Compass

The last set of apps are great for finding your way around in the dark, but what if you’re lost in broad daylight? Well, with Compass, you can easily identify the cardinal directions. Upon opening the app, it displays a compass rose with a patch of light running across it. As the directions explain, simply get in the sun and lay the iPhone flat on a table. Placing your finger in the center of the compass will cast a shadow down one side of it. If you re-orient the shadow to line up with the “ray of light,” the compass on the iPhone will point to North. [Note: if you're below the equator, North and South are switched on the compass.

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Ruler

Ruler helps you make the best of your iPhone any time you need to get the length or width of a small object. The interface can be tuned to either Inches or Centimeters. Once set, your iPhone’s screen is laid out in tick marks for precise measurements.

Even better, there is a set of horizontal and vertical axes that allow you to mark your desired dimensions. There have been other, web-based rulers for the iPhone, but this App trumps them all. Definitely download this one…you’ll never know when you’re going to need it.

[Note: if you don't love this one, there is a similar ruler for longer measurements here.]

.MoviesApp – Enter your zipcode and a date/time to find movies in your area. Also play the trailers (from Apple.com) and buy tickets (through IMDB).

iEventful – Find events in your area thanks to this iPhone interface built on the Eventful API.

iBrick – Three words: Tetris for iPhone.

Newsmatch (warning:resizes browser if you’re not using the iPhone to access) – A news quiz by Laszlo Systems: match the photo to the news item to read a news article. Great design, but it’s a catch-22: you need to know what the news story is about before you can read the article.

Applists – Explore new iPhone apps…on your iPhone. How very meta. You can also rate, share and submit apps, although there aren’t that many listed right now.

Telekinesis – Access your Mac remotely through apps on your i-Phone. Stream music and videos from your Mac, browse your files and control iTunes remotely. Currently available for alpha testing.

Telemoose – This one is actually useful: browse and shop Amazon.com from your i-Phone.

GasApp – Another really useful one: find the cheapest gas prices in your area by entering your zipcode. Features Google Maps integration for driving directions, and a diesel version is available.

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Application Websites!

Monopoly

EA Mobile has a Monopoly application for the i-Phone.

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Shooter

This is a tactical game based off the movie Shooter.

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Zumobi

Zumobi is a development firm with many iPhone apps.

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Real Soccer 2009

This is a fun and realistic soccer game for the iPhone.

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Noter2

Noter2 lets you sync your iPhone with the Noter Mac application. It allows you to easily create quick notes.

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Pharos IV Assualt

A shooter game for the iPhone and iPod touch.

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Parablox

Parablos is a fun and interactive puzzle game.

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ShareCard

ShareCard is an easy way to move contact information to and from your iPhone/iPod touch and to other iPhones through email.

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Tipulator

Tipulator does a great job at calculating tips. You can calculate a tip based on total cost, percent and number of people.

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Sketches

Sketches makes it easy for you take notes and sketch on the iPhone.

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Where To?

Where To? is an application that helps you find businesses based on your location.

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FileMagnet

FileMagnet enables users to move files from their computer to their iPhone very easily. You can copy files quickly, and it is cross-platform compatible.

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Firetask

Firetask is yet another task manager application. You can manage projects and due dates, along with many other features.

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1Password

This application saves and stores passwords to make logging into websites easier. It also synchronizes your passwords with the Mac version.

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Fieldrunners

Fieldrunners is a strategy game with stunning graphics, developed exclusively for the iPhone.

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Evernote for iPhone

Evernote is an application that helps you remember things by allowing you to create notes, take photo notes, record a voice memo and more.

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Tap Tap Tap

Tap Tap Tap develops games, entertainment apps and useful tools.

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Weightbots

Weightbots helps you keep track of your weight. You can track your progress easily in a very beautiful and easy to use interface.

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Sourcebits

Sourcebits is a software development company that has created several iPhone apps.

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AirPhones

AirPhones allows you to wirelessly listen to audio from your computer on an iPhone or iPod touch using Wi-Fi, making it work like wireless headphones.

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WordPress

WordPress, the popular blogging platform, also has an iPhone app. This app allows you to write and publish posts directly to your WordPress blog.

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Things

Things is one of the top task manager applications for the Mac as well as the iPhone and iPod touch. It is easy to use and its many features increase productivity. You can even sync the iPhone and iPod version with the desktop version wirelessly using Wi-Fi.

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Classics

Classics is an application that holds many great books that you can read on your iPhone.

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Ego

Ego allows you to check your status on multiple different services such as FeedBurner, Google Analytics, Mint, and Twitter.

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Mock Draft

Mock Draft allows football fans to watch highlights and scout players.

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Parking

This app provides a timer and GPS location tracking to help you avoid getting a parking ticket.

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iShots

A fun app that shows 20 recipes for shots, that is a fun app to play with on St. Patrick’s day.

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Mint for iPhone

Mint is a popular budgeting application that is also available for the iPhone. You can check your account balances anywhere, and access accounting and budget information.

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Behance Action Method

Behance’s task manager and productivity software on the iPhone is free. You can create To-Do items, manage project plans, and send notices to others.

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Delivery Status

This application allows you to track packages from top shipping companies such as UPS, FedEx, DHL, and TNT.

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Spoonjuice

Spoonjuice is another development studio that has several iPhone applications. They design and invent fun and playful applications.

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Tapulous

Tapulous is the creator of Tap Tap, a Guitar Hero like game, and many other games as well as tools.

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iFood Assistant

This application from Kraft gives recipes and food ideas for over 7,000 meals.

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Gas Cubby

This application is an excellent tool to help you track gas mileage and maintenance records for your car.

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Frenzic

Frenzic is another fun puzzle game for the iPhone.

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Snow Reports

Snow Reports shows the latest snow reports from ski mountains worldwide. It shows information such as amounts of snow, weather reports, trail information and lift reports.

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Bottle Rocket

Bottle Rocket is a development studio that has numerous applications, including games and helpful tools. One of these is Voice Recorder, which allows you to take voice notes.

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Mustache

Mustache is another great development firm with three awesome apps, including an application to help users quit smoking, a Twitter search tool and a March Madness application.

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Tweetie

Tweetie is a fully featured Twitter client and one of the top apps to manage your Twitter account.