WireGuard-based VPN for fast, secure outbound connections
Open source with no trackers
Comprehensive per-app monitoring and firewall controls
DNS protection across 300+ global locations
Not ranked in any top lists, limiting visibility in rankings
Marketing text is highly technical and may be less approachable for casual users
About Rethink: DNS + Firewall + VPN
Rethink: DNS + Firewall + VPN is a tools app developed by Celzero.
Download Statistics
Rethink: DNS + Firewall + VPN has been downloaded 1 million times. In the last 30 days, the app was downloaded 29 thousand times.
User Ratings
Rethink: DNS + Firewall + VPN is rated 4.05 out of 5 stars. The rating is based on 3.2 thousand ratings.
App Information
Rethink: DNS + Firewall + VPN is FREE to download. The APK download size is 60.52 MB. The latest version available is v0.5.5e. The last update was on April 6, 2024.
Technical Requirements
Rethink: DNS + Firewall + VPN requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play April 2021.
Description
Say hello to a safer, transparent, and secure Android.
VPN: Connects to multiple WireGuard VPNs of your choice.
Safe: Reveals network activity of installed apps and lets you disable, uninstall, or firewall them.
Secure: First line of defense against spyware, ransomware, and malware that steal personal information and takeover accounts. Protects from DNS manipulation typically employed to censor websites, social media, and messaging apps.
Fast: DNS Servers deployed to 300+ locations world-wide to ensure your internet is as fast and highly available as it can be.
Open: Open source and free of any trackers.
***Features***
Firewall: Prevent apps from connecting to the Internet. Block spyware, malware, ransomware and more.
A firewall blocks any app connecting to the Internet over WiFi or Mobile data. Since most forms of surveillance require the data to be sent the network to a server, firewalling them effectively mitigates the threat (File Managers, Alarm Clock, Calculator are few such examples of apps that do not require any Internet access to function). The firewall feature uses Accessibility Service to detect and firewall background applications.
Monitoring: Keep tabs on incoming and outgoing Internet traffic.
If enabled, the connectivity logs are collected and analyzed. Automated reports flag previously unknown or suspicious connections, and reveal the extent of attempt to steal data by spyware networks. In our tests, around 60% of the traffic is flagged and reported as being initiated by known spyware. Logs generated are made available in near-real time to the user for their own analysis.
WireGuard: Secure outgoing Internet traffic.
The app uses fast, modern, light-weight, and secure WireGuard protocol to encrypt outgoing connections to any compatible VPN provider of your choice.
Anti-censorship:
The app encrypts your internet connection to Domain Name System (DNS) server run by Rethink with presence in our 300+ locations world-wide. DNS servers are the address book of the internet: A DNS server provides the exact addresses you need to visit a website or open an app.
Data Monitor: Track per-app and per-connection Mobile or WiFi data usage.
Recent changes: New feature: Optionally proxy DNS over WireGuard and SOCKS5 proxies. New feature: Optionally enable built-in Android connectivity checks. New feature: List domains and websites an app has connected to. Improved support for editing IP-based firewall rules. Improved WireGuard bandwidth. Overhauled WireGuard UX. Avoid connection leaks for Simple and Always-on WireGuard modes. Bug fix: Support multiple rules for a single Trusted IP. Bug fix: Android 14 specific crash.
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Comments on Rethink: DNS + Firewall + VPN for Android
★★★★★Oliver· Feb 24, 2026
Great app if you get it elsewhere, because only then does it offer the feature to use local block lists
★★★★★Adrian Gayas· Apr 10, 2026
Rethink has granular app control than FIREWALL APP A & B
★★★★★Chris Ward· Jul 24, 2026
This app has got my back .the only app to combat the"Ivan the terrible firebase remote config from the malious developer causing great harm impairment. As the malious Developer co-opts every legitimate potential dangerous API, this app aggregates the developer consequently developer named an IRQ conflict as "Rethinking Blacklist ".txt Justice is served via Google backed MALIOUS developer! When is the 3-year ending career criminal?
★★★★★Pimmy Gee· Feb 22, 2026
I'm so happy to have found this app. I love the ability to easily combine encrypted DNS filtering with a firewall on Android (and even run a VPN simultaneously!), which I hadn't found elsewhere. I've happily donated as well because this deserves it. Hopefully this can make privacy more accessible to all.
★★★★★Chiku· Mar 25, 2026
Orbit is renamed to Tor VPN, please fix it. Other than that, it's the best of its kind.
★☆☆☆☆M. La Buse· May 20, 2026
doesn't work, I hit apply after selecting dns block lists but nothing happens. What is rdns plus? A subscription?
★★☆☆☆Shailesh Rathod· Feb 28, 2026
Bad experience no internet connection problem aati he jabs bhi rethink connected hota he to no internet connection problem aati he. Internet bhi nahi Chalía
★★☆☆☆Sharnali Haque· Jul 18, 2026
Actually, after the latest update, you have a problem. If you block WhatsApp, it opens automatically. No one should install this app. I uninstalled it. 🤬
★☆☆☆☆Null Index· Apr 24, 2026
Why is the latest version not stable enough to be released on the Google Play Store?
Google Play Rankings for Rethink: DNS + Firewall + VPN
This app is not ranked
Technologies used by Rethink: DNS + Firewall + VPN
Rethink: DNS + Firewall + VPN is requesting 17 permissions and is using 42 libraries.
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