Contact us.

Questions, problems or ideas about Tuble? Email us.

For a conversion problem, tell us your device, its iOS version and what kind of PDF it is.

Common questions.

How do I get Pro on a new device?

Pro is a one-time purchase tied to your Apple ID. On the new device, open Settings in Tuble and tap Restore purchase.

How do I sync my iPhone and iPad?

Turn on Sync with iCloud in Tuble's Settings on each device, signed in to the same Apple ID. Sync is free for everyone.

How do I back up my library?

In Settings, Back up books and notes saves a backup file to the place you pick in Files.

What happens when I remove a book?

Remove takes a book out of Reading. Its highlights and notes stay in the Notebook under Archived notes.