
Castly: AI Audiobook Reader
EPUB, PDF & Character Voices
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Free
In-App Purchases
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About
Give every character a voice. Turn your own EPUB, PDF, and TXT ebooks into audiobooks with Castly. AI identifies characters in your story and assigns different voices to narration and dialogue, making it easier to follow who is speaking.
YOUR BOOKS, READY TO LISTEN
Import a novel or ebook, check its chapters, and start listening. Keep your books together in your library and make time for a story on your commute, on a walk, or before bed.
CHOOSE A VOICE FOR EACH CHARACTER
Give the narrator and characters their own voices. Preview and choose voices to match the people you imagine, then adjust the assignments to suit your story.
READ ALONG AND PICK UP WHERE YOU LEFT OFF
Follow the text while the audio plays, set a comfortable playback speed, and continue from your last listening position when you return.
BACKGROUND PLAYBACK AND SLEEP TIMER
Keep listening while using other apps. Set a sleep timer or stop playback after a selected chapter.
TRY A STORY BEFORE IMPORTING YOUR OWN
Sign in to try a built-in, three-chapter sample story and experience multi-character narration before adding your own ebooks.
CASTLY PRO
Some character voice features require Castly Pro. Check the available plans, prices, and included features in the app before subscribing.
Supports EPUB, PDF, and TXT files. PDFs must contain extractable text.
Privacy Policy: https://fit.slothease.com/en/privacy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in Castly
1.9
October 30, 2026
Updated the App Store listing and screenshots to highlight ebook import, multi-character audiobooks, and choosing and previewing character voices.
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Subscriptions & In-App Purchases
Castly Pro Monthly
Full-cast character voices and richer narration.
$9.991 Month







