Software Alternatives, Accelerators & Startups

ConfigCat VS Preact.js

Compare ConfigCat VS Preact.js and see what are their differences

ConfigCat logo ConfigCat

ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.

Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
  • ConfigCat Landing page
    Landing page //
    2019-11-22

ConfigCat is a developer-centric feature flag service that helps you turn features on and off, change their configuration, and roll them out gradually to your users. It supports targeting users by attributes, percentage-based rollouts, and segmentation. Available for all major programming languages and frameworks. Can be licensed as a SaaS or self-hosted. GDPR and ISO 27001 compliant.

  • Preact.js Landing page
    Landing page //
    2023-05-11

ConfigCat

$ Details
freemium
Platforms
iOS Android Swift Objective-C Java JavaScript .Net Python Go PHP Cross Platform Browser Ruby React Native ReactJS Node JS Laravel Elixir ASP.NET API Web REST API Linux Windows Kotlin

ConfigCat features and specs

  • Integrations
    Slack, CircleCI, GitHub, DataDog, Trello, Jira Cloud, Zapier

Preact.js features and specs

  • 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 of Preact.js

  • 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.

Analysis of ConfigCat

Overall verdict

  • ConfigCat is generally considered a good choice for teams looking to implement feature flags and manage remote configurations efficiently. Its user-friendly interface, comprehensive features, and reliable performance make it a popular option among developers and tech companies.

Why this product is good

  • ConfigCat is a feature flag and remote configuration service that allows developers to manage features and configurations across different environments without deploying new code. It is known for its simplicity, ease of integration, and robust API, which supports multiple platforms and programming languages. The service offers a reliable infrastructure with data centers in multiple regions, ensuring high availability and performance. Additionally, ConfigCat provides advanced targeting and segmentation capabilities, allowing feature releases to be rolled out gradually or to specific user groups, minimizing the risk associated with feature deployment.

Recommended for

    ConfigCat is recommended for software development teams, product managers, and organizations that require efficient feature management and configuration control. It is particularly useful for teams practicing continuous integration and delivery, agile development, or those with frequent release cycles, as it enables quick and safe experimentation and feature rollouts.

Analysis of Preact.js

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.

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Preact.js videos

JS frameworks are replaceable

Category Popularity

0-100% (relative to ConfigCat and Preact.js)
Feature Flags
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100
Developer Tools
74 74%
26% 26
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 ConfigCat and Preact.js

ConfigCat Reviews

Top Mobile Feature Flag Tools
ConfigCat is a managed feature flag and remote configuration tool that allows an unlimited number of team members on all their plans. They claim to be functional and friendly with clear public documentation, a slack support channel, and a simple pricing model. ConfigCat is a cross-platform solution, with open source SDKs. They offer feature flags and remote configuration...
Source: instabug.com
Feature Toggling Tools for $100 or less
In summary, LaunchDarkly’s ‘Starter Package’ supports the most SDK’s and their web interface is slightly more functional. ConfigCat’s “Pro” package allows large teams to work together. Rollout’s Solo package is the most convenient for A/B testing. Bullet Train’s “Scale-Up” package is suitable for low traffic applications. FeatureFlow’s ‘Medium’ package is ideal if you don’t...
Source: medium.com

Preact.js Reviews

Top JavaScript Frameworks in 2025
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 of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
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 perfectly.
20 Best JavaScript Frameworks For 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, and leaner size. In instances where the full potential of React isn’t necessary, most developers even use React during development and switch to Preact for...
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

Social recommendations and mentions

Based on our record, Preact.js should be more popular than ConfigCat. It has been mentiond 93 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.

ConfigCat mentions (55)

  • Using OpenFeature with ConfigCat
    I've said a lot about OpenFeature. Let's see how it integrates with ConfigCat, a feature management platform with first-class OpenFeature support. - Source: dev.to / 7 months ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, excellent support, and a reasonable price tag. Free plan up to 10 flags, two environments, 1 product, and 5 Million requests per month. - Source: dev.to / over 1 year ago
  • How to Use ConfigCat Feature Flags with Docker
    ConfigCat allows you to manage your feature flags from an easy-to-use dashboard, including the ability to set targeting rules for releasing features to a specific segment of users. These rules can be based on country, email, and custom identifiers such as age, eye color, etc. - Source: dev.to / over 1 year ago
  • Add ConfigCat to Next.js App
    I recently started helping my friend @jordan-t-romero with a NextJS and NodeJS project she is working on. This weekend we incorporated ConfigCat so that we can add feature flags to control what content is displayed in the different environments (local, staging, production, etc.). - Source: dev.to / almost 2 years ago
  • Running an A/B Test in Android Kotlin Using ConfigCat and Amplitude
    But how can you be sure you’re making the right changes? It’s impossible to read your clients’ minds, but A/B testing might just be the next best thing. In this article, I’ll guide you through conducting an A/B test on an Android (Kotlin) application using ConfigCat’s feature flag management system and Amplitude. - Source: dev.to / almost 2 years ago
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Preact.js mentions (93)

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What are some alternatives?

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

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

Svelte - Cybernetically enhanced web apps

Flagsmith - Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Vue.js - Reactive Components for Modern Web Interfaces

Unleash - Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.

React - A JavaScript library for building user interfaces