Have a question?

Just sign in with Apple or Google, nothing else: no password, no form. Your library is backed up from the first book.

Sign in with the same Apple or Google account: your library comes back. During the trial, Aldus works on one phone at a time.

Settings › My account › Delete my account, or the dedicated page on this site. Delete my account

A 7-day trial with every feature, no credit card. After that, Aldus Pro costs €1.99 per month or €19.99 per year, and you can cancel anytime in your Apple or Google account settings.

Nothing is lost: your books stay visible, searchable and exportable, read-only. Subscribe whenever you like to add, shelve and lend again.

Settings › Restore purchases, with the same Apple or Google account.

Search for them by title, or add them by hand: a title and an author are enough.

Export your list as CSV, then import it from Settings › Import a list. Aldus finds the editions by their ISBN.

On its page, tap Edit. Your corrections always take priority over the sources.

In the Shelves tab, open the shelf you are putting your books on and tap “Shelve here”. Scan them one after another: each one takes that shelf as its address. Rooms, bookcases, shelves and boxes are named your way.

Yes, at any time, even without a subscription: Settings › Export my library, as CSV, with places and loans.

From bibliographic sources: the BnF, Open Library, Google Books and ISBNdb. Each book page says which ones filled it in. The details are on the Sources and licenses page. Sources and licenses