I am in love with SKRWT and all it can do. I think it was Minnow that showed me this originally, and while it took me a while to catch on, now that I’ve used SKRWT to correct for barrel distortion and straight lines, I can’t see myself ever deleting this app from my phone.

If you’re anal about things being symmetrical and straight in your photographs, then this app is for you. Get it using the link below.