After I blog about Free push notification and then dig deeper for other alternative competitor I suddenly found that it's plenty a lot more free Backend as a service (BaaS) out there with also provide not just million of push notification but also free cloud service and else!
|Stackmob||1M||unlimited||Amazon S3 5GB||200/day||unlimited|
I will collect all BaaS here for reference and compare, I did try all of them and my suggestion (for now) is Parse.com which is just has been take over by Facebook after I try it for 2 days ;p
The good thing for this all services is they all support REST/RESTful API and JSON which really mean Flash/AIR dude can be use their API without any headache.
And like always, any suggestion for other competitor is open and welcome! :)
PS : I'll try keep this table comparison accurate as possible, but for real life use please recheck for pricing plan at service provider page.
UPDATE 1 : as Nick Collins mention, I just add backendless to the list, if you didn't push notification that much and want minor adjust for each $ you spend, this one is perfect for you :)
UPDATE 2 : Thanks for correction via comment below, Kinvey has "unlimited" storage for free, so it's a good time for us to fill it up though! ;)