We have introduced many nice photo apps with various filters, but if you prefer those abstract watercolor effects, the following iOS app Popsicolor may be more suitable for you.
Popsicolor is an excellent creative photo app developed by Tinrocket, and designed or provide you an easy way to convert your photos into beautiful watercolor artworks via iPhone or iPad. The iOS app features intuitive and simple user interface, just tapping the “camera button” in the left lower corner, you can import photos from your camera roll or take photos directly in the app, while 12 preset effects allow you to quickly turn your photo into beautiful watercolor painting. Of course, you can also customize your favorite watercolor and ink effects via 24 gradient & blending options, 16 levels of intensity or focus and optional frames as well auto-enhance settings. Apart from that, the photo app also allows you to share your masterpieces via Facebook, Instagram, Twitter, or opening using other apps.
Popsicolor with a size of 19.5 MB is compatible with iPhone (optimized for iPhone 5), iPod touch and iPad running iOS 5.0 or later. The iOS app is on sale for $0.99 USD. If you’re interested, jump to App Store for more details.