The UsePhysics mobile app collects no personal data. It has no accounts, no sign-in, no analytics or advertising SDK, and it makes no network requests. All 30 calculators and their explanations are bundled into the app itself.
What stays on your device
Two preferences are saved in the app’s own storage on your phone: which calculators you opened most recently, and whether you chose SI or US/Imperial units. Neither is transmitted anywhere, neither is readable by us, and both are erased when you uninstall the app or clear its data.
What we never receive
No name, email, location, contacts, device identifier, advertising ID, crash report or usage event reaches us or any third party, because the app has no code that sends anything.
Children
The app is a general-audience reference tool and is not directed at children. Since it collects nothing, it holds no children’s data.
Changes and contact
If a future version ever collects anything, this page changes before that version ships. Questions: hello@jukkablomberg.com, or see app support. Published by UsePhysics (usephysics.com), Helsinki, Finland. Last updated 1 October 2026.