What is Summio?

Summio is an AI reading companion available on the web and iOS. It turns eligible catalogue books, public YouTube videos with usable transcript context, compatible public articles, and compatible text-based PDFs into structured summaries. Users can choose the depth of the summary, chat with the summary and available source context, and save summaries to a library across supported devices.

How to use Summio?

To use Summio, sign in on the web or open the iOS app. Pick a title from the eligible catalogue, paste a public YouTube link, paste a compatible article link, or upload a text-based PDF up to 50 MB and 1,000 pages. Choose the depth (short, medium, or detailed) and read the structured summary. You can chat with the summary and available source context, and save summaries to your library.

Core features of Summio

Structured summaries at adjustable depth (short, medium, detailed)
Chat with summaries and available source context, with citations when available
Companion training: recall questions and memory practice from finished materials
Library to save and organize summaries across supported devices
Supports books, YouTube videos, articles, and text-based PDFs (up to 50 MB and 1,000 pages)
Available in 27 languages