Unicode Keyboard lets you easily type in any of the more than 111,000 unique Unicode symbols.

Just tap the desired symbol, and you can start typing right away in the app. You don't have to copy and paste the symbols from your device's keyboard, as this app lets you do it directly.

The app supports a variety of input methods, including the default method, which lets you type directly on the keypad of your device.

You can even set the font and size of the keypad, and the color of the keypad and background of the keyboard.

Unicode Keyboard is free to download and use, without having to pay a penny. It comes without ads or in-app purchases, and it doesn't require unnecessary permissions.