Yes. Today you cannot register Vk, Google or Telegram account without scanning a QR code from smartphone or installing an app. I am surprised that there are people that agree to go through all these difficulties instead of going to a competitor.
Because most people do not find it difficult to install an app. And many people started with the mobile app anyway, and/or use their mobile device as their primary computer.
that's why many companies tried to get you into their mobile Apps