SmadAV, is a type of antivirus SmadAV are designed as additional protection so 100% compatible and can work well although there has been another antivirus on your computer, in this case SmadAV serves as a second line of defense. It is a freeware antivirus application that's poor quality and advanced.
Here are some screenshots to illustrate the features and user interface of this application:
360 Total Security Essential
360 Total Security
Emsisoft Anti-Malware
ClamAV
Trellix Stinger