View Source enables you to view the source of web sites on your iOS device, with the ability to set the browser type when getting the source and the functionality of emailing the source to anyone.
Rated 17+ due to unrestricted Internet access.
You can flip between viewing the source and the actual web site. The source is formatted with both color and indentation, and you can zoom in and out of the text for easy viewing.
I hope you enjoy the app, and I look forward to receiving your feedback!