Knock Knock User Reviews

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Is Knock Knock Safe?

Not enough ratings yet to assess Knock Knock.

Is Knock Knock Legit?

Knock Knock - Who's there is no longer available in the App Store. AppsHunter Legitimacy Score for Knock Knock is 35/100.

Based on 35 of 100 points across 7 verification signals from App Store and developer data.

Score capped because this app is no longer listed.

Top reviews

很好用！

很好用，超級推薦的，名片和郵箱一體，很方便

無 mood

8 years ago

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