Koi Kanji Widget licenses and credits

Kanji, reading, meaning and vocabulary data comes from KANJIDIC2 and JMdict, © Electronic Dictionary Research and Development Group (EDRDG) and contributors. It is used under the CC BY-SA 4.0 license. We include attribution and a link to the EDRDG license. Multilingual translations may be subject to additional rights held by their respective contributors.

Stroke data comes from KanjiVG, created by Ulrich Apel and contributors, under the CC BY-SA 3.0 license. Derived resources retain the attribution and terms of the applicable license.

Example sentences come from Tatoeba and its contributors. Available attributions appear in the app alongside each sentence where applicable. Sentences and translations are used under the licenses identified by Tatoeba, including CC BY 2.0 FR and, where applicable, CC0. Read the Tatoeba terms of use.

The curriculum-level classification uses David Luz Gouveia’s kanji-data project under the MIT License.

Zen Kaku Gothic New (Fontworks / Google Fonts) and Noto Serif JP (Google) are distributed under the SIL Open Font License 1.1.

The app uses AndroidX, Jetpack Compose, Room, Paging, DataStore, Kotlin, KSP and Google Play Billing. These components are distributed under their respective licenses; the main AndroidX and Jetpack components are published under the Apache License 2.0. Read the Apache License 2.0.

Aonami Studio reviews its language sources before significant releases and maintains a dictionary update process. Third-party names and trademarks belong to their respective owners.