How Does WP Smush Compare To Optimus?

Hello,

Has anyone taken time to compare Optimus to WP Smush?

I have not had time and am wondering whether its worth a look with respect to WebP conversion?

http://wplift.com/optimus-review?utm_source=WPLift&utm_campaign=ea94462d29-2016_Week_33_Newsletter&utm_medium=email&utm_term=0_fbe2f4127c-ea94462d29-85576109&mc_cid=ea94462d29&mc_eid=50b9343680

Any insight will be appreciated.