NEW YORK (AP) Facebook's new camera app makes sharing photos on the social media site a breeze. It's an improvement on posting photos using its main mobile app.

But other camera apps such as Instagram and Hipstamatic still reign supreme. Facebook Camera doesn't have the same level of addictiveness or the range of tools for sprucing up images.

Many people were perplexed when Facebook Inc. released its own camera app late last month, just weeks after snapping up the popular Instagram photo-sharing app for $1 billion.

The two apps, both free, have some similar features. Both have a scrollable feed of photos posted by your friends and other people you choose to follow. They also have a set of tools, or filters, which let you adjust contrast, color and other attributes.

But they are different enough that Facebook's camera app is more of a complement to the main Facebook app than a challenge to Instagram. Facebook's camera app is only available for Apple devices, while Instagram recently came out with a version that works on Android phones and tablet computers.

The app is easy to use with intuitive taps and swipes.

When you open it, you see a scroll of your friend's photos the ones you would see if you clicked the photo tab in the Facebook app or on Facebook's website for regular computers. Tap on a photo to see a larger version, optimized on your phone.

Above that is a bar that shows you the most recent pictures in your device's camera library all the photos you have stored on the iPhone or iPad. You can swipe down the feed of your friends' Facebook photos to see more of your own pictures, which you can then choose to post on Facebook.

You can comment, tag and 'like' photos, just as you can with the main app or website. You simply tap icons that hover over the photos. Change your mind? Just swipe away the comment box, and it disappears.

It is kind of a shock to suddenly see your whole photo library within a Facebook app. Before I got comfortable with the navigation, I was slightly paranoid I would accidently post a photo on Facebook without meaning to. But once I got used to the easy navigation within the app, that was less of a worry.

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Review: Facebook Camera complements main app