Blok: Simple Fast Firewall AlternativesFirewalls and other similar apps like Blok: Simple Fast Firewall

Blok: Simple Fast Firewall is described as 'A simple fast firewall. No root required' and is a Firewall in the security & privacy category. There are more than 10 alternatives to Blok: Simple Fast Firewall for a variety of platforms, including Android, Android Tablet, VirtualBox, Self-Hosted and F-Droid apps. The best Blok: Simple Fast Firewall alternative is NetGuard, which is both free and Open Source. Other great apps like Blok: Simple Fast Firewall are Comodo Internet Security, AFWall+, CacheGuard Gateway and Quantum Flare.

More about Blok: Simple Fast Firewall

Blok: Simple Fast Firewall alternatives page was last updated Jun 5, 2025

NetGuard
43 likes
NetGuard provides simple and advanced ways to block access to the internet - no root required.
41 NetGuard alternatives
Cost / License
Freemium
Open Source (GPL-3.0)
Application types
Firewall
Privacy Tool
Origin
Netherlands
EU
Platforms
Android
Android Tablet
F-Droid
+4
Is NetGuard a good alternative to Blok: Simple Fast Firewall?
Comodo Internet Security
236 likes
Comodo Internet Security is a free, very voluminous and multi-layered security application that keeps hackers out and personal information in.
80 Comodo Internet Security alternatives
Cost / License
Freemium
Proprietary
Application types
Anti-Virus
Anti-Malware
Origin
United States
Platforms
Windows
+1
Is this a good alternative to Blok: Simple Fast Firewall?
AFWall+
41 likes
Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app.
Cost / License
Freemium
Open Source (GPL-3.0)
Application type
Firewall
Origin
India
Platforms
Android
+7
Is AFWall+ a good alternative to Blok: Simple Fast Firewall?
Ad
CacheGuard Gateway
6 likes
CacheGuard Gateway is a free and open-source Unified Threat Management (UTM) solution, a Web Application Firewall (WAF), and a Quality of Service (QoS) platform designed to optimize WAN traffic. To obtain a CacheGuard Gateway appliance, download CacheGuard-OS and install it on...
134 CacheGuard Gateway alternatives
Cost / License
Free
Open Source (AGPL-3.0)
Application type
Firewall
Platforms
VirtualBox
Self-Hosted
VMware vSphere Hypervisor
Microsoft Hyper-V Server
Proxmox Virtual Environment
Is CacheGuard Gateway a good alternative to Blok: Simple Fast Firewall?
Quantum Flare
1 like

Anti-phishing & anti-ransomware: Protects you from apps that steal login credentials or credit card numbers. Complete ransomware threat attack protection.

Cost / License
Freemium
Proprietary
Platforms
Android
+4
Is Quantum Flare a good alternative to Blok: Simple Fast Firewall?
NoRoot Firewall
3 likes
Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.
18 NoRoot Firewall alternatives
Cost / License
Free
Proprietary
Application type
Firewall
Platforms
Android
Is NoRoot Firewall a good alternative to Blok: Simple Fast Firewall?
ESET Mobile Security
1 like
This app protects mobile devices from viruses, ransomware, and malware. It uses NOD32 antivirus technology, blocking harmful apps and websites, safeguarding online payments, providing anti-theft tools, and eliminating unwanted ads, all without draining battery.
Cost / License
Freemium
Proprietary
Application type
Anti-Virus
Origin
Slovakia
EU
Platforms
Android
Android Tablet
+4
Is ESET Mobile Security a good alternative to Blok: Simple Fast Firewall?
orWall
5 likes
orWall will force selected applications through Orbot while preventing unchecked applications to have network access.In short, orWall will add special iptables rules in order to redirect traffic for applications through .
Cost / License
Free
Open Source
Application type
Firewall
Platforms
Android
Android Tablet
Tor
Orbot
Is orWall a good alternative to Blok: Simple Fast Firewall?
RedGuard: Free Adblock & Firewall
1 like
Free adblocker, anonymity, traffic and battery saver, firewall, and Internet speed increase.
Cost / License
Free
Proprietary
Application type
Ad Blocker
Platforms
Android
+1
Is this a good alternative to Blok: Simple Fast Firewall?
Firewall AI
Like
The advanced AI-powered firewall: Take control of all connections and defend against hackers, spyware, and trackers.
Cost / License
Freemium
Proprietary
Application type
Firewall
Origin
Germany
EU
Platforms
Android
+1
Is Firewall AI a good alternative to Blok: Simple Fast Firewall?