Clio Audiobook Player

Clio is a clean, customizable open-source audiobook player for Android.

Audio & Playback Control

* Built-in equalizer with spoken voice presets (Vocal Clarity, Treble Boost, Bass Cut, De-Esser)

* Independent skip intervals for rewind and fast-forward (e.g. 30s forward, 10s backward)

* Auto-rewind after pauses and skip silence support

* Volume boost for quiet recordings

* Variable playback speed

Smart Library & Queue

* Flexible audiobook queue with drag & drop reordering

* Folder-based organization (single book, author, and series structures)

* Bookmark feature with timestamps

* Automatic resume: open your last played book directly on startup

* Fast library search, multi-selection, and cover art picker

Intelligent Sleep Timer

* Manual or scheduled auto-timer (e.g. active during night hours)

* Smooth fade-out and stop at end of chapter

* Shake to extend

Detailed Listening Statistics

* Monthly and yearly overview of your listening habits

* Seamless import of existing history from "Smart AudioBook Player"