No, it sends back ALL your add-ons with all data (version, etc), your user count, your message count and your theads count to Waindigo regularily.
@Jon W :
You should really take more time to think through your new license model. I doubt many people will be able to pay a minimum of 90 GBP (which is 140 USD!) to get access to your add-ons. This won't help you to get paid.
Also, forcing your users to install an add-on which is extensively data sniffing may not be a good idea in times when users are very sensible about such callbacks after the ******* events.