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Fieldwatch

by OffGridPete

Fieldwatch is a Wi-Fi and Bluetooth LE observer for Android that passively listens to the surrounding radio signals, allowing users to identify and track devices in their vicinity.

New and promisingUnder two months old. Expect rough edges and fast changes.

View on GitHub

Stars
4.1k +101 a day, est.
Licence
MIT
Runs on
A phone
Setup
Easy
Language
Kotlin
Age
40 days

What you can do with it

  • Identify Wi-Fi access points and Bluetooth LE devices in the vicinity
  • Customize the display of information based on specific needs
  • Create and apply filter rules to reduce the amount of data to process

Could replace

  • Bluetooth Scanner Pro

Our suggestion based on what it does, not a feature-by-feature comparison.

Ways a business could use it

  • Monitor the network environment for security purposes
  • Analyze the usage patterns of devices in a workspace

Can you use it commercially?

Free to use, change and sell, including in paid products. Keep the copyright notice.

Not legal advice. Read the project's licence file before building a product on it.

Getting it running

Download Fieldwatch.apk from the repository and sideload it on your Android phone.

Follow the official instructions in the project README.

Checked 26 Oct 2026. Summary drafted by AI from the project's README.

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