Yandex.Traffic Lite [AppStore, Free]

The mobile Yandex.Traffic Lite application allows monitor road traffic in real time for efficient route planning. The application shows traffic in four Russain cities: Moscow, Saint Petersburg, Yekaterinburg and Kiev. It is easy to use: just turn it on and choose the city. The application features scalable maps, and also shows the traffic congestion score and its tendency. The application requires active internet connection to function.

The app is free and avaliable via AppStore (link).