FOSS Root Checker as the name suggests is an Open Source Root Checker app for verifying Root Access on Android Mobile Devices. Ever wondered what Root Checker Apps do behind the scenes on your Phones once you give them Root Access?
Well that's why I made this App! It is just a simple Root Checker for Newbies but with Transparency of what is done.
App Version : v36.23.1.0
Package ID : foss.chillastro.root.checker
Requirements : Android 6 and Higher
Currently in Development. Releasing on March 26th 2026! 🌟
To be Released on UptoDown Store, APKPure and FDroid.
Note
Also ensure to Download this APK only from Trusted Sources such as FDroid, UptoDown, Appteka (thanks for testing my Pre-Release Builds) and so on.
Warning
Do not trust sources listed in this page and NEVER TRUST .ZIP FILES PROVIDED IN ANY FORKED / STOLEN REPOSITORY'S READMEs! They Bypass Github's Security Checks and may Compromise your System with Malware and Steal your ENTIRE Data!
Note
All checks are performed on a background thread (Dispatchers.IO) to ensure your device remains responsive during the scan.
- The App First Checks 40+ System Paths to Find Traces of SU Binaries to Verify Root Access. If it finds, Root Acess is Verified. If not it moves onto the next step.
- Now the App Executes
su -c idand if it returns 0, Root Access is Verified. Else, Root Access not Available. - For BusyBox Checker, it checks BusyBox Specefix Paths. If not Found, the App executes
su -c which busyboxto verify BusyBox Installation.
- Ultra Low Footprint of 1.54MB ONLY!
- Privacy First Design with full transperancy. ✅
- No Ads, In-App Purchases and no Data Collection. ✅
- Modern Material UI with Monet Theming. ✅
- Support for Android 6+ Devices. ✅
- Works with Magisk, KernelSU, KSU Forks, APatch and older Methods ✅
- Thorough Guidance provided on Rooting and Unlocking Bootloader. ✅
// Will Update to include Screenshots only from Rooted POCO C55 (earth) as idk it looks cleaner + No repetitive screenshots. For old Screenshots, check commits.
// Will add Screen Recording of the App in Action, after Release!
To be done after Release.
// Will add Forked Repos which are genuinely good. 🤩 I will list everything Good about them.
// Will add Inactive Forks. Uh yeah that's it atleast it's Forking not Cloning! 😅
// Includes Clones who are working against the MIT Licence and Distributing Malware. All Flaws are mentioned. 😑
- RuotianJoy/FOSS-Root-Checker (Cloned + Distributing Malware 👎 )
Please be aware: There are fraudulent repositories on GitHub that are cloning this project's name and using AI-generated readmes, but they contain completely random and unrelated files in each release. These are NOT official versions of this project.
ALWAYS ensure you are downloading or cloning this project ONLY from its official and legitimate source:
https://github.com/Chill-Astro/FOSS-Root-Checker
Check here for more details. I am trying my best to report these people.
View Details
If your download contains any of the following, DELETE IT IMMEDIATELY:
- Suspicious Windows Executables: Files ending in
.exe,.bat, or.dll(e.g.,luau.exe,StartApp.bat). - Compressed Archives: This project is distributed as an APK, never as a
.zipor.7zcontaining Windows binaries. - Hidden Scripts: Text files like
asm.txtused to execute malicious code on your PC. - The Following Folder Structure is used by Malware (Shown in a VM) :
- Magisk by @topjohnwu : For Rooting pretty much anything these days.
- KernelSU by @tiann : For Kernel-Level Rooting on GKI Devices.
- APatch by @bmax121 : For Easy Kernel-Level Rooting.
- mtkclient by @bkerler : For allowing MTK Devices to be Rooted Easily ( Including my Phone ).
Appreciate my effort? Why not leave a Star ⭐ ! Also if forked, please credit me for my effort and thanks if you do! :)