A substantial portion of people don't use dating apps to find a relationship. You may just be visiting a city and interested in having someone take you out to the nicest restaurant in town.
If you're looking to settle down then the payment factor probably doesn't matter so much, in which case you could place TWIBS at your local pizza place, bowling alley, hiking trails.
The idea is to help people find what they're actually looking for instead of assuming everyone is out to find "the one"