PlainApp

PlainApp is an open-source app that lets you securely manage your phone from a web browser. Access files, media, contacts, SMS, calls, and more through a simple, easy-to-use interface on your desktop.

Features

Privacy First

• All data stays on your device — no cloud, no third-party storage
• No Firebase Messaging or Analytics; only crash logs (optional) via Firebase Crashlytics
• Secured with TLS + AES-GCM-256 encryption

Ad-Free, Always

• 100% ad-free experience, forever

Clean, Modern Interface

• Minimalist and customizable UI
• Supports multiple languages, light/dark themes

Web-Based Desktop Management
Access a self-hosted webpage on the same network to manage your phone:

• Files: Internal storage, SD card, USB, images, videos, audio
• Contacts, SMS, and call logs
• Installed apps (with APK export)
• Notifications and device info
• Screen mirroring
• PWA support — add the web app to your desktop/home screen

Built-in Tools

• Markdown note-taking
• RSS reader with clean UI
• Video and audio player (in-app and on the web)
• TV casting for media

Always Improving

• More features are on the way

PlainApp is designed with simplicity in mind, so you can focus on what matters most: your data.

Video: https://www.youtube.com/watch?v=TjRhC8pSQ6Q

Reddit: https://www.reddit.com/r/plainapp

Discord: https://discord.gg/RQWcS6DEEe

QQ Group: 812409393

Disclaimer

• ⚠️ The project is under very active development.
• ⚠️ Expect bugs and breaking changes.
• ⚠️ It is not perfect, I am always looking for ways to improve. If you find that the app is missing a certain feature, please don’t hesitate to submit a feature request.
• ⚠️ I kindly request everyone to ask questions and engage in discussions in a friendly manner.

Donations ❤️

This project needs you! If you would like to support this project’s further development, the creator of this project or the continuous maintenance of this project, feel free to donate.

Your donation is highly appreciated. Thank you!

• Buy me a cup of Ko-Fi!

• Use WeChat to scan the code

Screenshots

Compatibility

PlainApp requires Android 9.0 or higher.

FAQ

http://docs.plain.icu/faq.html

Support

PlainApp is fully open-source.
If you have any doubts, you’re free to review the code, build your own version, or simply choose not to use it.

If you run into issues, feel free to open a GitHub issue — I’m always happy to help.

Please don’t leave a one-star review without giving it a fair try.

Build

1. Generate release.jks file under $rootProject/app folder.

keytool -genkey -v -keystore ./app/release.jks -keyalg RSA -keysize 2048 -validity 10000 -alias plain

2. Create keystore.properties file with following content under $rootProject folder.

storePassword=
keyPassword=
keyAlias=plain
storeFile=release.jks

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