Re:App Engine charges $6,500 to update a ListProperty on 14....
by MatthewPhillips on Thursday January 05, 2012 @09:30PM
(#3431657)
Even toy apps can be had for free on other platforms. Dotcloud, Heroku, and AppHarbor all don't charge for the first instance.
In my experience, App Engine is mainly useful for in-house infrastructure apps for companies using the Google Apps platform. That or cheapskate developers throwing together a proof of concept / toy app in their spare time.