Is Challang a medical device?
No. Challang is a lifestyle hydration logging app.
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FAQ
Need help?
Find guidance for accounts, data and app usage.
Do you store height and weight?
Original height and weight are not stored.
Is health sync automatic?
No. Apple Health or Health Connect sync works only when enabled.
How do I delete data?
Use the app settings or the website data deletion page.
Where do I contact support?
Email support@esangdan.com.
What if the app is not visible in a store?
Availability can vary by country, device and OS version.