SpectraLib
Your Personal Library
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Your library is private.
Only you can see your books.
Send Feedback

Found a bug? Have a suggestion? Your feedback goes directly to the developer.

Cover URL
Auto-filled when you look up an ISBN. You can also paste any direct image link.
Title is required.
Enter a valid page count.
Update Progress
0%
0 of 0 pages
Enter a valid number of pages.
🎉 You've reached 100%! Saving will move this book to Finished.
Delete this book?
This action cannot be undone.
Clear all data?
All books and collections will be permanently deleted from this device.
Consider exporting a backup first.
Reading Goal

Set your yearly reading challenge. Books you mark as Finished this calendar year count toward your goal.

Tap a star to rate
📖 What is this book about?
💭 How was your reading experience?
🎯 Why did you choose to read it?
✍️ Tell us about the author
✨ Key takeaway or favourite quote
👥 Who would you recommend this to?
Clear all data?
All books and collections will be permanently deleted from this device.
Consider exporting a backup first.
Reading Goal

Set your yearly reading challenge. Books you mark as Finished this calendar year count toward your goal.

Tap a star to rate
📖 What is this book about?
💭 How was your reading experience?
🎯 Why did you choose to read it?
✍️ Tell us about the author
✨ Key takeaway or favourite quote
👥 Who would you recommend this to?
Cloud Sync
Your library syncs automatically across all devices using JSONBin.io. Any change you make saves to the cloud within seconds. Open the app on any device and your data is always up to date.
Find this in your JSONBin dashboard under API Keys.
Data Conflict Detected
Both your local data and cloud data have changes. Which version do you want to keep?
Restore Backup?
Your current library will be replaced.
This cannot be undone.
Delete Collection?
Books in this collection won't be deleted —
they'll just be unassigned.