Great iPhone Apps You Should Take a Look At

Here I’ll point you to great iPhone apps that I use. As I discover new ones I'll update this post to showcase them.

Use the comments section bellow to point me to great iPhone apps you use. Let's share them with the world.

Note
App here means any kind of application including games.

App - A to Z	Description
Analytics Pro	Finally a Google Analytics App that has all the features you want and need. Your data is presented in a useful and meaningful way rather than just listing the data like some other apps.
Aqueduct	Introducing Aqueduct - a world of jumbled waterways and mixed-up pipelines. It's up to you to rearrange the tracks and restore the flow. Locked gates, shifty conveyor belts, puzzling warp portals, and more stand between you and order. With over 190 unique puzzles, spanning 8 chapters of difficulty, Aqueduct delivers hours of neuron-jolting fun.
Download Manager Pro	Download Manager Pro is an ultimate download manager application which allows you to download files by using your iPhone OS device. You can view and share them.
Guitar Hero	Guitar Hero - the biggest music videogame franchise ever created is now available for the first time on your iPhone or iPod Touch! It’s your chance to experience the original, addictive guitar game that over 40 million people have jammed out to worldwide.
HP 15C Calculator	Developed by HP, the HP 15C Scientific Calculator app for your iPhone or iPod Touch is an exact replica of the original layout, functions, algorithms and calculation sequences you trusted to help you through college and your career.
iBabylon	With iBabylon you have translation @ a touch! Babylon the world’s leading provider of dictionary and translation software, brings you iBabylon for iPhone and iPod. iBabylon gives you quick and comprehensive dictionary results in over 75 languages, as well as effective full-text translations between dozens of languages.
Plants vs. Zombies	Winner of more than 20 Game of the Year awards! A mob of fun-loving zombies is about to invade your home. Use your arsenal of 49 zombie-zapping plants — peashooters, wall-nuts, cherry bombs and more — to kill 26 types of zombies before they break down your door. Get ready to soil your plants!
Scrobbl	Scrobbl is useful for Last.fm users. Its is an update of Tony Hoyle's Scrobble daemon for iPhone iOS 3.0. Music you listen to using your iPhone gets scrobbled so that you won't miss a song in your profile. You can find it in BigBoss' repo on Cydia. It is compatible with the SBSettings Scrobble Toggle so you can turn scrobbling on and off quickly.
Tetris	Now celebrating over 100-million paid downloads on mobile! Discover why millions of players around the world have made the TETRIS® game one of the biggest blockbusters in mobile gaming history.
Twitter	Discover what’s happening right now, anywhere in the world with the official Twitter for iPhone app. Realtime search, top tweets, trending topics and maps show what's happening now everywhere and nearby. Tweet, send DMs, share photos, videos and links to your friends and the world. Don't have an account? Just sign up from the app!
Wi-Fi Sync	Wi-Fi Sync enables wireless syncing with iTunes at the touch of a button. Never go looking for that USB cable again. Sync from the car, bed or shed whenever it suits you. Available now on Cydia Store for iPhone, iPod touch and iPad. You won't find it on the App Store.