Fanspicy gives you full control over who can message you and whether or not they need to pay for it.
Go to the Menu
Tap on More
Select Settings
Scroll to the Messaging Settings section
From there, you can:
Set a Price Per Message:
Add a price for fans who want to send you a message.
Let Everyone Message for Free:
Set the price to zero if you want anyone (even non-subscribers) to message you freely.
If you want only your subscribers to be able to message you:
Turn on the option: βOnly allow subscribers to message meβ
For help setting this up or troubleshooting issues:
Log in to your account, go to the menu, and create a ticket