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Traffic Light

github.com/leekleak/traffic-light Android Apps Open-source projectOpen source

Traffic Light tracks network and data usage on Android, providing an open source view of device traffic with privacy in mind.

Visit Traffic Light 24 alternatives
github.com/leekleak/traffic-light
Traffic Light homepage screenshot

About Traffic Light

Traffic Light is an open-source Android app for tracking network and data usage on a device. It is described as inspired by Internet Speed Meter and GlassWire. The project states that it is designed with privacy in mind. The source does not describe how data is stored or handled, so this entry does not confirm specific privacy practices.

The app offers data plan tracking, including support for multiple SIMs when Shizuku is set up. It also includes widgets, a status bar network indicator, historical usage data, and usage analytics. The project is licensed under GPL-3.0 and is available for Android only. Contributions require opening an issue first and must follow the project's policy on large language model use.

Key features

  • Data plan tracking, including multiple SIMs when Shizuku is set up
  • Home screen widgets for viewing usage
  • Status bar network indicator
  • In-depth historical data tracking
  • At-a-glance usage analytics
  • Separate Full and Play builds, with the No Shizuku build lacking multi-SIM support
Best for: Android users who want an open-source app to monitor network and data usage, including on devices with more than one SIM.
Good for
  • Open source under the GPL-3.0 license
  • The project states that it uses less battery than alternatives, a claim not independently verified in the source
  • Multi-SIM tracking is supported when Shizuku is set up
Watch out for
  • Android only
  • Multi-SIM support is not available in the No Shizuku build
  • Contributors must open an issue first, and LLM-generated issues or pull requests are discouraged, with repeated violations leading to a ban from contributing

Traffic Light at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Android
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
open sourceapillmprivacy

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Traffic Light FAQ

How do I track data across multiple SIMs?
Multi-SIM tracking requires Shizuku. The project wiki has a page on setting up Shizuku for multi-SIM tracking. The No Shizuku build does not include multi-SIM support.
Can I use an LLM to write bug reports or feature requests?
The project asks contributors not to use LLMs to generate issues or pull request descriptions. Contributors should use the predefined feature request and bug report templates. Reports that do not follow the template may be closed.
Where can I find troubleshooting help?
The project wiki includes troubleshooting pages, a page on hiding the status bar icon when disconnected, and general FAQ information.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 13, 2026 · How we rank