The job with the best team. Generally, the job where you have to jump through hoop will have a team who has jumped through those hoops as well. It's all about vetting.
The Product Hunt results for sign ups, leads, and shares are skewed. You're pointing at a completely different part of your product (mobile).
You should be pointing at the same link across all three sources before you compare the three sources. Note: fixing this does not affect the number of links clicked, of course, but it could significantly change the number of sign ups, etc.
Quite a few of my former coworkers had their sets made by WASD.