azooKey - Flex Japanese Input

azooKey is a Japanese input keyboard supporting strong features, including Custom keys, live conversion, themes, custom tabs, learnings, and so on to enjoy keyboard.

—— 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.