As the race for killer apps is being closely contested by Android and Apple these days, most Android users claim that there are a large number of free apps that they are able to download as a benefit that iPhone users enjoy.

Perhaps the reason why Android is achieving so much success is because there are a wide variety of apps that its users find very useful.  But best of all, they are free. Here is a list of must-have Android apps that a user in 2011 must get for his Android phone:

#1: Opera mini

If you use your phone frequently to browse the Internet, then getting this app for your phone is a must as it is simple to use and very fast.

#2: Daily Ab Workout

If you are a fitness freak who does not have much time, this app will provide you with a five-minute video that is prepared by a certified trainer.

#3: Go SMS

This app is purely for messaging related purposes.  It helps you find a contact or a group easily and allows you to send an SMS/ MMS.

#4: Zedge

This app has been designed to customize your phone with wallpapers and ringtones, and helps you download them rather easily. It is one of the most popular apps downloaded today.

#5: QuickPic

This app allows you to find your pictures on your phone easily while also allowing you to zoom in, crop, and share your photos.

There is a reason why people prefer international phones when they are on vacation or out on a business travel. It is cheaper for one, and the companies that offer these services also offer seamless services when you travel from one country to the other.

While for some, finding economical mobile services might not be a priority, but for those who find this to be important, there are several options that are made available to them over the Internet.

Since there are several options that have been made available in the guise of an international prepaid cell phone or even a post-paid account, you can be sure that the deals you get from these service providers will be the best that you can find.

With this said, you should be able to understand that you do not have to incur large bills in staying connected with your friends and loved ones. And if you are not sure whether or not these international SIM cards will work for you, it might be a relief to know that the people who have taken the risk in finding a decent cost-effective deal for international mobile services also profited in the bargain.

All in all, economical mobile services are available only if you would take the time to find them.