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No. Your puzzles, photos and stats live on your iPhone and sync through your own iCloud. A Puzzle Pals account (Sign in with Apple) is only for friends: visiting each other's shelves, tagging each other and cheering each other on.

There's nothing to press: every puzzle syncs to your own private iCloud by itself, so a new iPhone picks up right where you left off. Make sure you're signed in to iCloud (iPhone Settings → your name → iCloud) and that Last Piece may use it; Settings → Your puzzles in Last Piece shows how syncing is going. Version 1.0 also offers Export a backup in the same place.

Your first two puzzles are free, with the rebuild, the shelf, the timer and stats. Last Piece Lifetime is one purchase, not a subscription: keep every puzzle you finish, plus every rebuild effect, the Lake Cabin, Seaside and Midnight Library shelves, every frame, the alternate app icons and the Home Screen widgets. It's shared with your Family Sharing group, and puzzles friends tag you in never count toward the free ones.

Open Settings in Last Piece → Last Piece Lifetime → Restore Purchases, signed in with the Apple ID that bought it.

Tap + → Start a puzzle and the clock starts. It keeps running on your Lock Screen, in the Dynamic Island and on your Apple Watch, with Pause and Finished buttons right there. Tap Finished when the last piece goes in, snap the photo, and it's on your shelf.

Open the Pals tab, tap Find your Puzzle Pals, agree to the community rules and sign in with Apple. Then tap Find pals to search by name or handle (for people who've turned on Let puzzlers find me) or to enter a friend's code, or tap Invite to share your own link or QR code. In version 1.0, pals are in Crew → Pals.

Once you're pals, pick a pal in a puzzle's Who built it to tag them: the puzzle lands on their shelf too, box and all. Either of you can take yourself off a puzzle at any time from its … menu.

Yes. In a puzzle's Who built it, tap Invite someone and send the link however you like. When they join, you become pals and the puzzle is waiting on their shelf. The link works for 60 days; to take it back, tap their name in Who built it.

With it on (Settings → Puzzle Pals), your pals can visit your shelf, see what's on your table, and get a little note when you start or finish a puzzle or earn a badge. They can cheer you on, too. Only people you've said yes to as pals can see it, never strangers. Turn it off any time: puzzles nobody is tagged in, and the news you sent, are deleted from our servers.

Pal news never arrives between 10 pm and 8 am where you are; it waits in your inbox instead. To stop it completely, turn off pals' news in Settings → Notifications.

Your first name, the name you gave the person you're inviting, and the puzzle's title, brand, piece count and box photo. Anyone with the link can see those until the invite expires after 60 days. The first person to accept becomes your pal and gets the puzzle on their shelf; after that the link only makes pals. Cancel an invite any time from the app.

From the … menu on a pal, a pal request or anything they shared, choose Report or Block; Unfriend and Block are also on each pal's page. Blocking removes their puzzles and news from your shelf and inbox, closes your shelf to them, and stops their requests, tags and cheers; they aren't told. We review every report within 24 hours.

In Last Piece, open Settings → Puzzle Pals → Delete account (Settings → Account in version 1.0). It removes your profile, your pals and everything you shared from our servers. Your own puzzles stay on your iPhone and in your iCloud.

Last Piece is made for iPhone, on iOS 18 or later. The timer also shows on Apple Watch, in the Smart Stack.