The app is completely safe to download. Isroel D is the developer of Слихот which is related to the Educational category. Users rated the tool 4.8 on Google Play.
Over 1K users downloaded and set up this application and the most recent release was on Aug 17, 2016. It's free to get the installer of Слихот, also, you can check out users' reviews on Droid Informer. The app works fine on Android 4.1 and above.