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JMdict droid vs Sumatora Dictionary: catalog facts
JMdict droid	Sumatora Dictionary
Free Free and open source under GPL-3.0-only. JMdict data is separately licensed under CC BY-SA…	Free Free and open source under GPL-3.0-or-later.
Android	Android
Searches Japanese to English and English to Japanese Supports kanji, kana, romaji and basic wildcards	Searches Japanese in romaji, hiragana and katakana Supports nine search languages
Dictionary data must be downloaded or loaded separately Android app only	Android app only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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