I’d Cap That
This is one app where you choose a caption from a bank and add it to your photos instead of writing your own. It’s basically a bunch of ridiculous and crude captions that you can add to your photos. I personally don’t use it much, but a lot of people I know like it, so I threw it into the list.
Of course, it’s nice that the app is free, so even if you don’t find a caption you like, you won’t be wasting any money.
"iPhone Tip- Apps to Write on Pictures-I’d Cap That"
Reference : online-tech-tips.com