Self-scans reveal that Pegasus, an invasive and powerful spyware that can secretly control phones and track owners, might be more widespread than previously thought. It was discovered on the phones of everyday phone users.
From wikiHow: How to Check Your Smartphone for Pegasus Spyware
Yeah, I see what you mean and on top of that you would need to pay for it.
That’s why I added in the description a link with instructions on the free tool designed by Amnesty International’s Security Lab.