&gt; Are they solving a real problem ?<p>I think they are. There are a lot of people in big cities who don&#x27;t have a lot of friends or don&#x27;t have friends who match up on the same schedule, so it&#x27;d be nice to find someone else who wants to get a bite.<p>The only problem is that to solve the problem, any app needs to have a large userbase in the same areas.<p>&gt; I find it weird you don&#x27;t want to interact with someone enough to ask them to lunch, but then have to interact with them over lunch ...<p>That&#x27;s not the issue, though -- the issue is finding someone who&#x27;s available in your area at the same time you are.<p>Edit to add:<p>&gt; Why do I see one of these apps appear every month.<p>Because this is a problem that nobody&#x27;s been able to solve in a dominatingly satisfactory way, yet.