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Open your Profile, tap the gear (Settings), scroll to the bottom and tap Delete account, then type DELETE to confirm. This permanently deletes your account, synced collection, posts, photos and videos you shared, comments, reviews, showcases, swaps and messages. It can't be undone, so export a backup first if you want to keep a copy (Profile → Export backup).

If you can't sign in, email us from the address on your account and we'll delete it for you.

Yes. Sign in with the same account and your collection, sessions, ratings, showcases and settings sync automatically. A new device shows "Syncing your shelf" until it has loaded your data.

Photos are the exception: box, progress and finished photos, and timelapse frames, are stored only on the device that took them. To move them to another device, use Profile → Export backup (it includes photos) and choose Import backup on the other device. Importing replaces that device's current data, so do it on a new or empty device.

On iPhone, the Home Screen web app and Safari keep separate sign-ins, so you may need to sign in to each.

Use the menu on a post, comment, profile or showcase and choose Report or Block. Reports go to us for review. Blocking hides each of you from the other: they can't see your posts, comments, shelf or showcases, or send you swap requests. You can unblock people in Profile → Blocked puzzlers.

If someone is in danger, contact your local emergency services first.

Turn on Profile → Private profile. This hides your shelf, finished list, stats and swaps. Your posts, comments, public showcases and reviews stay visible to other members.

Use the Phone notifications switch in your Profile, separately on each device. On iPhone, notifications work from the Cornerpiece Home Screen web app (iOS 16.4 or later).

Catalog details come from brands, retailers and product databases and can be out of date. Email us the puzzle name or barcode and what's wrong, and we'll fix it.