Compare the Top Firewall Apps for Android as of September 2026

What are Firewall Apps for Android?

Firewall software is a security tool that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Acting as a barrier between a trusted internal network and untrusted external networks, firewalls help prevent unauthorized access and protect against cyber threats. They work by analyzing data packets and determining whether they should be allowed through based on set policies, blocking potentially harmful traffic. Modern firewalls often incorporate advanced features like intrusion prevention, application filtering, and deep packet inspection to strengthen security further. By providing this critical layer of protection, firewall software safeguards sensitive data and ensures the integrity of networked systems. Compare and read user reviews of the best Firewall apps for Android currently available using the table below. This list is updated regularly.

  • 1
    Protectstar Firewall AI
    Android Firewall is not only ready to use in seconds but also protects you from hacker attacks and notifies you when an app tries to send data to the internet. Get a real-time view of which apps are accessing which servers or wasting mobile data. With simple filter rules, you can even allow or deny certain connections of an app. With the firewall, you can monitor and block this data traffic. You can also completely block the online access of an app. The AI Android firewall can block unwanted access from known intelligence agencies and government organizations. With our built-in Intrusion Prevention System (IPS), all known servers and IP addresses of the FBI, CIA, NSA, GCHQ, and many more are automatically blocked. If there is an access attempt, you will receive a special warning. Firewall AI protects you from spy servers in countries like China, Iran, and Russia, as well as mobile trackers.
    Starting Price: $9.90 per year
  • 2
    Comodo Endpoint Security Manager
    Comodo Advanced Endpoint Protection provides a state-of-the-art anti-malware suite that proactively protects your servers, workstations, laptops and netbooks while offering advanced, real-time management and control over critical system resources. Whether deployed as a complete security suite or by using the sandbox as a standalone to fortify existing AV solutions, Comodo ESM offers unrivaled endpoint protection for Microsoft Windows servers, desktops, laptops and tablets. The full Comodo Endpoint Security suite brings 5 layers of defense (Antivirus, Firewall, Host Intrusion Prevention, Auto-Sandbox & File Reputation) to the point of impact - the desktop environment. Its ground-breaking auto-sandbox technology eliminates malware outbreaks and operating system contamination by automatically running untrusted processes in an isolated environment. This makes Comodo's endpoint protection the only managed anti-malware solution that can offer a $5,000 limited warranty against infection.
    Starting Price: $4.00/one-time/user
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