About OONI Probe
Are websites and social media apps blocked? Is your network unusually slow? Run OONI Probe to find out! With this app, you will examine the blocking of websites and instant messaging apps, measure your network's speed and...
Are websites and social media apps blocked? Is your network unusually slow? Run OONI Probe to find out!
With this app, you will examine the blocking of websites and instant messaging apps, measure your network's speed and performance, and check whether systems that could be responsible for censorship and surveillance are in your network.
OONI Probe is developed by the Open Observatory of Network Interference (OONI), a free software project (under The Tor Project) that aims to uncover internet censorship around the world.
Since 2012, OONI’s global community has collected millions of network measurements from more than 200 countries, shedding light on multiple cases of network interference.
Collect evidence of internet censorship
You can check whether and how websites and instant messaging apps are blocked. The network measurement data you will collect may serve as evidence of internet censorship.
Detect systems responsible for censorship and surveillance
OONI Probe tests are also designed to uncover the presence of systems (middleboxes) that could be responsible for censorship and surveillance.
Measure the speed and performance of your network
You can measure the speed and performance of your network by running OONI's implementation of the Network Diagnostic Test (NDT). You can also measure video streaming performance with the Dynamic Adaptive Streaming over HTTP (DASH) test.
Open data
OONI publishes network measurement data because open data allows third parties to verify OONI findings, conduct independent studies, and answer other research questions. Openly publishing OONI data also helps increase transparency of internet censorship around the world. You can explore and download OONI data here: https://ooni.io/data/
Free software
All OONI Probe tests (including our NDT and DASH implementations), are based on free and open source software. You can find OONI software projects on GitHub: https://github.com/ooni. Curious to learn how OONI Probe tests work? Learn more: https://ooni.io/nettest/
To receive updates from the OONI-verse, follow us on Twitter: https://twitter.com/OpenObservatory
Previous Versions
Here you can find the changelog of OONI Probe since it was posted on our website on 2021-12-11 21:06:13.
The latest version is 6.0.2 and it was updated on 2026-06-11 14:40:31. See below the changes in each version.
OONI Probe version 6.0.2
Updated At: 2026-05-28
OONI Probe version 6.0.0
Updated At: 2026-03-04
Changes: * Measurement engine updated to OONI Probe CLI v3.29.0
* New dashboard with statistics and news from OONI
* New tests screen with search
* View results aggregated by runs
* Geolocation IP database now auto-updates
* Various minor bug fixes and enhancements
OONI Probe version 5.0.3
Updated At: 2025-02-24
Changes: * Measurement engine synced with OONI Probe CLI v3.24.0.
* Major UI improvements.
* Bug fixes and improvements.
OONI Probe version 4.0.2
Updated At: 2025-02-13
Changes: * Measurement engine synced with OONI Probe CLI v3.24.0.
* Bug fixes and improvements.
OONI Probe version 4.0.0
Updated At: 2024-10-11
Changes: * Next generation of OONI Run - OONI Run v2!
* Updated UI of the cards displayed on the dashboard
* Test settings for individual tests on each card
* Changes to the "Run" button to allow users to enable/disable specific tests, including both OONI Probe tests and installed OONI Run links
OONI Probe version 3.8.9
Updated At: 2024-08-29
Changes: * Measurement engine synced with OONI Probe CLI v3.23.0.
* Bug fixes and improvements.
OONI Probe version 3.9.0
Updated At: 2024-08-29
Changes: * Update experimental card to include OpenVPN.
* Bug fixes and improvements.
OONI Probe version 3.8.8
Updated At: 2024-08-15
Changes: * Measurement engine synced with OONI Probe CLI v3.22.0.
* Bug fixes and improvements.
OONI Probe version 3.8.7
Updated At: 2024-04-10
Changes: * Measurement engine synced with OONI Probe CLI v3.21.0 .
* Bug fixes and improvements.
OONI Probe version 3.8.5.1
Updated At: 2024-01-24
Changes: - Measurement engine synced with OONI Probe CLI v3.19.1
- Bug fixes and Improvements
Disclaimer
Official Google Play Link
We do not host OONI Probe on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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