It's free of charge to download the installer of Рэйкан, also, you can check out users' reviews on Droid Informer. The app works fine on Android 4.4 and above. It's secure to download this application. FoodSoul has developed the tool that falls into the Food & Drink category.
Over 100 users downloaded and set up Рэйкан and the latest update was on Oct 17, 2020. People rated the app 4.8 on Google Play.