Yes, you can either send an app to someone with a link, or you can message them a QR code that they can easily scan with their phone. Here are some examples of how you can send an app to someone:
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Email them with an attached QR code. If they check their email on their computer, they can easily access the app on their phone by scanning the QR code with their device.
Send them a physical mail campaign with a flyer that contains a QR code and more information about the app. This strategy is applied by banks in order to get people to download the mobile banking app.
Place posters around an area relevant to the app. If you’re a new dating app or social media platform, QR codes can be placed around college campuses. If you’re a bank wanting more sign-ups for its mobile app, posters can be placed around ATMs, teller stations, entrances, and more.