The download of the app is 100% safe. OKsystem is the developer of ČHMÚ that can be found in the Weather category. The most recent update was on Oct 23, 2020 and the tool was downloaded and set up by over 100K users.
Google Play shows that this application is rated 3.5 by its users. Get the installation package of ČHMÚ 1.7.1 free of charge and check out users' reviews on Droid Informer. The app works flawlessly on Android 4.4 and higher.