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CastReader - AI Read Aloud

CastReader - AI Read Aloud

Read with Love, Shared in Time

1 ratings
1 review
🔧 Utilities
Free

Details

  • Released
  • Updated
  • January 15, 2026
  • July 15, 2026

Features

Developer

ohsame Inc
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About

This app transforms your reading into an audio experience with natural voices and synced highlighting. It offers AI-powered explanations for complex passages, making difficult texts easier to understand. Listen to books, documents, and web pages while on the go.

✓Listen to Kindle books, PDFs, EPUBs
✓AI explanations for complex text
✓Synced highlighting with read-aloud
✓Auto-scroll and resume progress
✓Background and lock-screen playback
✓Supports web pages, photos, and pasted text
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What's New in CastReader

1.2.9

July 15, 2026

- Added 18 multilingual voices: 5 Japanese, 3 Spanish, 1 French, 3 Brazilian Portuguese, 2 Italian, and 4 Hindi. - Added language filtering for voices, with a relevant language selected by default so voices are easier to find. - Improved reliability and performance across reading, Explain, content imports, and subscriptions.

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User reviews

Most RecentHighest RatedLowest Rated

Finally, a better way to finish Kindle books

I’ve been a Kindle user for years, and CastReader fills a gap I’ve always wanted: a smooth way to listen to my Kindle books while still staying connected to the original text. The synced highlighting makes it easy to follow along, and the resume experience is great for walks, commutes, or when I just want to rest my eyes.

The AI Explain feature is what really makes it stand out. For dense passages, unfamiliar terms, or books that are a bit harder to follow, it doesn’t just read the words aloud — it helps me understand them. It feels like having a reading companion for long-form books.

If you use Kindle a lot and want to actually finish more books, CastReader is absolutely worth trying.
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FAQ

What kind of content can CastReader read aloud?

CastReader can read aloud Kindle books, PDFs, EPUBs, web pages, articles, photos, screenshots, scanned text, TXT files, and pasted text. It's designed for long-form reading materials like study materials, papers, reports, contracts, and manuals.

How does CastReader's AI Explain feature work?

AI Explain generates spoken explanations for difficult passages and draws handwritten-style notes directly on the original text. It highlights key ideas, circles terms, numbers steps, and guides your eyes as you listen, acting like a personal tutor.

Does CastReader offer background playback?

Yes, CastReader supports background and lock-screen playback. This allows you to continue listening to your content even when the app is not actively in the foreground or when your device is locked.

Can I resume reading where I left off with CastReader?

Absolutely. CastReader offers auto-scroll functionality and allows you to resume your progress when you come back later. This ensures you never lose your place in the content you are listening to.

What languages does CastReader's AI Explain support?

CastReader's AI explanations are available in English and Chinese. The app aims to make understanding difficult texts accessible to a wider range of users.

Is CastReader available on multiple devices?

Based on the provided data, CastReader is currently supported on iPhones. Further platform availability may be announced by the developer in future updates.

How often is CastReader updated?

The latest version of CastReader is 1.2.9, and it was last updated on July 15, 2026. The release date was January 15, 2026, suggesting a relatively active development cycle.

Does CastReader have ads?

No, CastReader does not contain advertisements. The app is free to use with a daily quota for read-aloud and AI explanations, with an option to upgrade for more features.