Nonius

Eight offline measuring instruments Android doesn't ship, in one small app

Mobile appfreeglobal

Nonius packs eight measuring instruments Android doesn't ship with — a level, compass, ruler, sound level meter, tuner, counter, altimeter, and light meter — into one tiny, offline app with no network permission at all. It's built for people who occasionally need a physical measuring tool on their phone without installing several separate, ad-heavy apps.

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