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是语输入法 (Sime)

A fast offline Chinese Pinyin input method.

  • Completely free
  • Android
  • Open source

Overview

是语输入法 is an on-screen keyboard, available on Android.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “A fast offline Chinese Pinyin input method” — F-Droid, 10 November 2026
  • “It supports full Pinyin and T9 layouts, local phrase learning, emoji, clipboard history, quick phrases, and a local GRU sentence reranker.” — F-Droid, 10 November 2026

At a glance

All of 是语输入法 (Sime) is free: no feature is locked behind a paid plan, and its code is open.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No advertising
  • Commercial use allowed

Sources and checks

  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from F-Droid — F-Droid (citation courte)

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