GhostTube SLS Camera Alternative detects humanoid bodies in your environment similar to the Kinect SLS cameras used by real paranormal investigators. See screenshots, read the latest customer reviews, and compare ratings for Spirit Scanner. There is no way to know for sure but both the ghost hunter and business owner agreed that the 99¢ app, which took Ovilus I've used for years, some words are just put out every so minutes and dont mean anything.And with 4GB of internal memory, and over 1,000 hours of recording there is plenty of memory to hurc.