Tsundoku is an app designed to make reading more enjoyable and to record your reading experiences more deeply.

[Reading Session Recording & BGM Function]
The timer mode allows you to measure your reading time in real time, and you can concentrate on reading while listening to the app's built-in background music. You can also manually add past reading records.

[Badge & Achievement System]
Earn over 24 types of badges in 7 categories, including the number of books read, consecutive reading days, and number of pages read, through gamification. Unique achievements such as early riser and night owl are also available.

[Book Review Creation (Literary Review)]
A book review function that allows you to review multiple books at once. Choose from 3 design templates (literary magazine style, cafe style, and zine style) to publish professionally laid out book reviews.

[Quote & Highlight Management]
Save memorable quotes and notes found while reading, categorized into 4 types: "Quote," "Note," "Summarize," and "Question." Visually organize them with color coding and share them with the community.

[Reading Goals & Statistics Dashboard]
Set annual and monthly reading goals (number of books/pages) and visualize your progress with monthly graphs. You can also check detailed statistics such as reading speed and daily heatmaps.

[Social Feed & Reading Community]
A reading SNS function where you can interact with readers you follow (finished reading, reviews, collection creation, etc.) through likes and comments, as their activities (finished reading, reviews, collection creation, etc.) flow through your timeline.

[Bookshelf & Collection Management]
Manage your books with four statuses: Want to Read, To Be Read, Currently Reading, and Finished. You can also create themed collections to group your favorite books.

[Barcode Scan & Book Search]
Easily add books by scanning the ISBN barcode. Searching by title and author name is also supported.

[Data Import & Export]
Supports CSV import from other reading management services such as Booklog. You can easily migrate your reading records.