In an age where AI gives you instant answers, the value of reading has shifted from "knowing" to "thinking." The point of reading a book isn't to gather information — it's to follow the author's thinking and grow your own questions and insight.
With search and AI, the information itself can be obtained in a moment.
Value comes from how you connect what you gather and turn it into your own questions.
Knowledge becomes power only when you trace the author's thinking and place it in your own context.
Collect your reading log in a database and turn it into summaries, reading notes, and cross-book syntheses. Book Flow is a reading output tool for people who refuse to stop at just reading.
Saving isn't the goal — getting what you read into a usable state is. From summaries and reading notes to cross-book syntheses, Book Flow brings the thinking that follows reading into a single flow.
How Book Flow Works
Gather your reading notes in Notion, building a single place to accumulate scattered insights.
Summaries and reading-note generation turn read-and-forgotten information into a reusable form.
Combine highlights across multiple books and turn your reading into a form you can share and learn from.
Start free with the experience of "one article from your reading notes." For people who keep writing, we offer plans that make reading output a habit.
Book Flow is designed around generation counts — summaries, reading notes, syntheses — rather than how many books you store. The right plan depends on how much you use what you've read.
| Feature | Flow Free | Flow Note | Flow Studio |
|---|---|---|---|
| Kindle highlight import | ○ | ○ | ○ |
| Notion sync | ○ | ○ | ○ |
| OCR transcription | 10 / mo | 50 / mo | 200 / mo |
| Highlight summary | 5 / mo | 30 / mo | 150 / mo |
| Reading-note generation | 3 / mo | 20 / mo | 100 / mo |
| Cross-book highlight synthesis | - | - | ○ |
Import Kindle highlights, and digitize print books too with a photo and OCR. From summaries to organization to cross-book synthesis, Book Flow supports both e-books and physical books together.
Collect your Kindle reading notes in Notion, building a base you can review across books later.
Just photograph the pages of a physical book that caught your eye. OCR transcribes them so print books are managed just like Kindle.
Summarize what caught your attention and restructure it into reading notes, shortening the step before deeper understanding.
Compare and integrate highlights across several books to build perspectives you can use for sharing and learning.
