Chose Yoast
I have used a wide variety of SEO plugins for WordPress sites, and the difference that I have found are:
- The free products are free because of their limitations compared to Yoast.
Independently Invited by TrustRadius
A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info