Microsoft Defender: Antivirus
Microsoft Defender: Antivirus at a glanceMicrosoft Defender: Antivirus (Business) has a unitQ Score of 67 out of 100, rated fair, as the 30-day average on Nov 9, 2026, down 2 points from 69 in the previous 30 days. The score draws on 172 user feedback reports from the App Store and Google Play in the last 30 days. Top feedback themes: Difficult to Navigate UI, Too Many Or Unwanted Notifications and Force Closing Or Crashing.
What’s unitQ Score? unitQ Score measures the gap between user expectations and their actual experience. It is an unbiased and proprietary machine-generated scoring algorithm that represents the percentage of a company's customers reporting a frictionless experience with their product or service.
unitQ Score 30 Day Average as of Nov 09, 2026 2 point score decrease in the last 30 days
30-Day Trend
User Feedback
- iOS
- 10 % 18 Reports
- Android
- 90 % 154 Reports
Top feedback themes
- ApplicationUser InterfaceDifficult to Navigate UI
- ApplicationNotificationsToo Many Or Unwanted Notifications
- ApplicationStabilityForce Closing Or Crashing
- Trust & SafetyFraud / AllAccount Compromised
- ApplicationError MessageInternet Connection Error Message