Take the opportunity to download the installer of OTSO 2.3.3 for free and take a look at users' reviews on Droid Informer. The app is compatible with Android 4.1 and higher. It's secure to download this application. The tool is developed by OTSO and its category is Business.
The latest update was on Aug 12, 2019 and OTSO was downloaded and set up by over 10K users. Users rated the app 2.3 on Google Play.