Yes! When you create an Easel account, you have the option to activate a 30-day trial of Easel Pro. Upon signing in to Easel for the first time, you should be greeted by this screen:
Just click on "Start Easel Pro Trial" and you have access to all of the Easel Pro features for free! When the 30 day trial period is over, you will lose access to the Easel Pro features and you will be asked to subscribe.