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Privacy policies

Each app handles different information, so each has its own privacy policy. Please choose the app you are using.

No accounts. Nicknames and practice results stay on the phone; with a plan, a copy is backed up online. Child-safe ads only in the 14 free days.

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No servers of our own. Progress stays on your phone unless you sign in to Google Play Games. Ads by Google AdMob.

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Abacus Practice also has a separate page on children's privacy.