Books & News · Open source

CO3

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Feature riche, open source, AO3 mobile client

Download

Opens the official F-Droid page

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About CO3

A free reader app for Archive of Our Own (AO3).

Built because other AO3 apps charge money for features that should be free.

Features:

Custom library with favorites

Category management and organization

Reading history with filters

Native AMOLED support

Offline reading

No subscriptions, no ads, ever.

How to install CO3

  1. Tap Download — the app's official page on F-Droid opens.
  2. Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
  3. If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
  4. Open CO3 from your app drawer.

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