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Usagi

Open-source manga reader for Android
Usagi is a free and open-source manga reader for Android, inspired by Kotatsu


Usagi's unique features:

- Bypass internet firewalls with tunnels built into the app, expanding access to more content.
- Integrate more new user interface styles (Modern, Classic, etc.)
- Improve the ability to customize / read offline / downloaded manga.
- The accompanying services are regularly updated (Sync server / client, bot, proxy, etc.)
- Optimized for low-end devices / phones, continue to maintain / support for Android 5.0+
- Providing access to content with external plugins / extensions.
- Provides bug fixes for features that previously existed in Kotatsu.
- Provides more options to customize the user interface (style, background, etc.).

Main features from Kotatsu:

- Search manga by name, genres and more filters
- Favorites organized by user-defined categories
- Reading history, bookmarks and incognito mode support
- Download manga and read it offline. Third-party CBZ archives are also supported
- Clean and convenient Material You UI, optimized for phones, tablets and desktop
- Standard and Webtoon-optimized customizable reader, gesture support on reading interface
- Notifications about new chapters with updates feed, manga recommendations (with filters)
- Integration with manga tracking services: Shikimori, AniList, MyAnimeList, Kitsu
- Password / fingerprint-protected access to the app
- Automatically sync app data with other devices on the same account
- Support for older devices running Android 6.0+
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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.0.0-rc1 (18) suggested Added on Aug 11, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • android.permission.AUTHENTICATE_ACCOUNTS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • find accounts on the device
      Allows the app to get the list of accounts known by the phone. This may include any accounts created by applications you have installed.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_ACCOUNTS
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • show notifications
      Allows the app to show notifications
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read sync settings
      Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
    • read sync statistics
      Allows an app to read the sync stats for an account, including the history of sync events and how much data is synced.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • request delete packages
      Allows an application to request deletion of packages.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • android.permission.USE_CREDENTIALS
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • toggle sync on and off
      Allows an app to modify the sync settings for an account. For example, this can be used to enable sync of the People app with an account.
    • org.draken.usagi.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 14 MiB PGP Signature | Build Log

  • Version 0.0.32-beta1 (15) - Added on Jul 11, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • android.permission.AUTHENTICATE_ACCOUNTS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • find accounts on the device
      Allows the app to get the list of accounts known by the phone. This may include any accounts created by applications you have installed.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_ACCOUNTS
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • show notifications
      Allows the app to show notifications
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read sync settings
      Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
    • read sync statistics
      Allows an app to read the sync stats for an account, including the history of sync events and how much data is synced.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • request delete packages
      Allows an application to request deletion of packages.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • android.permission.USE_CREDENTIALS
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • toggle sync on and off
      Allows an app to modify the sync settings for an account. For example, this can be used to enable sync of the People app with an account.
    • org.draken.usagi.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 14 MiB PGP Signature | Build Log

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