GPSTest has been downloaded 1.1 million times. In the last 30 days, the app was downloaded 23 thousand times.
User Ratings
GPSTest is rated 4.64 out of 5 stars. The rating is based on 3.4 thousand ratings.
App Information
GPSTest is FREE to download. The APK download size is 4.12 MB. The latest version available is 3.10.5. The last update was on December 28, 2024.
Technical Requirements
GPSTest requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play before 2010.
Description
No ads, and no trackers - GPSTest displays real-time information for GNSS and SBAS satellites in view of your device. A vital open-source testing tool for platform engineers, developers, and power users, GPSTest can also assist in understanding why your GPS/GNSS isn't working.
*Dual-frequency GNSS requires device hardware support and Android 8.0 Oreo or higher. More at https://medium.com/@sjbarbeau/dual-frequency-gnss-on-android-devices-152b8826e1c.
The "Accuracy" feature lets you measure the error in your device's position against your *actual* location (entered by you). Other apps show you the *estimated* accuracy, which is generated by your device. GPSTest lets you to compare this estimated accuracy to *actual* accuracy!
Menu options: • Inject Time Data - Injects Time assistance data for GPS into the platform, using information from a Network Time Protocol (NTP) server • Inject PSDS Data - Injects Predicted Satellite Data Service (PSDS) assistance data for GNSS into the platform, using information from a PSDS server. Note that some devices don't use PSDS for assistance data - if this is your device, you'll see a message saying "Platform does not support injecting PSDS data". PSDS is the generic term for products like [XTRA assistance data](http://goo.gl/3RjWX). • Clear Assist Data - Clears all assistance data used for GNSS, including NTP and XTRA data (Note: if you select this option to fix broken GNSS on your device, for GPS to work again you may need to ‘Inject Time’ and ‘Inject PSDS’ data. You may also see a large delay until your device acquires a fix again, so please use this feature with caution.) • Settings - Switch between light and dark themes, change map tile type, auto-start GPS on startup, minimum time and distance between GPS updates, keep screen on.
Nostalgic for old releases? Don't have Google Play Services on your device? Download old versions here: https://github.com/barbeau/gpstest/releases
If you want to see the map on the Map tab, you'll need to install Google Play Services.
Also available on F-Droid: https://f-droid.org/packages/com.android.gpstest.osmdroid/
Recent changes: • Notification permissions - On fresh installs the GNSS status notification now needs to be enabled in Settings due to changes in how Android handles permissions. • Add support for BDS B2b and IRNSS L1 - Thanks Narugakuruga! • Bug fixes - see http://bit.ly/gpstest-releases
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It doesn't have many features, which is fine because all the features it does have been more or less first-rate and the primary ones you would want. What I really like is that you can help build the GNSS spreadsheet for phone GPS capabilities. Thanks, barbeauDev. Best wishes, man.
★★★★★Jim bell· Jul 1, 2023
I just started applying this, but have some suggestions. I want the highest-accuracies that a dual frequency GPS smartphone can achieve. First, a feature that causes the software to only use satellites that have dual-frequency signals? Would that help? Second, increase the displayed resolution (in each format) to 3 cm or smaller. Third, add an averaging function. Fourth, eventually RINEX support, for post-processing.
★★★★★donnie spiller· Aug 19, 2023
Here's another great GPS app. Very accurate and very informative. Does the job is intended. Low impact on battery and memory. Easy-to-use. Highly recommended
★★★★☆Leifur Hákonarson· May 11, 2023
I've been playing with a lot of GNSS application lately, primarily with the NMEA sentences they emit. This app (and the "GNSS Logger" to which I suspect it is related) do a great job - but I have found that both apps randomly stop - but then restart - logging of data. This probably wouldn't matter much if one weren't trying to build track logs for comparison with other GPS receivers (Garmin ones in my case) but it caused my to remove one star from what would otherwise have been a perfect score.
★☆☆☆☆Atif Waqar· Nov 21, 2025
Time wasted certainly unfriendly app confused developer
★☆☆☆☆Manish Bakhada· Jun 6, 2024
This app is not latest OS updates. His targeted API is Android 12.
★☆☆☆☆Christian Flores· Nov 24, 2023
It drained my battery despite the fact it was only supposed to be using location services while the app was active.
★★☆☆☆Jovani Banuelos· May 15, 2025
App did not work, the UI was atrocious, and it's not at all user-friendly in the least. Please hire me as your app designer.
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