Facebook has updated its iOS application with improved speed for your timeline, newsfeed, and photo uploading. This update comes a couple of versions after Facebook completely re-wrote its iOS app using native code.
Post your photos to albums and enjoy a speedier app. • You can now choose an album when uploading photos • News feed loads more quickly • Completely rebuilt timeline opens faster on your iPhone
Earlier today, Facebook rolled out Facebook 2.0 for Android with a re-written, native codebase.