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  • No Root Firewall cb screenshot 1
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About No Root Firewall cb

The No Root Android Firewall by cb innovations. Made in Germany.
The Firewall for Android is not only handmade in Germany but is also subject to the high German data protection guidelines.

The firewall app not only protects you against hackers and espionage. The Firewall reliably blocks all Internet attacks and protects against unwanted access to the internet.
It is comfortable determining which apps should have Internet access and which should not. This protects your privacy because the Firewall informs you about every security breach.


Control and monitor all traffic.
The minimalist firewall app has an intuitive user interface. It is ready to use in a few seconds—the firewall reports which of your apps can access the internet and waste mobile data in real-time. The online access to every app can also be completely prevented.

With the cb innovations firewall, you monitor and block data traffic. Then, with two clicks, you select the apps that should be blocked.


Daily updates of the firewall rules and filter lists also reliably protect against spyware and various monitoring apps such as GPS Tracker, Remote Access Trojans (RAT), etc.


Features:
- Firewall for incoming and outgoing traffic.
- Handy made in Germany
- Get up and running in seconds with an intuitive interface
- No root permissions are required (no root)
- Hostname/domain name filtering
- Prevents personal data from being sent to the internet
- Custom filter rules based on IP address, hostname, or domain name
- Notifies you when an app tries to access the internet
- Daily updates of firewall rules and filter lists
- For your privacy: DNS changer app included

We don't collect user data - no data is sent to us in any way!
No-logs policy - we do not store your data or log your online activities as per our strict No Logs Policy.

Important NOTE:
Since the Firewall needs its internal VPN hotspot for data control, no other VPN services can be used when the Firewall is active.

What’s new

Version 1.5 · Updated July 22, 2026

+ Improvements for Android 16 + Improvements for tablets

Frequently asked questions

What is the No Root Android Firewall?
The No Root Android Firewall is an app developed by cb innovations that protects against hackers, blocks internet attacks, and prevents unwanted access to the internet.
What makes the No Root Android Firewall special?
The No Root Android Firewall is handmade in Germany and adheres to high German data protection guidelines. It allows you to determine which apps have internet access, protects your privacy by informing you about security breaches, and provides daily updates to protect against spyware and monitoring apps.
How does the No Root Android Firewall work?
The No Root Android Firewall controls and monitors all traffic on your device. It has an intuitive user interface and reports which apps can access the internet in real-time. You can also block specific apps from accessing the internet with just two clicks.
Does the No Root Android Firewall require root permissions?
No, the No Root Android Firewall does not require root permissions. It can be used without rooting your device.
What features does the No Root Android Firewall have?
The No Root Android Firewall has features such as firewall protection for incoming and outgoing traffic, hostname/domain name filtering, prevention of personal data being sent to the internet, custom filter rules based on IP address, hostname, or domain name, notification alerts for app internet access, daily updates of firewall rules, and a DNS changer app for privacy.
Does the No Root Android Firewall collect user data?
No, the No Root Android Firewall does not collect user data. They have a strict no-logs policy and do not store or log online activities.
Can I use other VPN services while using the No Root Android Firewall?
No, the No Root Android Firewall needs its internal VPN hotspot for data control. Therefore, other VPN services cannot be used simultaneously when the Firewall is active.

Alternatives to No Root Firewall cb

Looking for apps like No Root Firewall cb? Here are 6 similar Android apps on Google Play. The highest rated is NetGuard - no-root firewall (4.4/5), and all 6 are free to download.

No Root Firewall cb vs. alternatives
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