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Best Castly alternatives: apps like Castly: AI Audiobook Reader

10+ similar apps compared and reviewed

3.5 avg rating
10 free apps
Updated November 2026
Castly: AI Audiobook Reader
🔧 Utilities

Looking for something like Castly? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Castly

BookNPC: AI Audiobook Maker#1

BookNPC: AI Audiobook Maker by SUNLIT GRACE PTY LTD

Full-cast, multi-voice TTS
Editor's Choice
🔧 Utilities
3.5(2 ratings)
FreeAdsIn-App Purchases
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BookNPC: AI Audiobook Maker screenshot 6

Transform your eBooks into audiobooks with AI-powered narration. This app intelligently detects characters to assign unique voices, offering an immersive listening experience. Enjoy offline playback with built-in or natural-sounding AI voices, and translate books into multiple languages.

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