
Yondazo: Reading Tracker
3 Charts & AI Reading Insights
About
Track your reading progress with detailed charts and insights. Log books, add notes, and visualize your reading journey over time. Offers on-device AI analysis for private habit discovery.
What's New in Yondazo
2.1.0
October 3, 2026
・Get a notification on the 1st of every month to look back on the books you read last month (Settings > Notifications > Monthly Review) ・Your reading notes are now reflected in the AI Analysis yearly summary ・Fixed an issue where some books could not be found in search ・Improved genre estimation accuracy, especially in English ・Fixed an issue where "Related results" was not translated in search results
MoreDeveloper apps
FAQ
What is Yondazo?
Yondazo is a reading log app designed to help you track finished books and analyze your reading journey through various charts and on-device AI insights. It allows you to log notes, ratings, and genres for each book, creating a personal reading journal.
Does Yondazo have ads?
Yes, Yondazo contains advertisements. As a free application, it utilizes ads to support its development and maintenance.
What devices does Yondazo support?
Yondazo is available on iPhone, iPad, and iPod. It is designed to run on Apple devices.
How does Yondazo's AI work?
On compatible Apple devices, Yondazo uses on-device AI to analyze your reading habits privately. This AI can identify patterns like favorite genres, authors, and your reading rhythm without sending any data to the cloud.
Can I back up my reading data?
Yes, Yondazo provides full backup and restore functionality for your reading history in JSON format. This ensures your data is safe and can be transferred seamlessly when switching devices.
How often is Yondazo updated?
The latest version of Yondazo is 2.0.0, and it was last updated on April 13, 2026. This indicates a history of updates, though specific frequency is not detailed.
What is the age rating for Yondazo?
Yondazo has an age rating of 4+. This suggests it is suitable for a wide range of users, including children, with content generally considered appropriate for this age group.
How do I add books to Yondazo?
You can add books to Yondazo by scanning their barcode with your device's camera, which automatically populates the title, author, publisher, and cover. For older books without barcodes, you can search and add them by title.




