Avira Free Antivirus for Mac offers a clean and simple to operate user interface, coupled with a powerful heuristics engine. The app is great for novice users who will enjoy the simple design, and power users who will be able to tweak the settings to have fine tuned control.

Key features include:

• Real-Time Scanner: Analyses any file the system accesses.

• System Scanner: Configurable, on-demand search for known viruses and malware.

• Integrated Scheduler: Automate recurring tasks like updates or scans.

• Quarantine Management: Manage suspicious files that have been quarantined for your safety.

The app lets you launch a scan of your entire MAC OS or common malware attack points, or even a specific file or folder. Avira Free Antivirus for Mac has a built-in scheduler that runs periodic scans and keeps the app up to date. The real-time protection feature can scan all files upon access to ensure that no malware sneaks onto your system between your scheduled scans.

Overall, Avira Free Antivirus for Mac is a great free security product for the Mac platform. It has a simple user interface with a clean and fresh looking design. The app has a real time scanner, scheduler and a quarantine facility to hold suspicious files for your perusal.