This is a Donation version, if you want to invite me a beer, I'd appreciate it very much.And if you do not, then no matter, thanks anyway and you can download the free version. (Both are full)System Freeze is an application like no other. The aim is to deceive others to believe them by your device is not working.System Freeze is an application like no other. The aim is to deceive others to believe them by your device is not working.Make a joke to any one.Find the perfect excuse to say because you do not answer the phone.Rest assured that no one will take your phone without your permission when you are not. (Do not forget to put it in airplane mode to avoid notifications)Find a Use Likely for "Freeze System".Best of all is the price of this app ...IT'S FREE!But if you like the app, you can donate by buying the ad-free version.