Google’s operating system Android has gained immense popularity since its launch in late 2008.

Google’s online software store the Android Market has over 400,000 apps available for both free and paid download, and numbers are on the rise.

Check out the top 10 free apps that you should have on your Android device.

1. Astrid To-Do List Manager

Astrid is the much-loved open source to-do list/task manager designed to help you get important tasks done. The app features lists, reminders, sync, task sharing, optional instant notifications, a widget and much more. The updated version of the app puts the most important task at the front and center of the display and gives the user freedom from tapping the more button to bring up additional information.

2. Titanium Backup

Titanium Backup is the ultimate backup app for Android users with rooted devices. It not only backs up your apps, but also protects their data, system app data, even Wi-Fi nodes and external data on your SD card.

3. Mint.com

This free app is regarded as the best mobile personal finance tool. With this app, you can control and track your expenditure from anywhere. See all your personal finance accounts, savings, and credit cards and track your spending or create a budget with Mint.com.

4. CamScanner

CamScanner is an app that turns your phone into a portable scanner. This free app lets you take images of a document from any angle and then resize and enhance the image and save it as a PDF. Now the user can crop and enhance the image and send it via SMS or email, or upload it to a cloud server too. The latest January update has added a password protection feature to specific documents.

5. Skifta

This Qualcomm’s app turns your Android phone into a global remote control using Digital Living Network Alliance technology (DLNA) and plays your media in any which way or at any time, without any wires. With this app, you can control digital media on your phone, from the Internet, or remotely from home, and stream it over WiFi to your TV, PS3 or stereo. Skifta is a great free app.

6. Kindle

Developed by Amazon, Kindle lets you access over a million books, magazines and newspapers. This app enables you to read free books, use the Built-in Dictionary, Google, and Wikipedia, borrow eBooks from the library, sync or easily buy eBooks, including new releases and New York Times Bestsellers.

7. Google Sky Map

Google Sky Map is a must-have app for your Android device that provides an accurate representation of stars and planets on your screen. Point your phone at the sky and you can see stars and constellations as if you are looking directly at the night sky. Google Sky Map app even works indoors.

8. Angry Birds

This famous and addictive game app is a must-have and what makes it more desirable is, it’s free!

9. JEFIT - Workout, Fitness, GymLog

Developed for fitness enthusiasts, JEFIT is a Free Android Workout Application that provides you the largest exercise and routine database and the easiest way to create and track workout routines, maintain body statistics and progress log to keep you motivated for further exercising.

10. Shazam

Shazam is one of the most popular Android apps for music. By holding your phone up to the music, now you can identify a track, buy it, watch the video and get the lyrics.