Unitto — calculator, converter

Calculator and converter without ads

Calculator, converter and more.

Look for Calculator on your home screen after installing the app.

• Deep customization: themes, number formatter and etc.

• No ads, in-app purchases or asking for donations

• Open source

Calculator

• Home screen widget

• Copy, paste, save and share expression results

• Trigonometric functions

• Fractional output

Unit converter

• 590 units

• Home screen widget

• Built-in currency converter

• Favorite units

• Organize unit groups

• Smart search algorithm

Date calculator

• Add and subtract dates

• Calculate difference

• Create events in calendar

Time converter

• Add to favorites

• Add labels to time zones

Permissions

INTERNET ("full network access")

Used in Unit Converter to update currency rates. Requests are made only when you select a currency unit.

ACCESS_NETWORK_STATE ("view network connections")

Used in Unit Converter as a callback. Retries to update currency rates if there was an error (no network, for example) and the Internet connection is back.

WAKE_LOCK ("prevent device from sleeping")

Not used explicitly in code. Added automatically by Widget feature.

android.permission.RECEIVE_BOOT_COMPLETED ("run at startup")

Not used explicitly in code. Added automatically by Widget feature.

android.permission.FOREGROUND_SERVICE ("run foreground service")

Not used explicitly in code. Added automatically by Widget feature.

You can always check the source code and build the app yourself: https://github.com/sadellie/unitto