Appcelerator

Javascript development platform for creating applications for iOS, Android, Windows Phone and Blackberry

Features:

Robust IDE with WYSIWYG UI editor, can build native apps for every mobile OS
Included Arrow UI allows you to quickly build Databases and models for the application
Easy to use mobile test automation
Included application dashboard to track user metrics and other analytics
Easy to use push notification service to quickly notify users

Pricing:

Free trial available
Single Developer: $39/Month
Teams: $250/Developer/Month

Titanium IDE

MVC framework built in
Virtual Phone Simulators let you see what your app looks like as you build it
Automated tests are built in to the IDE and test cases can easily be written

Arrow Backend

Can connect to SQL/MongoDB/Azure and also has cloud for you to upload to
You can easily build your own API or use existing API's
GUI allows you to see what your model looks like while you build it

Analytics

Automatic Data Collection and Aggregation
You can create your own dashboards to measure and track whatever data you want
Prebuilt dashboards allow you to easily see usage statistics and user uptime

Pros:

Full featured enterprise ready application development solution
Attractive easy to use UI
Easy to set up and maintain Backend and API's with Arrow

Cons:

May be paying for unneeded features
No choice of toolkits
Very expensive for development teams