List of the Top 9 Firewall Apps for Android in 2025

Heimdal® Endpoint Detection and Response is our exclusive multi-faceted service that offers exceptional capabilities for prevention, threat hunting, and remediation. This service integrates the most cutting-edge threat-hunting technologies available, including Heimdal Next-Gen Antivirus, Heimdal Privileged Access Management, Heimdal Application Control, Heimdal Ransomware Encryption Protection, Heimdal Patch & Asset Management, and Heimdal Threat Prevention. With six modules functioning together harmoniously under a single platform and agent, Heimdal Endpoint Detection and Response provides comprehensive cybersecurity layers necessary for safeguarding your organization against both familiar and unfamiliar online and internal threats. Our advanced product enables rapid and precise responses to complex malware, ensuring that your digital assets are protected while also maintaining your organization's reputation. By consolidating these capabilities, we deliver an efficient solution that addresses the evolving challenges of cybersecurity effectively.

Keep an eye on the data usage of each application on your computer with GlassWire's detailed network monitoring graph, which allows you to review both sent and received data over time while identifying the connections your PC is making. It effectively identifies spyware, malware, poorly behaving applications, and bandwidth-intensive programs, enabling you to block their connections using its robust firewall. You can also oversee all devices connected to your network and receive notifications when unfamiliar devices attempt to access your WiFi. Additionally, GlassWire alerts you to any network-related modifications to your computer or unusual alterations in your applications that may suggest the presence of malware, ensuring your system remains secure. This comprehensive monitoring helps you maintain control over your network environment and safeguard against potential threats.

ZoneAlarm for Business provides a robust, adaptable, and thorough suite of solutions aimed at unmanaged enterprises like small companies, telecom providers, government bodies, and other organizations with limited IT capabilities. Featuring straightforward deployment and maintenance, ZoneAlarm for Business simplifies access to Check Point’s powerful multi-platform security and assistance. ZoneAlarm Extreme Security NextGen stands as the all-encompassing, top-tier security solution for PCs and mobile devices, tailored to meet every aspect of your business's security requirements by leveraging Check Point’s state-of-the-art enterprise-level technology. Its next-generation antivirus includes award-winning Anti-Ransomware, advanced phishing safeguards, and a secure browsing experience. Our sophisticated cybersecurity offerings deliver business-grade protection, successfully defending millions of personal computers and mobile devices from the most recent global cyber threats. This formidable tool excels at detecting harmful files and cyber threats that often slip past conventional antivirus solutions, ensuring a higher level of security for users. As cyber threats continue to evolve, businesses must remain vigilant and proactive in their defense strategies.

NextDNS provides extensive protection against a variety of security threats by efficiently blocking ads and trackers on websites and apps, all while ensuring a safe and monitored internet experience for children across all devices and networks. You have the ability to evaluate your security requirements and personalize your protection by enabling more than ten distinct safety features. By integrating trustworthy threat intelligence feeds that encompass millions of malicious domains and are continually updated, you can significantly fortify your defense strategies. Our system surpasses conventional tracking methods by analyzing DNS queries and responses in real time, which facilitates the rapid detection and prevention of harmful activities. Since there is often a narrow timeframe of just hours between the registration of a domain and its potential use in an attack, our sophisticated threat intelligence framework is specifically designed to identify harmful domains more effectively than conventional security measures. Furthermore, by utilizing the most popular ad and tracker blocklists that feature millions of constantly updated domains, you can successfully eliminate ads and trackers from both websites and applications, including the most advanced ones. In summary, NextDNS equips users with the necessary tools to create a customized and safer browsing environment that meets their individual security needs, thereby enhancing overall online experience.

A multilayered endpoint security system that employs behavior-based analysis provides powerful protection against both known and new threats. It ensures thorough real-time monitoring of your entire software ecosystem, no matter where it is located. Designed specifically for small to medium-sized businesses, the FortiClient endpoint protection service is offered through the cloud. This integrated endpoint protection platform features automated next-generation threat defense, allowing for visibility and control over your software and hardware assets within the larger security infrastructure. It facilitates the detection and correction of vulnerable or compromised systems across your attack surface, enhancing overall safety. As a vital part of the Fortinet Security Fabric, FortiClient links endpoints to improve the early detection and prevention of complex threats. Security incidents, such as zero-day malware attacks, botnet discoveries, and identified vulnerabilities, are relayed in real time. By adopting this all-encompassing strategy, the solution not only protects your assets but also simplifies the management of security protocols, ensuring a more secure operational environment. Furthermore, this proactive approach enables organizations to stay ahead of potential threats, fostering a culture of resilience against cyber risks.

The Android Firewall is crafted for immediate deployment, providing strong defenses against hacker attacks while notifying you each time an application tries to send data online. You will be able to see which apps are connecting to different servers and using your mobile data. With easy-to-use filtering options, you can choose to allow or block specific app connections. This firewall empowers you to effectively manage and prevent unwanted data traffic. Additionally, you have the option to completely restrict an app's access to the internet. The AI-enhanced Android firewall protects you from unauthorized intrusions by recognized intelligence agencies and governmental bodies. Our built-in Intrusion Prevention System (IPS) proactively blocks all known servers and IP addresses linked to organizations such as the FBI, CIA, NSA, and GCHQ, thereby adding an extra layer of security. If there is an attempt to reach these restricted entities, you will receive a specific notification. Furthermore, Firewall AI protects you from surveillance servers based in nations like China, Iran, and Russia, as well as threats from mobile tracking, ensuring that your privacy is preserved and secure. In an age where data breaches are becoming more frequent, this firewall stands as a vital resource for anyone who prioritizes their online safety and wishes to navigate the digital landscape with confidence. It is not just a security tool; it represents a commitment to personal privacy and data protection.

Comodo Advanced Endpoint Protection offers a stellar anti-malware suite that meticulously protects your servers, workstations, laptops, and netbooks, while also providing advanced, real-time monitoring and management of crucial system resources. It can function as a complete security solution or as a standalone sandbox to boost existing antivirus programs, making Comodo ESM a leading option for endpoint defense on Microsoft Windows systems, including servers, desktops, laptops, and tablets. The full Comodo Endpoint Security suite features five layers of protection—Antivirus, Firewall, Host Intrusion Prevention, Auto-Sandbox, and File Reputation—operating at the user level right on the desktop. Its cutting-edge auto-sandbox technology effectively blocks malware infections and prevents damage to the operating system by running untrusted processes in a controlled environment. Additionally, Comodo's endpoint security is uniquely recognized as the only managed anti-malware solution that includes a limited warranty of $5,000 against malware infections, reinforcing its dedication to user security. By merging these advanced functionalities, Comodo ensures users benefit from a strong and dependable defense against the ever-changing landscape of cyber threats, instilling confidence in their digital safety.

AP Lens serves as a Sandbox browser that enhances network security through DNS Whitelisting, effectively thwarting attacks before they infiltrate your systems. What advantages does AP Lens provide? Web Filtering: Offers a versatile and intuitive way to block unwanted content. Anti-Phishing: Eliminates the risk of similar-looking domains with complete accuracy. Ransomware Defense: Shields your network from cybercriminals while ensuring business applications remain unaffected. Secure Remote Work: Implements VPN technology to uphold internet usage policies. AP Lens Augmented Whitelist: A solution to eliminate 0-Day Attacks. Compliance: Adheres to the regulatory standards required by cybersecurity insurance policies. One-Click Installation: Eliminates the hassle of user setup or updates on their computers. No Maintenance: Prevents malware and phishing threats without the need for continuous oversight. With over two decades of collective expertise in cybersecurity, cloud security, and information protection, our team has successfully served various sectors, including both private and public domains, ensuring robust protection for all clients.

The Trustwave Fusion platform stands out as a cloud-native solution that empowers organizations with unparalleled visibility and control over the provisioning, surveillance, and management of security resources across various environments. As a fundamental element of Trustwave's managed security services and an array of cybersecurity solutions, this platform is meticulously crafted to meet the current operational demands of enterprises while also equipping them to tackle future challenges arising from digital transformation and an evolving security landscape. By unifying the digital footprints of businesses and government organizations within a robust security cloud, it harnesses the capabilities of the Trustwave data lake, sophisticated analytics, actionable threat intelligence, a diverse range of security services, and the insights of Trustwave SpiderLabs, recognized for its expertise in cybersecurity. As organizations confront the intricacies of contemporary cybersecurity threats, the Trustwave Fusion platform provides essential tools and insights that significantly bolster their security posture. Additionally, it fosters a proactive approach to threat management, ensuring that companies are not only reactive but also strategically prepared for potential future incidents.