This is a free version of the CHRONOGRAPH Time Tracker and Timesheet. Its purpose - to acquaint the user with application features before buying the paid version. It is valid for a limited time, and some of the functions unavailable. The paid version of the CHRONOGRAPH Time Tracker and Timesheet you can see "more from developer".
The download of the app doesn't contain viruses or any kind of malware. Em.Va. is the developer of CHRONOGRAPH Time Tracker.Sheet that can be found in the Educational category. The overall score for the tool is 4.3 on Google Play.