There are several other questionnaires available to continue to flesh out your profile, but they're not required.Messaging and viewing user profiles is all free on Plenty of Fish.
The free mobile app is also well designed and easy to use.
Tinder is just a tool -- a portal to connect and introduce you to others.
But it's the biggest and baddest on the playground.
Questions include whether you consider yourself productive and whether you're seen as stubborn.
You answer on a scale, which is nice because it means your answers can be more nuanced than yes or no.