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Sime vs Xime IME: catalog facts
Sime	Xime IME
Free Free and open source under the Apache-2.0 license.	Free Free and open source, with no ads.
macOS, Linux, Android	Android
Supports full Pinyin and T9 layouts Phrase learning and candidate ranking run locally	Wubi 86, Pinyin, mixed and T9 schemes on the mature Rime engine Offline speech-to-text built in
F-Droid build omits the optional handwriting recognizer Linux frontend is documented for Arch Linux	Website and documentation are in Chinese Android only
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-only
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.