Simulator of chainsaw is a free iPhone app developed by Yaroslav Novytskyi in the Lifestyle category. This app offers users the experience of simulating the sounds of a chainsaw engine and cutting. In the main menu, users can choose from 3 different chainsaws. By tapping the red lever, users can start the engine and then press and hold their finger on the saw to listen to the cutting sounds. To stop the chainsaw engine, users simply press the red lever again.

The app aims to provide a fun way to prank friends with realistic chainsaw sounds and vibrations. It is designed for entertainment purposes only and does not cause any harm.