This app was mentioned in 5 comments, with an average of 3.20 upvotes
Skout is a good place to find men willing to give women money for basically nothing. You can find that app right here.
Skout - Android play store
For iOS there's Wiith or LykeMe. For android there are apps such as Skout or Mico. And while not strictly platonic, Badoo is available on iOS, android, and windows phones.
itunes: https://itunes.apple.com/de/app/id1115249449
play store: https://play.google.com/store/apps/details?id=com.skout.android
https://play.google.com/store/apps/details?id=com.skout.android&hl=en