Even though it's missing a couple of nifty customization tools, Photo Grid's simple interface and outstanding menu of pre-designed grids make it the best collage app on the market.
Take personal photos you're proud of and turn them into a custom canvas, blanket and hardcover book. All for free of course.
Layout quickly combines multiple photos into a modern collage that you can share with ease.
A peek into the flagships' camera and gallery apps reveals a few new photo modes and tools for giving you creativity and control.
Going somewhere nice? Make sure you read our guide for the best tips on how to come back with gorgeous pictures.
Polarr opted not to build an app specifically for Apple's iOS software, instead going the less-traveled route of using more-universal Web technologies. That decision is now paying off with droves of downloads.
One swipe is better than two taps.
It won't be long before we wonder how the world got along without solar and bio-based power, technology-enhanced vision and driverless electric cars.
Finally, the photos app you've been waiting for.
The media giant's focus on fledgling startups comes as US companies increasingly play the role of venture capitalists.