AI Book Summarizer — Read Any Book in 12 Minutes
Summio's AI Book summarizer turns any book into a structured editorial reading at the depth you choose: short, medium, long, or detailed. Free on iPhone, available in 27 languages, with chat over the full source after the summary.
How it works
- Open Summio. Pick "Book".
Tap the Create button on the home tab and choose the book source.
- Search by title or author
Example: e.g. Atomic Habits, James Clear
- Pick depth → start reading.
Choose short, medium, long, or detailed. Tap any line to chat with the source.
What you get
- Search 100,000+ titles or paste an ISBN
- Pick a depth: short, medium, long, or detailed
- Chat with the full text afterwards — every answer cites a passage
Why Summio
| Feature | Summio | Single-purpose tools |
|---|---|---|
| Source breadth | Books, YouTube, articles, PDFs — one app | One source type only |
| Languages | 27 | English-first, a handful |
| Price | Premium $39.99/year ($4.99/month) | Varies — often higher |
Pricing
Common questions
Does Summio cover bestsellers and academic titles?
Yes. The catalogue spans 100,000+ titles across non-fiction, business, science, philosophy, and academic publishing.
Can I read full books inside Summio?
No. Summio generates summaries you read inside the app and points you back to the original work for full reading. We do not host or distribute copyrighted full text.
Which languages can I read summaries in?
All 27 supported interface languages. You can read a summary of an English book in Russian, Japanese, or any of the other 25 locales.