Book library
Add books, track progress, organize reading status, and preserve book context for notes and flashcards.
Android book tracker
Naitsundoku: Book Tracker
Track what you read, capture notes, review flashcards, and build durable reading habits from one focused app.
Core workflows
A study surface for readers who keep going.
Naitsundoku keeps library tracking, notes, review, and progress together without turning reading into a noisy dashboard.
Reading sessions
Capture session history, pages read, streaks, and long-term reading patterns.
Notes and reminders
Create manual notes, add optional page references, and schedule reminders without subscription restrictions.
Flashcard review
Review questions in a spacious study view with hidden answers and difficulty feedback.
AI highlight tools
Use highlighted text photos to draft notes or flashcards from the passages you want to remember.
Badges
Unlock progress badges that reward sustained reading, review, note-taking, and study habits.
Current access
All app features are currently free.
The launch version is focused on testing the complete reading workflow without ads or subscription purchase options.
Free launch access
$0
All features included
- Book library and reading sessions
- Manual notes and reminders
- Flashcards and review tools
- AI highlight notes and flashcards
- 30 AI generations per user per day
- No ads
Optional subscription plans may be introduced in the future. Any changes will be communicated in advance.
Publishing status
The app is moving through testing.
We are validating the complete Android experience before a wider Google Play release.
Internal testingTester invitations are being collected and managed manually in Google Play Console.
Closed testingNext step after the internal build is ready and the required tester period begins.
ProductionNot yet available. The release date will be announced after testing and review.
Join internal testing
Help test Naitsundoku before public release.
Enter the email address of the Google account you will use to accept the Google Play testing invitation. You will still need to accept the invitation in Google Play.
Use the same Google account email that should receive the Play test invitation.
Built around reading habits
For book tracking, notes, flashcards, and review.
BooksLibrary and progress tracking
NotesManual notes and reminders
CardsFlashcard review workflow
HabitsBadges, streaks, and stats
Naitsundoku policies
Privacy, terms, and support for the book tracker.
These pages apply to Naitsundoku specifically. Umbrella-wide Morrowshift policies can be added later when there are more products under the brand.