What is Summio - Read Less. Know More
Summio is an AI-powered reading companion for iPhone that transforms books, YouTube videos, long articles, and PDFs into structured, editorial summaries. It allows users to chat with any book, save quotes to a personal library, and reinforce learning through spaced repetition.
How to use Summio - Read Less. Know More
- Pick the title: Provide any book, YouTube URL, article link, or PDF.
- Choose the depth: Select the desired summary depth: short, medium, long, or detailed.
- Read. Ask. Keep: Review the generated summary, engage in a conversation with the full text using the chat feature, and save content to your library for offline access.
Features of Summio - Read Less. Know More
- AI Summaries: Generates summaries for books, YouTube videos, articles, and PDFs.
- Adjustable Depth: Summaries can be created at four different depth levels (short, medium, long, detailed).
- Dialogue Feature: Allows users to chat with the full text of any book, with answers providing citations.
- Personal Library: Users can save quotes and content to a personal, offline library.
- Spaced Repetition: Includes tools for learning and retention through spaced repetition flashcards and drills.
- Multi-Source Support: Accepts books (catalog and ISBN), YouTube URLs, article links, and PDF uploads.
- OCR for PDFs: Automatically runs Optical Character Recognition for scanned documents.
- Multi-Language Support: Available in 27 interface languages.
- Private Collections: Users can create public and private collections.
- YouTube MP3 Export: Option to export YouTube content as MP3.
Use Cases of Summio - Read Less. Know More
- Quickly grasp the essence of books, videos, articles, and PDFs.
- Engage in deeper understanding by chatting with the full text of books.
- Reinforce learning and improve knowledge retention through spaced repetition.
- Manage and access a personal library of saved quotes and summaries.
- Efficiently process information from various sources for study, research, or personal development.
Pricing
Summio offers two subscription tiers:
- Premium:
- $39.99 per year (saves 33% compared to monthly)
- $4.99 per month
- Includes 20 AI summaries per month, unlimited chat, summaries up to "long" depth, and 20 public + 5 private collections.
- Max:
- $79.99 per year (saves 33% compared to monthly)
- $9.99 per month
- Includes 45 AI summaries per month, unlimited everything, summaries up to "detailed" depth, all 27 languages, all five tones of voice, and early access to new features.
FAQ
- Is Summio free? Yes, Summio is free to download and includes a free tier. Premium and Max subscriptions unlock unlimited features.
- What languages does Summio support? Summio supports 27 interface languages, including English, Spanish, French, German, Portuguese, Italian, Russian, Arabic, Japanese, Korean, Simplified Chinese, and Traditional Chinese.
- What can Summio summarize? It can summarize full-length books, YouTube videos, web articles, and PDF documents.
- Does Summio work offline? Generating new summaries and using the chat feature requires an internet connection. However, previously created summaries can be read offline.
- Can I cancel anytime? Yes, subscriptions can be cancelled at any time through your Apple ID settings.
- How accurate are Summio AI summaries? Every claim in a summary is linked to a passage in the source. AI is not perfect, and Summio is intended as a reading companion, not a substitute for professional advice.
- Is Summio available on Android? Currently, Summio is available only for iPhone and iPad on iOS 18 and later. An Android version is planned for the future.
- Who built Summio? Summio is built by a small, independent team.




