With thanks to our tipster Danny, who just let us know that Pro Filter is currently free. This app usually retails for $0.99/£0.69. With Pro Filter, users create their own! You can download filters made by people from all around the world and use them to edit your own pictures. You can also design filters yourself and share them with other users. You’ve never experienced a filter sharing app like this before. Take advantage of the app’s extensive features as you get to work designing your own filters. Soon, you’ll feel like a Photoshop-wielding, photo editing expert.