Just discovered Trigger.io - a YC backed startup which is a new service to deploy your HTML5 apps across multiple platforms. I just signed up and am checking it

Just discovered Trigger.io - a YC backed startup which is a new service to deploy your HTML5 apps across multiple platforms. I just signed up and am checking it out & am trying to figure out how it compares to PhoneGap. Besides the obvious difference of free vs. monthly service charges.