Best TechniCalc Calculator alternatives: apps like TechniCalc Calculator

10+ similar apps compared and reviewed

4.8 avg rating
6 free apps
Updated November 2026

Looking for something like TechniCalc Calculator? 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 TechniCalc Calculator

Plus42#1

Plus42 by Thomas Okken

Enhanced HP-42S Calc Simulator
Editor's Choice
🔧 Utilities
4.9(81 ratings)
$9.99
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This advanced scientific calculator simulates the HP-42S RPN calculator with enhanced features. It offers algebraic expressions, unit conversions, directories for storage, a larger resizable display, time value of money functions, and 2D plotting with integral and root finding.

PCalc#2

PCalc by TLA Systems Ltd.

The Best Calculator
Strong Contender
🔧 Utilities
4.7(779 ratings)
$9.99In-App Purchases
#99in Utilities
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A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Numerical³#3

Numerical³ by Andrew J Clark

The Calculator Without Equal
Worth Considering
🔧 Utilities
4.8😊(1.3K ratings)
Free
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A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

What We Love

  • 🚀 Great app
  • 👍 Simple and intuitive
  • 👍 Clean and beautiful design
  • 🚀 Fast and responsive
  • 👍 Customizable themes
  • 👍 Useful features (history, editing, no equals)
  • 👍 No ads

Room to Improve

  • 🐛 Bugs and glitches (unresponsive keys, calculation errors)
  • 🔍 Lack of advanced functions (scientific, unit conversion)
  • 💡 Needs more theme options
  • 💡 Needs iPad support
  • 💡 Needs widget support

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A versatile calculator app for Apple devices that offers instant results, editable expressions, and synchronized history across all your devices. It includes unit conversion and is free with no ads. An optional one-time purchase unlocks advanced features like currency conversion and history tools.

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Free

This app is a faithful open-source simulation of the HP-42S scientific calculator and its associated printer. It offers a complete rewrite without requiring original ROM images, allowing users to run existing programs on their mobile devices.

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This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.

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