Our App of the Day today is Facebook 4.1 for iPhone, iPod touch and iPad with iOS 4.0 or later.

Yesterday Facebook luanched yet another update for its popular iOS app which brought with it several changes with the biggest being the inclusion of Mobile Timeline support on the iPhone.

It's not quite ready for the iPad version of the app, but it's coming soon according to the update.

Facebook for iPad

With high-res photos, games, chat and more, now you can get the best of Facebook-on your iPad.

- Enjoy bigger, better photos: Your photos are high-res and easy to flip through, like a real photo album

- Navigate anywhere, fast: Just tap, slide or pinch to move from one screen to another

- Play games on the go: Access your favorite Facebook apps and games, wherever you are

- Focus on what matters: Zoom in on your friends' photos, updates and stories

- Never lose your place: Share a photo, update your status or send a message without leaving News Feed

- See who's nearby: Check out the Nearby map to see what your friends are up to

Facebook for iPhone

Facebook for iPhone lets you stay connected and share with friends on the go. Start a chat, keep up with friends' photos and status updates, look up a phone number, upload photos to Facebook and more-right from your iPhone.

What's New in Version 4

With improved search and browsing, the facebook.com features you use most are now just a touch away. It's a faster, fuller Facebook for iPhone.

- Games & Apps: Play games and access your favorite apps on the go

- Navigation: Send a message or see your notifications from any screen, and swipe to browse Facebook without losing your place in News Feed

- Bookmarks: Your groups, pages and apps are all in your left-hand menu, and the ones you use most are right on top

- Search: Search for anything on Facebook-people, apps, pages and more-without having to click around or switch views

- Security: We've added a few updates to make the app more secure

The latest version of the app includes the following changes:

What's New in Version 4.1

- Access to Mobile Timeline on iPhone (if you already have a timeline). iPad support coming soon. Get your own timeline here: fb.me/tml

- Access to friend lists, subscribers and subscriptions

- Faster, better performance

- Photos are easier to view, upload and comment on