CastReader
Read webpages, PDFs, and books aloud with synced highlighting
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What is CastReader?
CastReader is a text-to-speech and AI explanation tool that reads webpages, PDFs, Kindle books, and AI answers aloud with synchronized highlighting in 9 languages. Its signature "Read & Explain" feature provides contextual AI explanations for difficult passages. Available as browser extensions (Chrome, Edge, Firefox) and mobile apps (iOS, Android), with optional private voice cloning for Pro members.
CastReader pricing
Pricing model: Freemium
Free tier + Pro subscription (specific pricing not shown on page)
CastReader pros
- Reads diverse content types (webpages, PDFs, Kindle books, AI answers) with real-time synced highlighting across multiple platforms
- "Read & Explain" feature provides AI-guided explanations for difficult passages with source references
- Multi-language support (9 languages) with full German integration including voice choice and Kindle OCR
- Private voice cloning for Pro users enables personalized reading in their own voice; highly rated (4.7-5.0 stars across platforms)
CastReader cons
- Private voice cloning limited to 120 minutes per membership month (Pro tier only)
- Safari support still listed as "Coming Soon"—currently limited to Chrome, Edge, Firefox, and mobile apps
- Specific Pro pricing not disclosed on landing page; free tier limitations not clearly outlined
Frequently asked questions about CastReader
What content can CastReader read?
CastReader reads webpages, PDFs, Kindle books, EPUB, Word documents, TXT files, and AI answers (like Claude responses) with synchronized highlighting.
Does it work with Kindle books?
Yes. The mobile app (iOS/Android) offers a dedicated Kindle bookshelf with synced highlighting and resume progress. The Chrome extension also reads Kindle Cloud Reader text aloud.
What languages are supported?
CastReader supports 9 languages with full German support including voice choice, extension interface, and Kindle OCR.
Can I use my own voice with CastReader?
Pro subscribers can record and clone their own voice for use with PDF, EPUB, Word, and TXT files (limited to 120 minutes per month).