We have released the free version of our "Still Screen Pro" app which is designed to prevent accidental unwanted taps on the screen in an intuitive way. Applications can be so many. Use it to temporarily freeze the screen while viewing images on your iPhone/iPad, take photo or paste any image you have copied from other apps.
App store link:
https://itunes.apple.com/us/app/still-screen-lite-disable/id965698597?ls=1&mt=8
App store link:
https://itunes.apple.com/us/app/still-screen-lite-disable/id965698597?ls=1&mt=8