Apple has provided us now with this technology that makes our life more fun and easier to live in, the iPhone. Along with the iPhone came the iPhone Applications. As the iPhone users multiply, developers are now creating lots and lots of iPhone apps, both free and paid for. There are now thousands of iPhone Applications of different categories that are available in the App Store.

Here are some of the Top/Popular iPhone Apps according to its categories.

Calculate/Utilities Apps:

• Mila’s Tools - An elegant, no frills, easy to use, free unit conversion calculator. Included are a time converter, length converter, temperature converter, pressure converter, liquid (volume) converter and weight converter.

Entertainment Apps:

•  Funny Pictures -  an iPhone App with Hundreds of Funny Pictures optimized for the iPhone and iPod Touch with over 15 different categories including Cartoons, Illusions, Cool Stuff, Animals, Military, People, Signs, Sport, vehicles and Weird! Guaranteed to keep you entertained four hours!

Game Apps:

• Angry Birds - The survival of the Angry Birds is at stake. Dish out revenge on the green pigs who stole the Birds’ eggs. Use the unique destructive powers of the Angry Birds to lay waste to the pigs’ fortified castles. Be ready to use your knowledge about projectiles with this iPhone app.

News Apps:

• Discovery Now - Discovery Channel news all in one place, from headlines, videos and even up to dinosaurs.

Productivity Apps:

• Color Mail - This iPhone application helps you to create a color styled email template and then you can use it directly in your iOS Mail app to send a colorful email to your friends. You can simply generate a colorful email from plenty of templates. Just tap to choose a theme from all categories, then browse and choose your favorite template, you can then use it directly in Mail App and send it to your friends now. No more App installation needed and you can create your colorful email in few taps.

Search Tool Apps:

• Google Search - Get the answer you’re looking for – fast. Anything from flight updates and sports results, images and weather reports to web and mobile web pages is just a click away. We’ll also make sure that pages are formatted appropriately for your iPhone. Local listings at your fingertips. Search and locate everything from restaurants to a local dry cleaner. Google will suggest businesses in your area and remember where you are. So the next time you search, use this iPhone Application.

Social Networking Apps:

• Facebook - A social utility iPhone app that connects you to the people around you. Facebook on iPhone and iPod touch allows you to do it all: Get the latest news from your friends. Upload and share photos and even send and receive messages.

Sports Apps:

• The Muscle Lab Mini - We are all about building muscle and losing fat. The Muscle Lab is one of the most complete resources for tracking your fitness levels on the web, from monitoring your nutritional intake to analyzing strength increases - and a whole lot more in between. Whatever your fitness goal, the Muscle Lab is the iPhone app for you.

Travel Apps:

• Language Translation Phrasebook - Quick iPhone app translation phrasebook to arabic, chinese, french, german, hebrew, italian, japanese, russian, spanish, swedish.

Utility Apps:

• Dictionary - Lets you easily look up any word in the English dictionary or thesaurus, right on your iPhone or iPod touch. 

Weather Apps:

• World Weather – prepare your sunglasses and umbrellas for this iPhone application tells you how it is outside right now and possibly how it’ll be outside tomorrow.