: Supports filling out PDF forms with calculations and adding freehand signatures.
: Features a dual-page flip view, text reflow for easier mobile reading, and a TTS engine that continues playing even when the screen is off.
: Includes built-in Dropbox and Google Drive integration (via plugin) for easy document access. Download Options
: The standard paid version with full features.
: A version that requires a redeem code, often used by businesses or schools.
by Unidocs Inc. is a versatile multimedia PDF viewer and annotator for Android that supports interactive features like form filling, text-to-speech (TTS), and embedded multimedia. You can download the official application from the Google Play Store . Key Features
: The app may request access to phone call functions; the developer states this is to automatically pause TTS when you receive a call.