In this Article, I will talk about the top No Root Firewall Apps which help to secure your Android. No Root Firewall allows you to create filter rules based on IP address, host name or domain name. You can allow or deny only specific connections of an app. No Root Firewall protects your personal information from being sent to the internet. No Root Firewall notifies you when an app is trying to access the internet. All you need to do is just press Allow or Deny button.