BookShelf is a reader for language learners. Import your own EPUB books, tap any word for an instant translation and an AI-powered grammar explanation, then save words to your personal vocabulary and export them to Anki, Quizlet, or CSV.
How do I add a book?
Open the Library tab and import any EPUB file from your device or cloud storage. Once imported, tap the book to start reading. Tapping a word while reading opens the translation.
What does Pro include?
Pro unlocks unlimited AI translations, advanced grammar explanations, and unlimited cloud vocabulary sync. It's available as a monthly or annual subscription, and the annual plan includes a free trial.
How do I restore a purchase?
If you've already subscribed and reinstalled the app or switched devices, open the subscription screen and tap Restore Purchase. Your Pro access is tied to your Apple ID and will be restored without paying again.
How do I cancel my subscription?
Subscriptions are managed through your Apple ID. Go to Settings → your name → Subscriptions on your iPhone, select BookShelf, and cancel there. You'll keep Pro until the end of the current billing period.
How do I export my vocabulary?
Open the My Words tab and use the export option to send your saved words to Anki, Quizlet, or a CSV file you can use anywhere.
How do I delete my account?
Go to Settings → Delete Account inside the app. This permanently removes your account and associated data. If you need help, email us any time.