AdobeAdobe Photoshop Express

In a perfect world, every photo we took would be great. But in the real world, we make mistakes. Especially if you shoot on your cell phone, you'll likely encounter a lot of problems with your images — and you might not even notice until long after they're shot.

The fast way to deal with photo issues right on your phone is Adobe's Photoshop Express app, available for Android, iOS, and Windows. It's both the most powerful I've ever used and the simplest — quickly accomplishing things that you'd normally need paid software for.

Here's a quick tour of its features followed by an example of how I used it to improve an under-exposed image.

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