# Flutter Catalog

> Opensource Flutter showcase app, with side-by-side source code view.

Canonical page: [https://chrome-stats.com/d/io.github.x\_wei.flutter\_catalog](https://chrome-stats.com/d/io.github.x_wei.flutter_catalog)

## Overview

- **ID:** `io.github.x_wei.flutter_catalog`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Maxing Labs
- **Category:** LIBRARIES\_AND\_DEMO
- **Downloads:** 229,836
- **Rating:** 4.73 / 5 (2,741 ratings)
- **Version:** 3.9.0
- **Last updated:** 2026-05-24
- **First published:** 2018-08-05
- **Publisher country:** CH
- **Size:** 103 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=io.github.x_wei.flutter_catalog)
- **Website:** [https://github.com/X-Wei/flutter\_catalog/issues](https://github.com/X-Wei/flutter_catalog/issues)
- **Privacy policy:** [https://sites.google.com/view/flutter-catalog-privacy-policy](https://sites.google.com/view/flutter-catalog-privacy-policy)

## Description

Flutter Catalog is an open source Flutter app designed to help developers learn and explore Flutter components effortlessly. The app features a showcase of various Flutter widgets and UI elements with an innovative side-by-side layout, allowing users to see live demos alongside their source code. This makes it an invaluable tool for understanding Flutter's capabilities and accelerating development. You can browse different component demos from the home page, with the corresponding source code displayed immediately for quick reference. The project is maintained on GitHub at https://github.com/X-Wei/flutter_catalog, encouraging collaboration and community contributions.

## Rankings

- #148,845 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.BILLING`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `io.github.x_wei.flutter_catalog.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Overall, Flutter Catalog is a highly praised educational and reference app for learning Flutter, especially for beginners, with strong UI/UX and helpful code previews. Users appreciate its educational value, ease of learning basics to advanced topics, and positive experience. However, several recurring issues reduce satisfaction: some examples (GPT/GROQ) don't work as advertised, the visual design is sometimes criticized as looking bad, some code examples are overly complex for beginners, and there are requests for upgrading to Material 3 to modernize the UI.

### Pros

- Strong educational resource for learning Flutter, suitable for beginners to intermediate developers
- Helpful reference with code previews that aids learning and quick lookup
- Positive learning experience and knowledge gain, with many users highly satisfied
- Good UI/UX design that enhances usability and navigation
- Beginner-friendly guidance that feels mentor-like and accessible

### Cons

- Some examples (GPT/GROQ) do not work as advertised, reducing usefulness
- Visual design is occasionally criticized as looking bad or dated
- Certain code examples are too complex for beginners
- Need Material 3 upgrade to modernize the UI and stay up-to-date

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Source: [Chrome-Stats](https://chrome-stats.com/d/io.github.x_wei.flutter_catalog)