Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Can't really give all the credit to one app.

Checkbook and Todo I use on a daily basis. 1Password gets an honorable mention.
 
Well it's suspicious as it's your first post, and you just joined today... Specifically for this reason... Ringing alarm bells that you may be the developer.

I doubt he's from Smule. I could be wrong, of course.
 
I wish I could develop an app
Im sorry if you thought I was advertising and I will delete the post
 
[app]Pocket Informant[/app]
[app]Outliner[/app] by Carbonfin
[app]Awesome Note[/app]
[app]Picture Safe[/app]
[app]Tweetie 2[/app]
[app]Wisdom[/app] English-Japanese Dictionary
[app]Uniwar[/app]
[app]Galcon[/app]
[app]Real Racing[/app]
[app]Instapaper[/app]
[app]Instaviz[/app]
[app]Beejive IM[/app]
[app]System Activity Monitor[/app]
[app]Stanza[/app]
[app]Oxford Deluxe[/app]
[app]Fluent News[/app]
[app]Time Mobile[/app]
[app]Photogene[/app]
[app]PhotoForge[/app]

Included favorites and apps that I really wouldn't want to do without.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.