrick Gelvin

Strong Contender

0.0(0 ratings)

Free

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

Scientific & Programable

Worth Considering

3.1(7 ratings)

FreeIn-App Purchases

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.

More apps like Halcyon Calc Lite

bcRPN

by Paul Wilkins

Reverse Polish Notation (RPN) inputComplex number calculationsExtended precision math

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.

(4)

Plottron

3D graphing calculator

2D and 3D graphingImplicit graphingComplex number visualization

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.

(12)

ThetaCalc

by Felix Stehli

Reverse Polish Notation (RPN) calculatorUser-programmable functionsJavaScript equation support

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

(4)

Complex Numbers RPN Calculator

Complex RPN Calculator

Complex number supportFour-level stackPolar and rectangular formats

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.

(22)

RCL-57

by Paul Novaes

TI-57 recreationScientific functionsProgramming capabilities

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.

(0)

RPN Calculator. HP-35, 45, 21

HP-35

RPN calculator emulationHP-35 modelHP-45 model

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

(5)

Basic & Scientific Calculator

Omega Calculator

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

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.

free with in-app purchases

(42)