Got a specific person that you send emails to frequently Quickmail allows you to designate a person to be the recipient of every email that you send by using the Quickmail app. This can save you some serious time if you find yourself always corresponding with the same person.
The app is very straight forward. All you do is either manually enter in an email address or load one from your contacts. Click Save & Quit. Then whenever you want to email that person, just tap the app icon. If you decide you want to change things up and switch who you're e-mailing, you can change the address in the iPhone Settings app.
There's really nothing else to this app. It's handy if you don't want to take the extra 10 seconds to pull up a contact in the TO line of your e-mail. Unless you're sending very one sided emails with no response, you'll find that this app isn't all that useful overall.
The concept behind it is great. If you could have multiple Quickmail apps then it would be even better. Perhaps this concept will convince developers to cross that barrier and make multiple variations of an app so that you can quick email whoever you like.