Double Byte

A number puzzle for iPhone and iPad. Join matching numbers to make bigger ones.

In short: Double Byte collects nothing. There are no accounts, ads, purchases or tracking. Your game is saved on your iPhone or iPad and, if you use iCloud, copied to your iCloud account, which we cannot see.

Help

Is my game saved?

Yes, after every move, on your iPhone or iPad. If you use iCloud, a copy also goes to your iCloud account, so your game comes back if you delete the app and install it again.

Can I go back to an earlier game?

Tap the pause button, then Earlier days, and choose a day. The app keeps your game from each day you played. After Start over, Deal a new board or Set my level, the pause menu also offers to bring back the game you had before.

How do I turn the sound off?

Tap the speaker next to the pause button. Tap it again to turn it back on.

Something else?

Privacy policy

Last updated: October 5, 2026

What we collect

Nothing. Double Byte collects no personal information and sends none to us or anyone else.

Where your game is kept

On your iPhone or iPad and, if you use iCloud, in your iCloud account. Apple keeps that copy under your Apple Account; we have no access to it. Deleting the app does not delete the iCloud copy.

No accounts, ads, purchases or tracking

The app contains no analytics or other outside code and no links that leave the app. It connects to nothing except your iCloud account.

Children

Double Byte collects nothing from anyone, children included.