Ask HN: Is there some service that lets me buy beta app testers?

So I'm in the stage where I might want to test my application before I put it on the app store. I have posted on several forums/reddit etc but it is just so damn hard to gather any significant amount of actual testers. So far I've got one.

I would gladly pay X amount to some service for Y number of "feedbacks".

I would like to upload my app in IPA format. Choose the number of feedback-reviews I would want to receive. I would then pay, and wait.

Is there anything like this?