Well, actually when we speak of future updates for the App Builder it includes 2 types –
New Features Updates
Compatibility Support for Versioning
All the new features being incorporated into our Demo application in future will be provided as available within the Demo itself. And each new feature will come under the customization(A Paid Service).
If you require a particular feature, the same would be provided under a Paid Service wherein the feature cost would be depend upon the complexity of the feature itself.
Regarding the Compatibility Support for Versioning, the customer will get compatibility support for the Android & iOS(both old and new) versions only if the customer has an active support period.