[yakto]

> The price for this is a large, multi-hundred kb framework and a commercial license.

Sencha Touch is free now (not sure when that happened). And the multi-hundred kb framework isn't much of an issue since it's bundled up in the native download and always local to the device.

[jbail]

The overall size of the code graph in browser memory matters. It's not just about the size you're delivering over-the-air. That said, I have apps in both the Apple Appstore and Android Market that have embedded webviews that pull down the mobile web app portions from the air. This allows 100% freedom in changing/fixing things. In these cases, yes, size matters.