Privacy

Sum Spark is published by Upcott Studios. Questions: [email protected].

There are no accounts. Sparks, streaks, and the sound you pick are saved only in this browser. We do not ask for a child’s name, email, or location.

The home page keeps a simple visit count: one number that goes up when someone opens the calculator. It does not store who visited.

The site names a Google AdSense publisher account in ads.txt. If advertising is shown, Google may use cookies under its own policy. We do not sell personal information.