No matter which type of ghost you're hunting for, there's an app to help you be a better ghost hunter. Here are the 13 best ghost-hunting apps.

Sure. Update: The final scan reveals "fresh, malady, clerk, appendix, take photo, son". Spirit Story Box can be yours for the bargain price of just 69p but Android users are woefully uncatered for.

Ghost Hunting Tools: Focusing on Electro Magnetic Fields and Electronic Voice Phenomenon, the Ghost Hunting Tools app uses a variety of sensors in your phone or tablet to detect ghosts or spirits.

With paranormal investigations on the rise, due in part to the popularity of ghost-hunting tours, do-it-yourself ghost-hunting kits are in demand at libraries.