Support

お困りですか?

アカウント、データ、アプリ利用の案内をまとめました。

FAQ

お困りですか?

アカウント、データ、アプリ利用の案内をまとめました。

Help

Is Challang a medical device?

No. Challang is a lifestyle hydration logging app.

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Do you store height and weight?

Original height and weight are not stored.

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Is health sync automatic?

No. Apple Health or Health Connect sync works only when enabled.

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How do I delete data?

Use the app settings or the website data deletion page.

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Where do I contact support?

Email support@esangdan.com.

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What if the app is not visible in a store?

Availability can vary by country, device and OS version.