RakuRaku IME
own phrases under Settings → User Phrase Manager. Your phrases
are always ranked ahead of the bundled corpus for matching
keystrokes, with an "Analyse Roots" button that derives the
canonical EZ keystrokes from the phrase length and per-char
encoding rules. Per-phrase use is tracked so frequently used
user phrases overtake older ones on the same prefix. CSV
backup / restore included.
- New: Backup & Restore. Settings →
for Android, built with Jetpack Compose and Room. Type Traditional Chinese
using 高衡緒's shape-based radical system, with a live candidate bar and
near-instant prefix matching powered by a full-text-search dictionary that
ships pre-packaged inside the app — no initial download required.
Features
* Full EZ radical layout with phrase composing rules.
* English word prediction backed by the Google 10K common-word corpus.
* Emoji keyboard with eight categories and 1,184 emojis.
* Dialer-style number pad.
* Split keyboard in landscape, adjustable height, optional keypress vibration.
* Material You theming on Android 12+, with a Solarized fallback on older
devices or by user choice.
* Traditional Chinese (臺灣) and English UI; per-app language picker on
Android 13+.
* Fully offline — no network access, no analytics, no tracking. Your
keystrokes never leave the device.
Credits
* Dictionary data by 高衡緒 and 輕鬆資訊企業社 (no longer operational),
distributed under GPLv2 and the 《輕鬆資訊「輕鬆輸入法大詞庫」公眾授權書》.
* English word list: Josh Kaufman's Google 10000 English (MIT).
* Emoji layout: adapted from the MeaninglessKeyboard project (GPL-3.0).
This app is free software, licensed under GPL-3.0-or-later.
Source code and issue tracker: https://github.com/hiroshiyui/RakuRakuIME
- Author: Hui-Hong You
- License: GNU General Public License v3.0 or later
- Issue Tracker
- Source Code
- Changelog
- Build Metadata
- Reproducibility Status
Versions
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
Download F-Droid-
arm64-v8aarmeabi-v7ax86x86_64This version requires Android 8.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 7.2 MiB PGP Signature | Build Log
-
arm64-v8aarmeabi-v7ax86x86_64This version requires Android 8.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 7.0 MiB PGP Signature | Build Log
-
arm64-v8aarmeabi-v7ax86x86_64This version requires Android 8.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 6.2 MiB PGP Signature | Build Log
weights from the MOE 八十五年常用語詞調查 字頻／詞頻 tables, so
fresh installs surface common characters and phrases in a
sensible order from the very first use — your own usage still
takes over as you type.
- New: the post-selection next-character strip uses the same
phrase-frequency prior as a tiebreaker, so common follow-on
characters appear higher.
- Internal: the bundled `ime_database.db` is now rebuilt by a
Gradle task (`./gradlew
candidate, the bar surfaces likely follow-up characters mined
from the bundled phrase corpus (e.g. 信 → 件 / 箱 / 封 / 賴 /
任). Predictions are tap-only, with no 1–0 shortcut labels so
EZ digit roots keep their normal keystroke meaning; any new
keystroke dismisses the strip.
- Build: bump Android Gradle Plugin to 9.2.1 and the Gradle
wrapper to 9.4.1.
- Polish: refresh the app launcher icon and drop a few orphaned
foreground