Keyboard² is a custom keyboard that enables you to play the keyboard on your iPhone & iPad!

- You can enter numbers and mathematical symbols.
- You can enter the musical scales of ABC music notation.
- You can play sound.
- You can play a chord.

- You have to do the additional procedure of Keyboard² to use it. (Preferences -> General -> Keyboard)
- Then, you also have to turn on the "Full Access" for Keyboard².
* Please don’t worry - we do not collect your data at all.

- Please do not hesitate to contact us for any defect reports or questions/requests.
- We will consider any requests for additional functions.

What’s New

Version 1.2

- Overall maintenance has been performed in line with recent OS updates.
- The user interface has been updated.

App Privacy

The developer, Takuto Nakamura, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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