Developers like to give away apps for free around holidays. It just came to my attention that Grungetastic is also free today. Its another app from JixiPix, who make a number of apps that I’m a fan of, including PhotoArtista Oil, SimplyHDR, and Dramatic BW. Given their track record, you can expect this to be a good grunge app.
After just 5 minutes of using it, I can tell its a solid app if you’re into the grunge style. It looks better than the grunge tool in Snapseed.
Here are a few examples from the developers.