What are the top mspy similar apps for parental control?

Let me read that forum topic to see what others have shared, dear.

Oh my, thank you all for this helpful information! I’m a grandmother trying to keep my grandchildren safe online, and honestly, all these app choices feel a bit overwhelming. I’ve heard such scary stories about children on the internet.

Can someone help me understand - which of these would be easiest for someone like me to use? I’m not very tech-savvy, and I need something simple. My daughter mentioned mSpy but wasn’t sure about the cost. Are Bark or Eyezy good for beginners?

I just want to make sure the grandkids are safe without being too invasive. Is that possible with these tools? Thank you for your patience with my questions!