azooKey - Flex Japanese Input

Support custom keys and more

Free

—— azooKey - A Fully Customizable Japanese Keyboard —— High-accuracy conversion, deep customization, and live conversion—all in one app for effortless typing. Open-source, completely free, and built with a privacy-first design so you can use it with confidence. ▶ Cutting-Edge Conversion System ・Powered by “Zenzai,” our neural kana-kanji conversion engine ・Smarter, context-aware conversion that runs entirely offline ▶ Customization ・Edit anything from a single key to entire layouts ・Call up symbols, kaomoji, and snippets instantly with Custom Tabs ・Create GODAN or your own layouts with just a few taps ・Personalize the keyboard’s appearance with easy theming ▶ Live Conversion ・macOS-style real-time conversion optimized for iOS ・Our lightweight engine delivers fast, accurate text conversion ▶ Smooth Typing Assistance ・Hold the spacebar to move the cursor; hold Delete for one-stroke delete and undo ・One-handed mode, adjustable height, and text size for comfortable use on large screens ・Enlarge conversion candidates for quick confirmation of complex kanji ・Cursor movement by flick and a convenient Paste button are also supported ▶ Power-User Features ・Clipboard history saved automatically ・Full support for the iOS user dictionary ・Unicode conversion, half-width kana, random conversion, date insertion, and more advanced options ▶ Privacy & Trust ・Completely offline design that never collects your input ・Source code available on GitHub for anyone to inspect and improve ・No ads, no in-app purchases—every feature is free Supported OS: iOS / iPadOS 17.6 or later (latest version recommended) How to use: Download → Enable in the app → Select azooKey from the globe icon Try a typing environment tailored to you with azooKey.

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▶ New Features - You can now create and edit custom tabs with a QWERTY layout. - Added a Direct Input action that enters text without performing kana-kanji conversion. - You can now display labels above, below, to the left, and to the right of custom keys. ▶ Fixes & Improvements - You can now adjust the position and size of keys directly in the custom tab preview. - Custom actions are now easier to edit. - Improved the keyboard preview so that it automatically fits the width of the screen. - The setting to show the Paste button by flicking up on the cursor movement key is now also available on QWERTY keyboards. - Added support for Unicode 17.0 emoji available on iOS 26.4 and later. - Updated the Zenz conversion model, kana-kanji conversion engine, and dictionary data. - Fixed several other issues and improved overall stability.

The developer, Keita Miwa, 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 Not Linked to You

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

    • User Content
    • Usage Data
    • Diagnostics

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

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

Provider
  • Keita Miwa
Category
  • Utilities
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • iPad
    Requires iPadOS 17.6 or later.
  • Apple Vision
    Requires visionOS 1.3 or later.
Languages
  • English and Japanese
Age Rating
4+
Copyright
  • © 2020-2026 Keita Miwa