Answer may be:

Tinder can be used on iPhone and Android phones. Following are the step that guides you to message your matches.

How to chat on Tinder?

Select the chat tab > Tinder screen appears>from the ‘New Matches’ section, tap the profile you’d like to send a message to>Tap the text field to type your message, then tap ‘send’ to send the message>You can add emojis and GIF as well with your message.