Software Alternatives, Accelerators & Startups

Qalculate! VS React Native

Compare Qalculate! VS React Native and see what are their differences

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Qalculate! logo Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.

React Native logo React Native

A framework for building native apps with React
  • Qalculate! Landing page
    Landing page //
    2023-10-11
  • React Native Landing page
    Landing page //
    2022-10-16

Qalculate! features and specs

  • Versatility
    Qalculate! supports a wide range of calculations, including basic arithmetic, algebra, calculus, and complex mathematical functions, making it suitable for various users from students to professionals.
  • Extensive Unit Conversions
    It provides extensive support for unit conversions across different measurement systems, which is very useful for scientific and engineering computations.
  • Currency Conversion
    The tool includes real-time currency conversion capabilities, allowing users to perform financial calculations with current exchange rates.
  • Customizability
    Users can define their own functions and variables, offering a high degree of customization to cater to specific needs.
  • User-Friendly Interface
    Qalculate! features an intuitive and user-friendly interface, making it accessible even to those who are not highly technically proficient.
  • Cross-Platform
    It is available on multiple operating systems, including Windows, macOS, and Linux, ensuring accessibility for a wide user base.
  • Free and Open Source
    Being open-source and free to use, it offers a cost-effective solution compared to commercial software without compromising on features.

Possible disadvantages of Qalculate!

  • Learning Curve
    Despite its user-friendly interface, the vast array of features and functionalities may present a steep learning curve for new users.
  • Documentation
    While there is documentation available, it may not be as comprehensive or as user-friendly as some users might require, making it challenging to fully utilize all features.
  • Performance
    For very large or complex calculations, the performance might not be as robust or fast as some specialized or commercial tools.
  • GUI Limitations
    The graphical user interface (GUI) might have limitations in presenting very complex calculations or notations as compared to some professional-grade mathematical software.
  • Lack of Community Support
    Being a niche tool, it may not have as large of a community for support and resources as more popular commercial alternatives.

React Native features and specs

  • Cross-platform development
    React Native allows developers to write code once and use it to build applications for both iOS and Android platforms, significantly reducing development time and effort.
  • Performance
    React Native uses native components under the hood, providing better performance compared to hybrid technologies like Cordova or Ionic.
  • Community support
    React Native has a large and active community, which means plenty of libraries, tools, and support are available to help developers solve problems and add features.
  • Hot reloading
    React Native supports hot reloading, enabling developers to see the results of the latest change instantly without losing the application's state.
  • Reusable components
    Developers can use React Native's component-based architecture to create reusable UI components, making code more modular and easier to maintain.
  • Strong backing
    Backed by Facebook, React Native benefits from continuous development, regular updates, and a high level of reliability and stability.

Possible disadvantages of React Native

  • Complexity for advanced features
    Implementing complex features and achieving deep integrations with native APIs may require more effort and a good understanding of native programming.
  • Performance limitations
    While React Native performs well for most use cases, it may still fall short in performance-intensive applications compared to fully native solutions.
  • Limited third-party libraries
    Some third-party libraries might not be available for React Native, or they may lack features compared to their native counterparts.
  • Platform-specific code
    Despite being cross-platform, certain features might still require platform-specific code, increasing the complexity when developing for both iOS and Android.
  • Potential for outdated documentation
    As React Native evolves quickly, some documentation or tutorials might become outdated, leading to confusion and extra effort to find up-to-date information.
  • Size of the application
    React Native applications tend to have larger file sizes compared to their native counterparts due to the inclusion of the JavaScript runtime and other dependencies.

Analysis of Qalculate!

Overall verdict

  • Yes, Qalculate! is considered a good tool by many users, especially those who require more than a basic calculator. Its powerful features and ease of use make it a valuable tool for anyone needing a reliable and multifunctional calculator.

Why this product is good

  • Qalculate! is highly regarded for its versatility as a desktop calculator program. It offers a wide range of mathematical functions, unit conversions, and a user-friendly interface. It's particularly noted for its ability to handle complex calculations, customizable features, and comprehensive library of functions, making it suitable for both casual and advanced users. Additionally, it's open-source, which allows for community contributions and improvements.

Recommended for

    Qalculate! is recommended for students, engineers, scientists, and anyone who requires a robust computing tool for everyday calculations, unit conversions, and advanced mathematical functions. It's also ideal for users who appreciate open-source software and those looking for a customizable and comprehensive calculator.

Analysis of React Native

Overall verdict

  • React Native is generally a good choice for mobile app development, especially if you're looking for a cross-platform solution. Its ease of use, combined with the ability to leverage a single codebase for both iOS and Android, makes it a popular option among developers.

Why this product is good

  • React Native is considered good because it allows developers to build mobile applications using JavaScript and React, enabling code reuse between Android and iOS platforms. This can speed up development time and reduce costs. It also has a vibrant community and a strong ecosystem with numerous libraries and tools, making it easier to implement complex functionalities. Additionally, React Native provides a native-like performance for most use cases, which enhances the user experience.

Recommended for

  • Startups and small businesses looking to develop mobile apps quickly and cost-effectively.
  • Developers with a background in JavaScript and React who want to expand into mobile app development.
  • Projects that require rapid prototyping and iterative development.
  • Applications that need to maintain a shared codebase between web and mobile platforms.

Qalculate! videos

DSP Raspberry Pi 4 Qalculate! Install

React Native videos

React Native in 2019 & Beyond

More videos:

  • Review - What Is React Native?
  • Review - Why React Native is garbage.

Category Popularity

0-100% (relative to Qalculate! and React Native)
Calculators
100 100%
0% 0
Development Tools
0 0%
100% 100
Advanced Calculator
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100

User comments

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Reviews

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React Native Reviews

Explore 9 Top Eclipse Alternatives for 2024
Pioneered by Meta Platforms, Inc., React Native is a remarkable JavaScript framework that merges native app development with JavaScript libraries, offering a dependable solution for creating exemplary native apps for Android, iOS, and other platforms.
Source: aircada.com
Top 10 Flutter Alternatives for Cross-Platform App Development
Introduced in 2015 by Facebook, React Native is an open-source framework based on JavaScript. Being a developer-friendly framework, it’s a mobile-first platform that is capable of rendering mobile apps for multiple platforms, including iOS and Android.
Exploring 15 Powerful Flutter Alternatives
React Native is an open-source UI framework for writing native Android and iOS apps using JavaScript and React. React Native does deliver excellent prototyping capabilities, however. The React framework lends itself nicely to creating basic proofs of concept and experimenting with different interaction models and UI designs with little overhead. Features like Fast Refresh...
THE BEST 34 APP DEVELOPMENT SOFTWARE IN 2022 LIST
Create native apps for Android and iOS using React. React Native combines the best parts of native development with React, a best-in-class JavaScript library for building user interfaces. You can use React Native in your existing Android and iOS projects or you can create a whole new app from scratch. Written in JavaScript—rendered with native code. React primitives render...
Top 10 Visual Studio Alternatives
React native is famous for enabling the users to develop the core native applications and offers the best quality. It does not compromise on providing the best customer services and support. The react-native components surround the codes that already exist and then interact with the native APIs. That, in turn, allows the developers to learn the development process and makes...

Social recommendations and mentions

Based on our record, React Native should be more popular than Qalculate!. It has been mentiond 233 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Qalculate! mentions (34)

  • Show HN: Unsure Calculator – back-of-a-napkin probabilistic calculator
    Https://qalculate.github.io can do this also for as long as I've used it (only a couple years to be fair). I've got it on my phone, my laptop, even my server with the qalc command. Super convenient, supports everything from unit conversion to uncertainty tracking The histogram is neat, I don't think qalc has that. On the other hand, it took 8 seconds to calculate the default (exceedingly trivial) example. Is that... - Source: Hacker News / 2 months ago
  • Frink
    Interesting project. I use command line Qalculate [1] for this (has a very similar feature set to Frink AFAICT) and Pint [2] for scripting. I feel like unit-aware calculators are hugely underused by physical engineers, it's the same idea and benefit as type safety but they're virtually unheard of, everyone just uses excel. Having guaranteed dimensional correctness is so great for the early design stage, it makes... - Source: Hacker News / 3 months ago
  • "A calculator app? Anyone could make that."
    I use qalculate, it behaves well enough for my needs. https://qalculate.github.io/. - Source: Hacker News / 4 months ago
  • Students, what features would you like to see on Windows 12?
    1) a scientific calculator with history and variables with a UI similar to https://sourceforge.net/projects/alt1-calculator/ that also can do units like https://qalculate.github.io/ 2) a tiny text chat direct message program that is similarly as easily accessible at Atl1 3) a minimalist dock of as many instances you would like similar to https://punklabs.com/rocketdock, and like where WIN opens the start menu, WIN... Source: over 1 year ago
  • Paint on Windows is getting layers and transparency support
    Qalculate is my go-to for cross platform calculator that is useful and is not limited to the most basic +-*/ operations. https://qalculate.github.io/. - Source: Hacker News / over 1 year ago
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React Native mentions (233)

  • How I Created and Deployed An iPhone (and Android) App Without A Mac, And So Can You Too
    This course was great for me because one, it was made within the last year (at the time I took the course anyway). It seemed anything older than this had out-of-date information (using an older version of React Native) and it would throw me off when I encountered something that wasn't done using the more recent versions of React Native/Expo. - Source: dev.to / 30 days ago
  • Apprendre Flutter
    React Native: Assez faile à prendre en main si on maitrise React. - Source: dev.to / about 2 months ago
  • Migrating from AngularJS to React
    React skills work for React Native development - Although React Native is a separate framework designed specifically for building mobile applications, many of the skills a developer gains working with the React framework are applicable here as well. - Source: dev.to / 3 months ago
  • The Mobile Development Tech Stack for 2025
    React Native (Official Documentation) allows you to create apps for both iOS and Android with a single codebase, while TypeScript adds type safety to your JavaScript, reducing bugs and improving code quality. - Source: dev.to / 5 months ago
  • React + AI Stack for 2025
    React Native is the powerhouse for cross-platform mobile development. Write once, run everywhere, get native performance when you need it, enjoy hot reloading for rapid development, tap into a huge ecosystem of libraries and tools, and integrate with native modules when you need platform-specific features. - Source: dev.to / 6 months ago
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What are some alternatives?

When comparing Qalculate! and React Native, you can also consider the following products

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

jQuery - The Write Less, Do More, JavaScript Library.

Numi App - Numi is a beautiful text calculator for Mac.

Babel - Babel is a compiler for writing next generation JavaScript.

Event Viewer - Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.

OpenSSL - OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and …