Software Alternatives & Startups

Preact.js VS Apache Weex

Compare Preact.js VS Apache Weex and see what are their differences

Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.

Preact.js Landing page
Rating
0 reviews
Pricing
Open source
Apache Weex

A framework for building mobile cross-platform UIs

Apache Weex Landing page
Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Preact.js seems to be a lot more popular than Apache Weex. While we know about 97 links to Preact.js, we've tracked only 1 mention of Apache Weex.

social mentions
97 vs 1
Javascript UI Libraries popularity
100% vs 0%
alternatives listed
240+ vs 26

Base details

Website, pricing, platforms and company facts side by side.

Preact.js
Apache Weex
Website preactjs.com weex.apache.org
Pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Preact.js 5 features
Apache Weex 5 features
  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.
  • Cross-Platform Development
    Apache Weex allows developers to build applications for both iOS and Android platforms using a single codebase, which can significantly reduce the development time and costs.
  • Native Performance
    Weex enables near-native performance by rendering UI components with native views rather than web-based views, providing a smoother user experience compared to some other cross-platform frameworks.
  • Flexible Extension
    Developers can easily extend the framework with native modules, allowing seamless integration with the native capabilities of the platforms, which enhances flexibility and feature-richness.
  • Strong Community Support
    Being an Apache project, Weex has a broad community and contribution base, providing good support, extensive documentation, and a range of plugins and tools developed by the community.
  • Dynamic Updates
    Weex allows for efficient updating of applications by pushing incremental updates directly to users' devices without the need for app store resubmission, enabling rapid iteration.

Possible disadvantages

  • Limited Ecosystem
    Compared to more popular frameworks like React Native or Flutter, Weex has a smaller ecosystem, which means fewer third-party libraries, tools, and plugins are available for developers.
  • Complex Native Integration
    While Weex allows for native module integration, the process can be complex and may require additional native development expertise compared to some other frameworks.
  • Documentation and Resources
    Although the community is active, some developers have found Weex's documentation to be less comprehensive or harder to navigate compared to other competing frameworks.
  • Inconsistent Performance
    Performance can vary significantly depending on the complexity of components and how they are implemented, leading to potential inefficiencies in more demanding applications.
  • Market Adoption
    Weex is not as widely adopted in the industry as some other frameworks, which could influence the long-term viability and industry-wide support available for using it.

Analysis

An editorial look at what each product does well and who it suits.

Preact.js
Apache Weex

Overall verdict

  • Preact.js is a strong option for projects where performance and load time are critical, or where a light footprint is necessary. Its compatibility with React makes it a flexible and efficient alternative in scenarios where React may be overkill due to its larger size.

Why this product is good

  • Preact.js is known for its small size and high performance, making it an excellent choice for developers who need a lightweight alternative to React without sacrificing functionality. It offers a familiar API for React developers, ensuring an easy transition, and is highly efficient in terms of rendering performance. Preact also offers excellent compatibility with existing React tools and ecosystems, meaning many React packages work seamlessly with Preact.

Recommended for

    Preact.js is recommended for developers building applications with stringent performance requirements, those needing to optimize for fast loading times in environments with limited bandwidth or resources, or those looking to integrate React-like architecture in smaller projects without introducing the full weight of the React library.

No analysis of Apache Weex yet.

Videos

Walkthroughs and reviews on video.

Preact.js 1 video + Add
Apache Weex 0 videos + Add

JS frameworks are replaceable

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Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Preact.js
Apache Weex
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
91% 91%
9% 9%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Preact.js no reviews yet
Apache Weex no reviews yet
  • Top JavaScript Frameworks in 2025
    solguruz.com · Nov 2024

    PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one...

  • 20 Next.js Alternatives Worth Considering
    tms-outsource.com · Apr 2024

    Preact is like React’s little sibling, smaller in size but with the same familiar moves. It’s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in...

  • 20 Best JavaScript Frameworks For 2023
    www.lambdatest.com · Feb 2023

    Preact is built with the same core principle of React – A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance,...

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We have no reviews of Apache Weex yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Preact.js 97 mentions
Apache Weex 1 mention
  • How to Convert Supplier CSVs to Shopify/Amazon/WooCommerce Without Uploading to a Server
    eBay: 30+ fields (item specifics, variations, shipping) Each schema is a JSON file defining field names, data types, and validation rules. The mapper walks source → target assignments and applies type coercion (string → number, date... - Source: dev.to / 4 months ago
  • Can Claude Code migrate VanillaJS/HTML/CSS to Preact/Tailwind?
    First of all, I was concerned that React would add a lot of overhead for a Chrome Extension, which should be pretty light and quick. So I decided to use Preact, which, as its homepage states, is a "fast 3kB alternative to React with the... - Source: dev.to / 5 months ago
  • Shopify App: October 2025 Updates
    And because of this change Shopify have also moved to Preact as the main framework for building UI extensions. Preact if you haven't heard of it is a smaller and faster alternative to React but is compatible with React. - Source: dev.to / 11 months ago

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Alternatives to Preact.js and Apache Weex

When comparing Preact.js and Apache Weex, you can also consider the following products.