CastReader: Read Aloud Books

CastReader: Read Aloud Books

Audiobook from PDF, EPUB, Web

9 ratings
8 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • January 15, 2026
  • August 16, 2026

Features

CastReader: Read Aloud Books video #1 for iPhone
CastReader: Read Aloud Books screenshot #2 for iPhone
CastReader: Read Aloud Books screenshot #3 for iPhone
CastReader: Read Aloud Books screenshot #4 for iPhone
CastReader: Read Aloud Books screenshot #5 for iPhone
CastReader: Read Aloud Books screenshot #6 for iPhone
CastReader: Read Aloud Books screenshot #7 for iPhone
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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
Show original description
+5

What's New in CastReader

1.2.25

August 16, 2026

• Your bookshelf now leads the Home screen: connect Kindle, Kobo, Google Play Books, or O’Reilly and pick up right where you left off. • Clearer Pro plans with a 7-day free trial. • More reliable Kindle book opening, faster library connections, and fixes to highlighting and playback.

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Subscription plans

CastReader Pro (Monthly)

Unlimited read-aloud & explain, all voices, 3x speed

$4.991 Month
7 Days trial
How to cancel CastReader subscription ⁉️

Events

Read more about Back-to-School Study Boost

Back-to-School Study Boost

Study on 7 different days by September 15

Aug 18, 2026 Sep 15, 2026

User reviews

Seamless

Not bad,I like it.

Turns My Kindle Books Into Audiobooks

CastReader works great with Kindle and Google Play Books. It can read my books aloud and basically turn my entire library into audiobooks. Super convenient and easy to use — highly recommended!

Explain is more useful than I expected

The Ai explanation is good when a paragraph is dense. I like that it marks the original instead of replacing it with a generic summary 👍

Won’t replace audible but good for books with no audiobook version

The app is a big buggy and stumbles over contractions and place names. However, it’s way better than having Alexa or Siri read.

It’s obvious it’s AI and it pauses at the end of pages, but it’s usable. For some reason I have not been able to read books when I used to read several a week so audio books are my only option.

Cast reader has allowed me to listen to old favorites without cringing (I have aphantasia so sound quality is extremely important to me without visual images to distract me.)
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Kindle sync could be easier

The voices and highlighting are good.
First time Kindle setup was a little confusing though.

Developer apps

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.