About Developer Tools
Loads of useful information for Android developers and others curious about their device at hand. - Extract APKs - See app details - See resource qualifiers in use - See device build details - See system properties
Loads of useful information for Android developers and others curious about their device at hand.
- Extract APKs
- See app details
- See resource qualifiers in use
- See device build details
- See system properties and environment variables
- See available system features
- Go directly to the device's developer options (shortcut available too)
- Go directly to the list of installed application
- See screen dimensions in dp, pt, in, sp, px, mm
- See memory (RAM) information
- See battery information
- See sensor data and information
- See network information (including public IP address)
- See Bluetooth information
Please give me a word if there's something you'd like to see included in this app. :)
Previous Versions
Here you can find the changelog of Developer Tools since it was posted on our website on 2013-08-23 18:00:13.
The latest version is and it was updated on 2026-06-11 19:54:36. See below the changes in each version.
Developer Tools version
Updated At: 2026-02-14
Changes: Version 2.4.5
* Keeping app up to date with updated libraries.
Version 2.4.4
* Made it more fault proof for users sideloading the app.
* Bugfix: Fix for rare crash on some devices.
+ Added link to my app "Nuyo GPS Info".
Version 2.4.3
* More build version details.
* Bugfix: Fix for some rare crashes.
+ Added link to my app "Nuyo Device Info".
Version 2.4.2
* Bugfix: Fix for some crashes on rare devices.
Version 2.4.1
* Improved APK extraction destination folder/app selection.
Developer Tools version
Updated At: 2026-01-21
Changes: Version 2.4.4
* Made it more fault proof for users sideloading the app.
* Bugfix: Fix for rare crash on some devices.
+ Added link to my app "Nuyo GPS Info".
Version 2.4.3
* More build version details.
* Bugfix: Fix for some rare crashes.
+ Added link to my app "Nuyo Device Info".
Version 2.4.2
* Bugfix: Fix for some crashes on rare devices.
Version 2.4.1
* Improved APK extraction destination folder/app selection.
Developer Tools version
Updated At: 2026-01-01
Changes: Version 2.4.3
* More build version details.
* Bugfix: Fix for some rare crashes.
+ Added link to my app "Nuyo Device Info".
Version 2.4.2
* Bugfix: Fix for some crashes on rare devices.
Version 2.4.1
* Improved APK extraction destination folder/app selection.
Version 2.4.0
+ Mobile: Added app analyzer with APK extractor and APK file browser.
Version 2.3.8
* Trying to work around a crash occurring on some rare Android devices.
* Had to increase minimum Android version to 6
Developer Tools version
Updated At: 2025-09-14
Changes: Version 2.4.2
* Bugfix: Fix for some crashes on rare devices.
Version 2.4.1
* Improved APK extraction destination folder/app selection.
Version 2.4.0
+ Mobile: Added app analyzer with APK extractor and APK file browser.
Version 2.3.8
* Trying to work around a crash occurring on some rare Android devices.
* Had to increase minimum Android version to 6
Version 2.3.7
* Built and targeted with Android 16 (API level 36).
+ Added link to a Wi-Fi analyzer of mine.
* Some bug fixes.
Developer Tools version
Updated At: 2025-09-03
Changes: Version 2.4.0
+ Mobile: Added app analyzer with APK extractor and APK file browser.
Version 2.3.8
* Trying to work around a crash occurring on some rare Android devices.
* Had to increase minimum Android version to 6
Version 2.3.7
* Built and targeted with Android 16 (API level 36).
+ Added link to a Wi-Fi analyzer of mine.
* Some bug fixes.
Developer Tools version
Updated At: 2024-09-17
Changes: Version 2.3.5
+ Added CPU information.
* Added button to load WebView feature support site.
* Added handling of devices with no permissions to view network information.
Version 2.3.4
+ Added WebView information and link to select WebView implementation.
+ Added option to show video ads to support the app.
* Bugfix: Fixed rare crash in network information.
Version 2.3.3
+ Screen dimensions: Added display's refresh rate.
Version 2.3.2
+ Added Chromecast information.
Developer Tools version
Updated At: 2024-09-13
Changes: Version 2.3.4
+ Added WebView information and link to select WebView implementation.
+ Added option to show video ads to support the app.
* Bugfix: Fixed rare crash in network information.
Version 2.3.3
+ Screen dimensions: Added display's refresh rate.
Version 2.3.2
+ Added Chromecast information.
Developer Tools version
Updated At: 2024-05-15
Changes: Version 2.3.2
+ Added Chromecast information.
Version 2.3.1
* Lowered minimum Android version to 5.0 (API level 21).
* Google Play services: Added link to open in Play Store.
* Bugfix: Battery current could show up as -2,147,483,648 (Int.MIN_VALUE) mA on some devices like Android TV.
Version 2.3.0
+ Added battery information.
* Lowered minimum Android version to 5.1 (API level 22).
* Minor bugfixes and improvements.
Developer Tools version
Updated At: 2024-05-01
Changes: Version 2.3.1
* Lowered minimum Android version to 5.0 (API level 21).
* Google Play services: Added link to open in Play Store.
* Bugfix: Battery current could show up as -2,147,483,648 (Int.MIN_VALUE) mA on some devices like Android TV.
Version 2.3.0
+ Added battery information.
* Lowered minimum Android version to 5.1 (API level 22).
* Minor bugfixes and improvements.
Developer Tools version
Updated At: 2024-04-23
Changes: Version 2.2.9
+ Added information about Google Play services.
+ Added feedback page.
* Bugfix: Didn't request legacy Bluetooth permissions on Android 11 and below.
* Lowered minimum Android version to 6 (API level 23).
Version 2.2.8
+ Added support for motion sensors.
+ Added Bluetooth information.
* Lowered minimum Android version to 7 (API level 24).
Disclaimer
Official Google Play Link
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