북캘린더 - 독서기록·도서관 반납 알림

📅 Keep track of borrowed book return dates with notifications — Book Calendar (formerly Book Track)

🔔 Library return notifications (3 days before & on the day), reading records on the calendar, and barcode book search—all in one place.

📚 A neat reading calendar app that organizes physical books, library books, and e-books using a colored dot calendar.

━━━━━━━━━━━━━━━━━━━━━

✨ Key Features

━━━━━━━━━━━━━━━━━━━━━━

🔔 Library Return Notifications (The core of this app)

• If you register a return date for a borrowed book, you will receive notifications 3 days before and on the day of return.

• Overdue books are highlighted separately with a red card on the main screen.

• Return dates are visible at a glance as red dots on the calendar.

• If you have extended the loan at the library, you can extend the return date by 7 days with a single button press.

• You can edit the registration, rental, and return dates directly in the book details at any time.

📅 Reading Records Accumulating on the Calendar

• The date the book was registered, the return date, and the date pages were read are marked on the calendar as dots of different colors.

• Tapping a date displays the records for that day.

📖 Page Progress and Notes

• Record the pages read and short impressions for each day by date.

• You can leave ratings and reviews for books you have finished reading.

🔍 Quick Book Search · Barcode Scan

• Search by title, author, or ISBN, or scan the ISBN barcode to register immediately.

• Reliably retrieves information from multiple official book sources.

📚 My Library · Statistics

• Manage books by classifying them into "Reading," "Finished," and "Wishlist."

• View monthly and yearly reading trends in graphs.

📊 Popular Borrowed Books Nationwide

• Explore rankings of popular borrowed books by age, gender, category, and region.

💾 Excel Export/Import Backup

• Export your entire library to Excel and restore it exactly as it is, even if you change devices.

━━━━━━━━━━━━━━━━━━━━━

🔒 Personal Information

━━━━━━━━━━━━━━━━━━━━━━━

• All reading records are stored only on the device. They are not transmitted to external servers.

• Only the search terms entered when searching for books are sent to the official book search API.

• No login or sign-up is required.

━━━━━━━━━━━━━━━━━━━━━━

🙏 Recommended for:

━━━━━━━━━━━━━━━━━━━━━━

• Those who frequently borrow books from the library and miss return dates

• Those who read both physical books and library books

• Those who want to track their progress while reading a single book over several days

• Those who want to collect their reading records on a clean calendar UI

📮 Inquiries & Suggestions: hscho7908@gmail.com

🔐 Privacy Policy: https://jejpapa.github.io/booktrack-docs/privacy-policy.html