Is there a straight Grindr?

Yes, Grindr is not for straight singles. If you want Grindr for straight singles then connect with its new version to explore similar profiles at Grindr straight.com.

Is Badoo free to chat?

Since Badoo dating is a free service, messaging others is possible, even without paying for premium services. The only thing you need to start a conversation is to upload a photo of yourself. Once you have a picture, you can network with other members or ask them out on dates.