A free app for Android, by Silicon Circuits.

The Grbl Controller app allows you to use your smartphone to stream G-Code to your CNC machine with GRBL 1.1 firmware. It supports both Bluetooth and USB Otg connections, providing flexibility in connecting to your CNC machine.

With the app, you can control real-time feed, spindle, and rapid overrides using the Grbl 1.1 firmware. It offers a simple and powerful jogging control with corner jogging, allowing for precise movements. The app uses buffered streaming to ensure smooth and uninterrupted communication with your CNC machine.

You can also view real-time machine status reporting, including position, feed, spindle speed, and buffer state. To enable the buffer status report, you need to set $10=2 in the settings.

The app supports sending G-Code files directly from your mobile phone. You can choose G-Code files with extensions such as .gcode, .nc, .ngc, and .tap from anywhere in your phone or external storage.

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App specs

  • License

    Free

  • Version

    2.56
  • Latest update

  • Platform

    Android

  • OS

    Android 9.0

  • Language

    English

  • Downloads

    2.3K

    Last month's downloads

    • 160
  • Size

    3.23 MB

  • Developer

  • Download Options

    APK, Google Play

  • Filename

    in.co.gorest.grblcontroller_2.56.apk

Program available in other languages



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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is Grbl Controller safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

  • Virus free
  • Spyware free
  • Malware free
  • Verified by Security Partners

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Scan Info

Last scan
Wednesday, October 8, 2025
Scan provider
VirusTotal · Full report

File Integrity

File
in.co.gorest.grblcontroller_2.56.apk
SHA256
d9810062c048b9a9bce49f76ee072fe2dc6bb55c7003c7f3b4f048a5c548c595
SHA1
d166e33c5329336479fb24931690aa9627c117df

Softonic security commitment

Grbl Controller has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.