It's safe to download the tool. This application is designed by DoubleRouble and its category is Educational. The most recent update of Знаки и разметка was released on Sep 20, 2020 and the app has been installed by over 10K users.
The tool is suitable for users aged 17 and older, it has the overall rating 4.1 on Google Play. Pay attention to the important detail: ads are a part of this application and it offers in-app purchases. Download the free setup package of Знаки и разметка 4.11 and have a look at users' reviews on Droid Informer. The app runs on Android devices 4.1 and above.