【實用生產應用app】Callsign|最夯免費app

Create your Callsign and make identifying yourself quick and secure. All you need to do is give your Callsign, whether you are: · Sharing details with a person – no need for business cards. · Sharing details with a business – no need to fill forms. · Logging into websites – no need for usernames and passwords.

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免費玩Callsign App

Callsign APP LOGO

Callsign APP QRCode