how to unfollow inactive instagram followers?

[biotic]

Hello, I'm tired of following inactive followers. But also I want to unfollow people who are NEVER on instagram & I mean never! Is there any websites or apps that may help. I don't trust the ig exorcist site. So any reccomendations?

[Celia]

Well
Just unfollow them duh why follow them to unfollow them in the first place. Like
Why did you followed them in the first place if you're going to unfollow them later on this is stupid .