Privacy Policy
Sumigo does not collect, transmit, sell, or share personal data.
Data Stored On Device
Learning progress, custom vocabulary cards, review history, profile name, voice choices, and transcription preferences are stored on the user's device for app functionality.
Sumigo does not include advertising SDKs, analytics SDKs, or tracking technologies.
Sumigo does not send learning data to third-party services, external AI services, or server-side accounts.
Open Data Sources
Dictionary, kanji, grammar, sentence, and stroke-order content comes from open datasets credited in the app under Data Sources & Licenses.
Contact
For privacy questions, contact lion.knoche@gmail.com.