PCMag.com has an article listing “The 11 Best iPhone Photo-Editing Apps” and I have to admit that I own more than half.
Ones I own:
- Adobe Photoshop Touch.
- Apple iPhoto.
- Aviary.
- Hipstamatic.
- Instagram.
- Repix.
- Snapseed.
Ones I don’t own:
- BeFunky.
- EyeEm.
- Instant.
- Wood Camera.
If you’re going to actually spend money on one, then go with Adobe Photoshop Touch. It has a lot of great features.