Take into account the important detail: advertisements are a part of this application and it offers in-app purchases. The app is very popular among Samsung and HTC users. It's free to get the .apk setup package of SURE and you can have a look at users' reviews on Droid Informer. This application installer requires 63 MB of free space to work fine on Android 5.0 and higher.
The app has been checked for viruses and it has been found completely secure.
The way users see it, there are some pluses, they are an easy UI, decent functionality, good performance and excellent support. From the users' point of view, you can find connection issues, obtrusive advertising, unwanted notifications, freezes and stops and a huge battery drain among the disadvantages of this application.