this collect your data, if u want another popup blocker go there https://github.com/AdguardTeam/PopupBlocker
and how exactly is it collecting data? and what data?
"As part of this process, we receive and analyze aggregated de-identified information about your browsing activities."
They don't hide this information, it's right under your nose in the description. Also, see this thread: https://greasyfork.org/en/forum/discussion/36932/x