Fill your day
水、咖啡、茶、牛奶——喝多少，杯子就升多少。一眼就知道今天喝得夠不夠。
Brand Story
我們為什麼做 Challang
名字來自水慢慢升起、輕輕晃動的感覺。
Naming
我們為什麼做 Challang
名字來自水慢慢升起、輕輕晃動的感覺。
Privacy friendly
水分認定率是 App 內部一致標準，並非醫學結論。
Official logo
Challang uses the circular water mark with the CHALLANG + FILL YOUR DAY combination logo.
Korean Word
韓語裡的「찰랑」是什麼意思？
찰랑 是韓語中表示液體輕輕注滿、閃動或搖晃感的擬聲擬態詞。Challang 讓水分記錄先成為感覺，再成為數字。
聲音
它帶有柔和的水聲，像小小水花或漣漪。
動作
它讓人想到杯子快滿了，液面輕輕晃動。
感受
在 App 裡，它代表一天一點點被填滿，而不是被壓力推著走。
Principles
The brand principles live inside the app.
Challang does not scold. A low day is part of the rhythm, not a failure.
Challang
The name carries the feeling of water rising and gently moving.
Lightness
The experience favors calm reflection over pressure.
Honesty
The product explains standards and limits clearly.
Voice
How Challang speaks
Challang does not scold. A low day is part of the rhythm, not a failure.
Challang combines the circular water mark with the CHALLANG wordmark and FILL YOUR DAY slogan.