Adobe has released Mobile [Free - iTunes Link].

  • Crop, rotate, change color with just a touch.
  • Give an extra glow with Soft Focus.
  • Get artsy with Sketch.
  • Apply one-touch effects like Warm Vintage and Vignette.

Now the App Store is cluttered with a ton of photo editing tools, but this was one obvious omission. The app can take photos with the iPhone and/or edit photos already on the iPhone or iPod touch, but can also use a free account. It's a cinch to set up. Simply take a few moments to open your account to edit, upload, store, and share all of your iPhone photos.