Numero

A fast, focused calculator and unit converter for iPhone. Basic, scientific, and programmer modes. 14 unit categories. Live currency. Private by design.

What's inside

Three calculator modes Basic, Scientific, and Programmer with bitwise operators.

14 unit categories Length, mass, temperature, time, speed, area, volume, pressure, energy, power, angle, frequency, data, fuel.

Live currency Daily rates from the European Central Bank via Frankfurter.app, with an offline-ready snapshot.

iCloud history Every calculation and conversion syncs across your own Apple devices through your private iCloud.

Widgets Home Screen and Lock Screen widgets for last result and pinned converters.

Siri and Shortcuts "Convert 100 dollars to euros." "Calculate 12 times 4." Instant answers.

Privacy

Numero collects no data. No analytics, no advertising identifiers, no third-party trackers. Your history syncs only through your private iCloud — we have no server. See the full privacy policy.

Support

Questions, bug reports, or feature requests — visit the support page or email sampathinturi@gmail.com.