Show HN: Just launched first iOS app, Guess Less

Check it out here: https://itunes.apple.com/us/app/guess-less/id1307750414?mt=8

My co-founder and I just launched our first app, Guess Less. It's a simple, fast way to store your clothing sizes and share them with friends and family! You can customize who can see what sizes, add family members, and link a Pinterest account to generate gift ideas.

We have a unique mechanism for sending hints as well! On your profile, recent likes will show up but if you send a hint to someone then that hint will be intermingled with the likes when they look at your profile.

Eventually, we want to create "partner" accounts where clothing companies could upload their own pictures and we can start earning revenue through either advertisements or commission on products bought through the app. Do you guys have any advice on how to approach those companies? How do we find out who in the organization is best to reach?

Our current plan is to wait as the userbase grows (fixing inevitable bugs in the meantime) and then approaching companies once we have some compelling statistics. But that could be a while. If we had partner companies willing to take a risk now, that would also help us market to users and grow. It's somewhat of a chicken and egg problem that we're not sure how best to approach. Any advice would be appreciated :)