KotoKey: Custom Keyboard

Mechanical Key Sounds & Themes

Only for iPhone

Free · In‑App Purchases

iPhone

Enjoy the look and sound of a physical keyboard on your iPhone, with customizable themes, key sounds, QWERTY typing, Japanese flick input, and Text Replacements. KotoKey is a custom keyboard that brings the look and sound of a physical keyboard to your iPhone. Make everyday typing feel more satisfying. Customize your keyboard with themes and typing sounds, and enjoy a typing experience that feels more personal and comfortable. Main features • Keyboard themes inspired by physical keyboards • Typing sounds you can choose to match your mood • English QWERTY and flick input • Japanese flick and romaji input • Predictive suggestions for smoother input • Text Replacements for words and phrases you use often • Auto Shift, Double-Space Period, and Smart Apostrophe Save frequently used words, email addresses, and phrases as Text Replacements, then enter them faster whenever you type. Your input is processed on your device, and the basic keyboard features work without Full Access. Bring a pleasant keystroke feel to your everyday typing with KotoKey.

  • 4.1
    out of 5
    7 Ratings

- Refined the colors of the Graphite theme. - Added an option to adjust the keyboard height in Settings. - Added an option to show or hide the number row. - Added an option to switch between full-width and half-width spaces for Japanese input. - Fixed an issue with the red circle indicator in English flick input.

The developer, Natsumi Hayakawa, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
Natsumi Hayakawa
Size
67.3 MB
Category
Utilities
Compatibility
Requires iOS 17.5 or later.
  • iPhone
    Requires iOS 17.5 or later.
Languages
English and Japanese
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Natsumin