Private reading journal for iPhone

Reflect on each book.
No feed.

When you finish a book, Canto asks you a few questions about it and writes you a reflection in return. No followers, no ratings, no public shelf. Free to use, with an optional Canto+ subscription.

Download on the App Store
A Canto reflection on The Remains of the Day
A Reader's DNA portrait in Canto, archetype The Uninvited Witness
Canto's Chosen screen with three recommended books

For readers who care about more than a count

Most reading apps track what you read. Canto asks why it mattered.

You add a book when you finish it. Canto asks a few questions, specific to that book and to how you have answered before, then writes you a reflection: not a summary, a record of what the book did to you, in your own words.

Reflections are written by AI from your answers and stay private to you. There is no feed to post them to.

01

End-of-book reflections

A few questions when you finish, then a reflection written from your answers. Saved to your library. Each one makes the next more specific to you. Reflections are always free.

02

Reader's DNA

After five reflections, Canto writes a portrait of how you read: an archetype, a line that names your habit, and a few paragraphs of evidence from your own words. Rewritten every five books. Part of Canto+.

03

Recommendations with reasoning

Three picks at a time: one from your own list, one that matches the feeling in your reflections, one from outside what you usually read. Each with the reasoning. Part of Canto+.

A real reflection

The Long Way to a Small, Angry Planet · Becky Chambers
August 25, 2026
· · ·

Something clicked for you with this book that you hadn't quite named before reading it.

You've read Red Rising, The Poppy War, Hyperion, the full Dark Tower run. Those are books where the plot is a kind of pressure system, where the world or the conflict is always bearing down on the characters, shaping them under duress. The Wayfarer crew doesn't work that way. Chambers gives them room to just be people, and you noticed that the anthology structure let each character carry their own small weight without the story needing to instrumentalize them for a larger purpose. That's a real difference, and the fact that it worked on you here says something specific: you don't need the pressure to care. You need the writing to earn the people.

What's worth sitting with is that you've actually responded to characters across all of these books, even the most plot-heavy ones. What you might be figuring out is less about genre preference and more about ratio. In Dark Age or Morning Star, character depth and plot momentum share the same space and neither one waits for the other. Here, the character work gets the whole room. Both can land, and they did, but in different ways and probably for different versions of your attention.

The fact that you'd read it again, and that you didn't pick it yourself, suggests the recommendation did something useful: it handed you a book that confirmed something true about you that you hadn't quite articulated yet.

· reflection ·

From the developer's own library, unedited. Written by AI from his answers to Canto's questions about the book.

A real Reader's DNA

Reader's DNA
July 2026, from 22 reflections
· · ·

The Thread Closer

You stay for thousands of pages because you trust the architecture, and you measure every book by the moment its hidden connections finally lock into place.

· reader's dna ·

The archetype and its one-line trace, from the developer's own account. The full portrait runs a few paragraphs and is rewritten every five reflections.

Reader's DNA is part of Canto+. Yours is built only from your own reflections.

Canto is built on a different set of assumptions.

Canto app icon

Free on the App Store.

Reflections are free. Canto+ adds Reader's DNA, extended reflections, cross-book insights, and recommendations.