If you have purchased Eon from Fuel Collective, LLC. via Paddle, please, send us a proof of purchase to receive a free license. Unfortunately, automatic license transfer is not possible.
Yes, as of Jul 1, 2016 you can. Just download the free trial and select Eon > Enter License... in the menu bar.
Contact us via the support form - see the Contact button in the top-right corner of this webpage.
Contact us via the support form - see the Support button in the top-right corner of this webpage.
The version on the AppStore requires you to purchase support for the online services at $4.99 a piece (or $14.99 for all of them). The non-AppStore version is more expensive, but includes support for all the services out of the box. Other than that, both versions are identical in terms of features and updates.