While from the same device I was online through the application.
Nobody will know that you came from another browser or even from your page, to a friend's page. VKontakte has not had such a function for a long time. This function remained in classmates, but this is the last century)
Vkontakte and classmates are different social networks, and if classmates have functionality for viewing guests, then on VKontakte this has never happened, and everyone who says that you can see guests using programs and applications is trying with these applications to get hold of your password to hack your page.
Through the Hugly app you have been identified https://play.google.com/store/apps/details?id=app.hugly.social_pro This is an application that allows you to identify guests in VK who have not done anything on the page, just go to your profile
Even if you go to the VK page of another person as an authorized user, he still won't know about it. There is no such function in VK for a long time.
So he has a special application. I don’t remember what it’s called, but if you install it, you will see who visited the VK page. I think this app is paid