AI Audiobook Reader - Castly
SlothEase Utilities iPhoneiPadiPod touch
AI Audiobook Reader - Castly is a free Utilities app for iPhone and iPad by SlothEase. Requires iOS 18.0. Updated October 24, 2026.
- Price
- Free
- on the App Store
- Size
- 29 MB
- Age 12+
- Updated
- Oct 24
- 2026 · v1.7
Screenshots
About AI Audiobook Reader - Castly
Turn your own EPUB, PDF and TXT books into audiobooks with AI character voices. Bring a story you already have, follow the text as it reads, and give its characters distinct voices. BRING YOUR OWN BOOK Import an EPUB, PDF or TXT file, review its chapters, and start listening. Keep your ebooks and stories together in your library. AI CHARACTER VOICES Castly analyzes story characters and assigns different voices to narration and dialogue. Choose voices to suit your story and adjust the cast to your liking. READ AND LISTEN Follow the text while audio plays, change playback speed, and return to where you left off. Keep listening in the background or set a sleep timer when winding down. MAKE TIME FOR YOUR BOOKS Enjoy your own novels, ebooks and writing while commuting, walking or taking a break from the screen. CASTLY PRO Some character-voice features require Castly Pro. See available plans, pricing and included features in the app before subscribing. Privacy Policy: https://fit.slothease.com/en/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.7 · Updated October 24, 2026
Open a dedicated search page from your library. Keep your search and results when returning from a book. Improved navigation and added crash diagnostics.
App privacy
The developer, SlothEase, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to AI Audiobook Reader - Castly
Looking for apps like AI Audiobook Reader - Castly? Here are 6 similar apps on the App Store. The highest rated is BookNPC: AI Audiobook Maker (3.5/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| AI Audiobook Reader - Castly | – | Free | October 24, 2026 | |
| BookNPC: AI Audiobook Maker | 3.5 / 5 (2) | Free | Oct 24, 2026 | Compare |
| GrepTag: Search & Tag Books | – | Free | Sep 19, 2026 | Compare |
| ShhVoice | – | Free | Oct 20, 2026 | Compare |
| 第二相册-外置硬盘照片备份 | – | Free | Sep 8, 2026 | Compare |
| 幻影通讯录 | – | Free | Jun 4, 2026 | Compare |
| Meow Mood Diary | – | Free | Sep 17, 2026 | Compare |