Can I Replace plugins like RankMath Pro and Yoast Premium with Squirrly SEO?

Yes! You can decide to ONLY use Squirrly SEO going forward:

Switching to Squirrly gives you access to over 450 features that you can use for complete SEO.

But for a more visual comparison:

๐Ÿ‘ If you want, you can also use them together in compatibility mode.