RethinkDNS: Possibly the Best Free Android Security and Firewall App Available

Block malware, spyware, ads, and trackers across all apps with Rethink DNS. Servers in 300+ locations: Experience Blazing fast speeds.

RethinkDNS: Possibly the Best Free Android Security and Firewall App Available

RethinkDNS is an open-source free Android app that steps in as the ultimate all-in-one app for blocking ads, trackers, and malware across your entire device.

As a privacy-focused Android app, RethinkDNS is developed by engineers from AWS, IBM, and Scientific Games, aimed at combating the surveillance economy.

It allows users to take full control of their devices with advanced DNS and firewall features.

The app is free and open-source, though its cloud content-blocking services offer both free and paid tiers.

The Primary goal is to empower Android users to protect their data and privacy with ease.

Top 10 Free Malware Scanner for Android - Protect Your Android Device Now, for Daily User and Security Professionals
With over 11 million Android devices affected by malware, protecting your device is more important than ever. Android’s open nature makes it a popular target for cybercriminals who exploit vulnerabilities to access your data, steal personal information, or install malicious software. A reliable malware scanner can help detect and

It comes with powerful filtering and DNS-over-HTTPS. It also ensures that your data stays yours.

Android Firewall

With RethinkDNS's Android Firewall, you can easily block apps from connecting to the internet over Wi-Fi or mobile data. By cutting off apps like file managers or calculators (which don’t need internet), you’re stopping any data from being sent without your knowledge.

The app acts like a simple VPN, monitoring your network traffic and halting outgoing connections from apps you choose to block, keeping your privacy intact and secure from unwanted surveillance.

Content Blocking

RethinkDNS’s Content Blocking feature helps stop ads, trackers, and malware by blocking specific server endpoints that apps use to connect to ad networks and trackers.

For example, while you might not block a messaging app entirely, RethinkDNS can prevent it from accessing known tracking domains.

This features works by firewalling traffic at the DNS layer, refusing to resolve the domains of harmful sites. Tests show that up to 60% of traffic on Android devices goes to trackers, making this a valuable tool for better privacy.

Android System Monitoring

Monitoring with Rethink DNS + Firewall lets you track all incoming and outgoing internet traffic on your Android device.

It logs the connections each app makes, tracks data usage, and flags suspicious or unknown connections in real-time.

Yaralyze - Free malware detection Tool for Android Devices
Yaralyze is an malware detection tool for Android that relies on two types of static analysis, Yara rule analysis and hashes analysis.

Real-time Reporting

Automated reports help you identify potential spyware or unwanted surveillance, with around 60% of traffic flagged in tests as related to spyware. You can review these logs and analyze the activity to enhance your privacy.

Take charge of your digital privacy with RethinkDNS – it’s your all-in-one solution to a safer, cleaner internet experience!

Download

Rethink: DNS + Firewall + VPN | F-Droid - Free and Open Source Android App Repository
Firewall apps, use WireGuard VPN, monitor network, block malware, change DNS.
Rethink: DNS + Firewall + VPN - Apps on Google Play
Firewall apps, use WireGuard VPN, monitor network, block malware, change DNS.
celzero
Anti-censorship and anti-surveillance tools for Android - celzero








Open-source Apps

9,500+

Medical Apps

500+

Lists

450+

Dev. Resources

900+