AudiFlo Features Overview

AudiFlo turns DOCX, PDFs, EPUBs, TXT, and web novels into immersive audio with a privacy-first mindset.

Last updated: March 27, 2026

Offline friendly Character voices Annotations & highlights

Core Features

Built for readers who prefer listening.

Character Voice Player

Assign unique voices to characters with smart name detection and narrator separation.

character voice tts app setup guide.

Broad format support

Read EPUB, PDF, DOCX, TXT, and web novel content in one workflow.

Focused EPUB flow: epub reader with tts.

EPUB image support

Inline images and cover extraction improve EPUB reading and listening continuity.

Smart TOC + chapter detection

Auto-detect chapter structures and navigate large books faster.

Multilingual playback

Playback extends beyond English for broader reading accessibility.

Offline premium generation

Includes karaoke-style lyrics player with three offline generation engines.

Offline-first details: offline tts app android.

What's New

Latest features from the Play Store update.

Infinite scroll mode

Full-scroll reading inside players for seamless chapter-to-chapter flow.

Massive library optimization

Performance tuning for very long stories and large chapter counts.

UI/UX stability pass

Ongoing polish and reliability improvements for daily listening sessions.

Security & Privacy

Local-first storage

Books, notes, and voice mappings stay on your device unless you opt into sync.

Compare with paid options: free speechify alternative android.

Strong encryption

AES-256-GCM for sensitive local data with keys stored in Android Keystore or iOS Keychain.

Granular control

Disable analytics, manage notifications, and delete synced data at any time.

Quick Specs

Sync backend

Firebase Auth + Firestore with user-isolated rules and HTTPS/TLS transit.

Analytics

Anonymous usage and crash reports to improve stability; no content collection.

Performance

Optimized for long sessions with wake locks, battery optimization exceptions, and foreground playback.