Software Alternatives, Accelerators & Startups

PyPy VS NativeScript

Compare PyPy VS NativeScript and see what are their differences

PyPy logo PyPy

PyPy is a fast, compliant alternative implementation of the Python language (2.7.1).

NativeScript logo NativeScript

Build truly native apps with JavaScript
  • PyPy Landing page
    Landing page //
    2023-10-15
  • NativeScript Landing page
    Landing page //
    2023-10-21

PyPy features and specs

  • Performance
    PyPy is known for its superior execution speed and performance, often outperforming the standard CPython interpreter for many workloads thanks to its Just-in-Time (JIT) compilation strategy.
  • Compatibility
    PyPy aims to be compatible with standard Python, so many programs and libraries that run on CPython should work on PyPy without or with minimal changes.
  • Memory Efficiency
    Due to its garbage collection mechanism, PyPy often results in lower memory usage as compared to CPython, which can be beneficial for memory-intensive applications.
  • Concurrency
    PyPy provides better support for concurrency, including potentially avoiding some of the Global Interpreter Lock (GIL) performance issues present in CPython.

Possible disadvantages of PyPy

  • Compatibility Limitations
    Although PyPy aims to be compatible with Python, not all extensions and libraries available for CPython work flawlessly with PyPy, particularly those relying on C extensions.
  • Startup Time
    PyPy has a slower startup time than CPython due to the JIT compilation overhead, which could be a downside for scripts primarily dealing with short-lived processes.
  • Larger Memory Footprint
    While PyPy can be more memory efficient in the long term, the JIT compilation process can result in a larger initial memory footprint which could affect applications with limited memory resources.
  • Platform Support
    PyPy might not support all platforms or the latest Python features immediately, potentially causing issues for users relying on cutting-edge Python developments or specific system architectures.

NativeScript features and specs

  • Cross-Platform Development
    NativeScript allows developers to write code once and deploy it across multiple platforms, including iOS and Android, which saves time and resources.
  • Native Performance
    Since NativeScript directly uses native components, it delivers high performance comparable to native applications, unlike some other cross-platform solutions.
  • Rich Ecosystem
    NativeScript offers a rich ecosystem of plugins and modules, making it easy to extend functionalities and integrate with various services.
  • Single Codebase
    Maintaining a single codebase for both iOS and Android reduces development and debugging efforts.
  • Open Source
    Being open source, NativeScript has strong community support and continuous improvements driven by developers around the world.
  • Access to Native APIs
    NativeScript allows direct access to native APIs, giving developers more flexibility and control over platform-specific features.

Possible disadvantages of NativeScript

  • Steep Learning Curve
    The framework requires an understanding of native development concepts, which can be complex for new developers or those not familiar with mobile development.
  • Lack of Third-Party Components
    Compared to more mature frameworks, NativeScript has a limited number of third-party libraries and UI components available.
  • Performance Overhead
    Despite high performance, there is still some overhead compared to fully native applications due to the abstraction layer.
  • Limited Community Support
    Although the community is growing, it is still smaller compared to mainstream frameworks like React Native or Flutter, which might result in slower issue resolution and fewer resources.
  • Maintenance and Updates
    Keeping the framework and its plugins up to date with the latest iOS and Android releases can be challenging and resource-intensive.

Analysis of NativeScript

Overall verdict

  • NativeScript is considered a good choice for developers seeking to create cross-platform mobile applications with a native look and feel while using web technologies they are already familiar with. It balances the flexibility of web development with the performance and capability of native apps.

Why this product is good

  • NativeScript is a popular open-source framework for building native mobile applications using JavaScript, TypeScript, Angular, Vue.js, or Svelte. It allows developers to write and maintain a single codebase for both iOS and Android, which can significantly reduce development time and effort. NativeScript provides access to native APIs, ensuring that apps can leverage device capabilities to deliver a truly native user experience. Additionally, the community and plugin ecosystem offer resources and tools to enhance app functionality and streamline development processes.

Recommended for

  • Web developers looking to leverage their existing skills to build mobile apps.
  • Teams that need to maintain a single codebase for multiple platforms.
  • Projects that require deep integration with native device features.
  • Developers familiar with frameworks like Angular, Vue.js, or Svelte who want to build mobile applications.

PyPy videos

PyPy - the hero we all deserve. - Amit Ripshtos - PyCon Israel 2019

More videos:

  • Review - Using the PyPy runtime for Python
  • Review - How PyPy runs your program

NativeScript videos

NativeScript VS React Native 2019 | performance | community | plugins

More videos:

  • Review - Which one is best for you? Flutter, React Native, Ionic or NativeScript?
  • Review - 7 Things to Know When Learning NativeScript

Category Popularity

0-100% (relative to PyPy and NativeScript)
Website Builder
100 100%
0% 0
Development Tools
0 0%
100% 100
Development
100 100%
0% 0
JavaScript Framework
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare PyPy and NativeScript

PyPy Reviews

We have no reviews of PyPy yet.
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NativeScript Reviews

Top 10 Flutter Alternatives for Cross-Platform App Development
With the framework, developers get the option to craft a completely native experience even without interfering with the user interface. Those who are familiar with JavaScript can leverage NativeScript to its fullest.
Top 5 Flutter Alternatives for Cross-Platform Development
NativeScript is a powerful framework that empowers developers to build Web, iOS, Android, and Vision Pro apps on a single codebase. If you’re comfortable with web development, especially Angular or VueJS, you’ll find NativeScript accessible.
Source: www.miquido.com
10 Best Open Source Firebase Alternatives
The native apps you develop use the richness of the mobile platform and offer the performance you need for mobile devices. NativeScript uses native APIs and controls to render, allowing you to create more sophisticated apps compared to using a hybrid approach.
10 Best Tools to Develop Cross-Platform Desktop Apps 
NativeScript doesn’t require Angular or Vue.js but works better when used together for cross-platform app development. This runtime framework implements JavaScript, its superset TypeScript and Angular Native, and can render a variety of apps, be they gaming, streaming, geolocation, or chat apps. The user interface is in XML and CSS. A single, reusable codebase can be applied...
Top JavaScript Frameworks For Mobile App Development
NativeScript is an open-source, cross-platform, free mobile framework that assists in the creation of a truly native Android and iOS mobile apps. These apps can be built with JavaScript, Angular, Vue.js or TypeScript. Programming using NativeScript reduces the development time and lines of code, to a large extent. Many organizations globally have been implementing it because...
Source: medium.com

Social recommendations and mentions

Based on our record, NativeScript should be more popular than PyPy. It has been mentiond 21 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.

PyPy mentions (9)

  • CPython Internals Explained
    There are quite a few JITs: JIT-compiler for Python https://pypy.org/ Python enhancement proposal for JIT in CPython https://peps.python.org/pep-0744/ And there are several JIT-compilers for various subsets of Python, usually with focus on numerical code and often with GPU support, for example Numba https://numba.pydata.org/numba-doc/dev/user/jit.html Taichi Lang https://github.com/taichi-dev/taichi. - Source: Hacker News / 7 months ago
  • Pydrofoil: Accelerating Sail-based instruction set simulators
    Gains than using either compiler alone. This uses the PyPy JIT framework to speed up a RISC-V simulator. https://pypy.org/ https://github.com/pydrofoil/pydrofoil Pydrofoil: A fast RISC-V emulator generated from the Sail model, using PyPy's JIT. - Source: Hacker News / over 1 year ago
  • One Billion Nested Loop Iterations
    "On average, PyPy is 4.4 times faster than CPython 3.7." https://pypy.org/. - Source: Hacker News / almost 2 years ago
  • Ask HN: Are my HPC professors right? Is Python worthless compared to C?
    If you're going the pure Python route, don't forget to try PyPy[1], an alternative JITed implementation of the language. A seriously underrated project, IMHO. Most time it speeds up execution by a factor of 2x-4x, but improvements of about two orders of magnitude are not unheard of. See for example [2]. Numeric, long-running code shoud suit PyPy optimizations well. [1] https://pypy.org/ [2]... - Source: Hacker News / almost 2 years ago
  • Yes, Ruby is fast, but…
    Python: My Python-foo is limited, so I only ported the last problem (a simple while loop) and ran it with PyPy. It takes a bit less of time:. - Source: dev.to / over 2 years ago
View more

NativeScript mentions (21)

  • Top 10 Frameworks for Hybrid Mobile Apps in 2026
    NativeScript is a hybrid mobile app framework that allows developers to build truly native iOS and Android apps using JavaScript, TypeScript, or Angular. Unlike frameworks that rely on WebViews, NativeScript provides direct access to native APIs, ensuring apps perform like native applications. It is ideal for developers who want the convenience of JavaScript while leveraging full native functionality. - Source: dev.to / 9 months ago
  • What are JavaScript Engines?
    NativeScript is a good example of a runtime built specifically for cross-platform native mobile application development built using JavaScript. - Source: dev.to / over 1 year ago
  • Gio UI – Cross-Platform GUI for Go
    A long time ago, nativescript[1] seemed to be a strong alternative to reactnative. Is that still the case? [1] https://nativescript.org/. - Source: Hacker News / over 2 years ago
  • Ask HN: Flutter or React Native?
    I'm curious about this topic as well. I would also add NativeScript[1] in the comparison. [1] https://nativescript.org/. - Source: Hacker News / over 2 years ago
  • Svelte Native: The Svelte Mobile Development Experience
    This is not so much the Svelte equivalent of React Native as it is just NativeScript (https://nativescript.org). - Source: Hacker News / over 2 years ago
View more

What are some alternatives?

When comparing PyPy and NativeScript, you can also consider the following products

cx_Freeze - cx_Freeze is a set of scripts and modules for freezing Python scripts into executables in much the...

React Native - A framework for building native apps with React

bbfreeze - create stand-alone executables from python scripts

Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript

Numba - Numba gives you the power to speed up your applications with high performance functions written...

Ionic - Ionic is a cross-platform mobile development stack for building performant apps on all platforms with open web technologies.