It's free to download the installation package of Terra Backup, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and above. It's safe to download this application. The tool has been originally developed by Terra and it is listed among the Productivity category.
Terra Backup has been downloaded and installed by over 1K users and the latest release is dated Apr 26, 2016. The app has been rated 3 on Google Play.