Rethink: DNS + Firewall + VPN

v0.5.5e

Celzero

4.01

3,170 reviews

500,000+
Downloads

Free

Firewall apps, use WireGuard VPN, monitor network, block malware, change DNS.

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Rethink blends a WireGuard VPN with a transparent firewall and real-time network monitoring to block spyware, ransomware, and DNS manipulation. Open‑source and tracker‑free, it leverages 300+ global DNS locations for fast, secure connections. With 500,000+ total downloads and 27K in the last 30 days, it remains a notable tool in the TOOLS market.

Pros & Cons

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 990 thousand times. In the last 30 days, the app was downloaded 27 thousand times.

User Ratings

Rethink: DNS + Firewall + VPN is rated 4.01 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.

More data about Rethink: DNS + Firewall + VPN

Price	Free to download
Total downloads	990 thousand
Recent downloads	27 thousand
Rating	4.01 based on 3.2 thousand ratings
Ranking	Not ranked
Version	v0.5.5e
APK size	60.5 MB
Number of libraries	42
Designed for Android	6.0+
Suitable for	Everyone
Ads	NO ads

App Performance Report

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Alternative downloads for the Rethink: DNS + Firewall + VPN app

Rethink: DNS + Firewall + VPN compared with similar apps

Common keywords of similar apps

Wireguard Spyware Feature Open Outgoing Rethink Monitor Multiple Choice Ransomware Steal Locations World Wide Connecting Require Connectivity Logs Optionally Improved Rules Bug Fix Dns Firewall Internet App Apps Data Vpn Secure Network Malware Fast Server Traffic Connection Block Websites Servers Wifi Mobile Connections Support Ip

Keywords missing from this app

Security Privacy Access Protection Private Root Online Device Protect Usage Free Unlimited Blocker Connect Proxy Browsing Control Ads Ai Features Safe Service Internetguard Time Experience Web Wi Fi

Google Play Rating history and histogram

Rating history

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2.1K

190

250

220

440

Downloads over time

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Rethink: DNS + Firewall + VPN has been downloaded 990 thousand times. Over the past 30 days, it averaged 890 downloads per day.

Changelog of Rethink: DNS + Firewall + VPN

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Developer information for Celzero

Celzero

hello@celzero.com

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Comments on Rethink: DNS + Firewall + VPN for Android

★★★★☆ Ainz Ooal Gown · Jan 28, 2026

I tried net guard, dns net, athena. Out of these rethink dns impressed the most. Why? Because it could be used with mullvad simultaneously. If it had 1 weakness, I checked GitHub seems lots of issues remain unresolved? Dev seems to be swamped with to-do list. But as long as it's fixed it has very good potential. This is a very important app to have. Fyi, the google play app is outdated vs GitHub, so i reco install from the GitHub instead. I donno y the dev have different version from GitHub

★★★★☆ Oledys Jaquez · Mar 18, 2026

It works great, but there should be an option to automatically EXCLUDE (not block) newly installed apps. It's really tedious to have to exclude them manually every time I install a new app

★★★★★ 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.

★☆☆☆☆ M A · Feb 16, 2026

It worked great for a couple of weeks and then it stopped working. It fails to connect and says "no internet." I waited weeks and the issue did not resolve, so I will be uninstalling. Rebooting my phone or trying a different Wi-Fi connection did not help.

★★☆☆☆ Mark Wickens · Mar 9, 2026

Generally good. It certainly seems to do what it says on the tin - but there is one big exception. Podcasts. I have tried two podcast managers and neither are able to penetrate the DNS blacklists for downloads. I do not know which download domains are blacklisted so that I can whitelist them, but it seems odd that Tune In can't even download a Daily Telegraph podcast.

★☆☆☆☆ 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

Google Play Rankings for Rethink: DNS + Firewall + VPN

This app is not ranked

Technologies used by Rethink: DNS + Firewall + VPN

17 permissions · 42 libraries

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Trust & Safety: Open source and tracker-free. The app requests a broad set of permissions including INTERNET, ACCESS_NETWORK_STATE, CAMERA, FOREGROUND_SERVICE, FOREGROUND_SERVICE_SYSTEM_EXEMPTED, INTERACT_ACROSS_USERS, MANAGE_EXTERNAL_STORAGE, POST_NOTIFICATIONS, QUERY_ALL_PACKAGES, READ_EXTERNAL_STORAGE, RECEIVE_BOOT_COMPLETED, USE_BIOMETRIC, USE_FINGERPRINT, WAKE_LOCK, WRITE_EXTERNAL_STORAGE and DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION. Connectivity logs can be collected and analyzed when enabled to monitor traffic and security events.

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