Don't think so - I just used the same pair of images - one with my glasses on and one without - AWS Rekognition guesses mostly the same for both of them - the sightcorp.com one doesn't even detect a face when I've got my glasses on.
Rekognition guesses a wider age range - but gets a "correct" answer - the sightcorp one guesses me as 7 years younger than I am.
Rekognition guesses a wider age range - but gets a "correct" answer - the sightcorp one guesses me as 7 years younger than I am.