About Flicker Meter for Light - PWM
Suffering from eye strain, headaches, or migraines from LED lights and screens? You're not alone. Many LED lights, screens, and fluorescent lights flicker at high frequencies invisible to the naked eye, yet capable of...
Suffering from eye strain, headaches, or migraines from LED lights and screens? You're not alone. Many LED lights, screens, and fluorescent lights flicker at high frequencies invisible to the naked eye, yet capable of causing headaches, eye strain, fatigue, and other symptoms. This app helps you identify which light sources and screens are flickering, measure the intensity, and find flicker-free alternatives for your health and comfort. FEATURED IN COMPUTER ACTIVE MAGAZINE Computer Active recommends this app for detecting headache-inducing flicker. KEY FEATURES . Detect invisible high-frequency flickering in LED lamps, screens, and fluorescent lights . Measure flicker intensity in percentage . Measure flicker frequency in Hz . Identify flicker-free light sources . Easy-to-use interface with instant results HEALTH BENEFITS . Reduce eye strain and fatigue . Minimize headaches and migraines . Create a more comfortable work environment . Make informed decisions about lighting purchases PERFECT FOR . Office workers spending long hours under artificial lighting . People sensitive to light flicker . Anyone experiencing unexplained headaches or eye strain . Professionals evaluating workplace lighting . Bird owners monitoring aviary lighting (birds are highly sensitive to flicker) Full support for 40 languages with integrated documentation. Privacy Policy: https://flicker-meter.contechity.com/pp.html End User License Agreement: https://flicker-meter.contechity.com/eula.html Got questions or feature requests? Email me at
[email protected] - I'll personally respond. Download Flicker Meter today and take control of your lighting environment for better health and comfort!
Version History • Made it clearer in the main tab that frequency measurement requires calibration to return a value in Hertz. • Misc minor improvements. These improvements were suggested by users. Got an idea too? Share it in a review! 3.3.2 May 9 • Simplified the flicker frequency calibration. This feature was suggested by a user. Got an idea too? Share it in a review! 3.3.0 Mar 10 • Added the possibility to export saved measurements • Stability improvement Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.2.0 12/25/2025 • Added the possibility to save measurements with comments Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.1.0 10/10/2025 • Stability improvements for certain devices Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.4 08/11/2025 • Misc minor improvements Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.3 07/28/2025 • Improved stability Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.2 06/18/2025 • Misc minor improvements Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.1 06/03/2025 • Improved flicker detection algorithm. The previous version could sometimes miss to detect certain flickering as some users pointed out. This has now been significantly improved. • Added a high contrast mode for improved readability. Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.0 04/05/2025 • Added support for 20+ different languages • Misc minor improvements 2.0.0 10/21/2024 • Added an automatic warning for too much movement of the device, as detected by gyro and acceleration sensors. • Misc minor improvements. Please rate the app here on App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 1.5.1 07/02/2024 • Misc minor improvements. Questions or suggestions? Please write to me at
[email protected] 1.4.3 02/09/2024 • Improved layout for devices with an enlarged font size. • Better graph representing the flickering percentage. 1.4.1 12/31/2023 • Misc minor improvements Questions or suggestions? Write to me att
[email protected] If you like the app, please review it - thank you! 1.4.0 11/26/2023 • Improved flicker frequency measurement Questions or suggestions? Write to me att
[email protected] If you like the app, please review it - thank you! 1.3.7 10/06/2023 • Added the often requested possibility to measure flicker frequency! Please send any feedback to me at
[email protected] 1.3.5 09/06/2023 • Stability improvement Do you have any suggestions? Contact me at
[email protected] If you like the app, make sure you review it here on App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.5 06/30/2023 • Misc minor improvements Have suggestions? Contact me at
[email protected] If you like the app, make sure you review it here on the App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.4 05/10/2023 • Misc minor improvements Have suggestions? Contact me at
[email protected] If you like the app, make sure you review it here on the App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.2 05/01/2023 • Misc minor improvements Have suggestions? Contact me at
[email protected] If you like the app, make sure you review it here on the App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.1 04/16/2023 1.2.0 03/04/2023
Previous Versions
Here you can find the changelog of Flicker Meter for Light - PWM since it was posted on our website on 2024-04-02 15:15:40.
The latest version is 3.3.2 and it was updated on 2026-06-23 22:37:53. See below the changes in each version.
Flicker Meter for Light - PWM version 3.3.2
Updated At: 2026-06-03
Changes: Version History • Made it clearer in the main tab that frequency measurement requires calibration to return a value in Hertz.
• Misc minor improvements.
These improvements were suggested by users. Got an idea too? Share it in a review! 3.3.2 May 9 • Simplified the flicker frequency calibration.
This feature was suggested by a user. Got an idea too? Share it in a review! 3.3.0 Mar 10 • Added the possibility to export saved measurements
• Stability improvement
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.2.0 12/25/2025 • Added the possibility to save measurements with comments
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.1.0 10/10/2025 • Stability improvements for certain devices
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.4 08/11/2025 • Misc minor improvements
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.3 07/28/2025 • Improved stability
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.2 06/18/2025 • Misc minor improvements
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.1 06/03/2025 • Improved flicker detection algorithm. The previous version could sometimes miss to detect certain flickering as some users pointed out. This has now been significantly improved.
• Added a high contrast mode for improved readability.
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 3.0.0 04/05/2025 • Added support for 20+ different languages
• Misc minor improvements 2.0.0 10/21/2024 • Added an automatic warning for too much movement of the device, as detected by gyro and acceleration sensors.
• Misc minor improvements.
Please rate the app here on App Store - it helps others find the app and gives me incentive to develop it further. Thank You! 1.5.1 07/02/2024 • Misc minor improvements.
Questions or suggestions? Please write to me at
[email protected] 1.4.3 02/09/2024 • Improved layout for devices with an enlarged font size.
• Better graph representing the flickering percentage. 1.4.1 12/31/2023 • Misc minor improvements
Questions or suggestions? Write to me att
[email protected]
If you like the app, please review it - thank you! 1.4.0 11/26/2023 • Improved flicker frequency measurement
Questions or suggestions? Write to me att
[email protected]
If you like the app, please review it - thank you! 1.3.7 10/06/2023 • Added the often requested possibility to measure flicker frequency!
Please send any feedback to me at
[email protected] 1.3.5 09/06/2023 • Stability improvement
Do you have any suggestions? Contact me at
[email protected]
If you like the app, make sure you review it here on App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.5 06/30/2023 • Misc minor improvements
Have suggestions? Contact me at
[email protected]
If you like the app, make sure you review it here on the App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.4 05/10/2023 • Misc minor improvements
Have suggestions? Contact me at
[email protected]
If you like the app, make sure you review it here on the App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.2 05/01/2023 • Misc minor improvements
Have suggestions? Contact me at
[email protected]
If you like the app, make sure you review it here on the App Store - it helps others find the app and it gives me incentive to develop it further. Thanks! 1.2.1 04/16/2023 1.2.0 03/04/2023
Flicker Meter for Light - PWM version 3.3.0
Updated At: 2026-03-10
Changes: • Simplified the flicker frequency calibration.
This feature was suggested by a user. Got an idea too? Share it in a review!
Flicker Meter for Light - PWM version 3.2.0
Updated At: 2025-12-25
Changes: • Added the possibility to export saved measurements
• Stability improvement
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You!
Flicker Meter for Light - PWM version 3.0.4
Updated At: 2025-08-11
Changes: Aug 11, 2025
Version 3.0.4
• Stability improvements for certain devices
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You!
Flicker Meter for Light - PWM version 3.0.3
Updated At: 2025-07-28
Changes: Jul 28, 2025
Version 3.0.3
• Misc minor improvements
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You!
Flicker Meter for Light - PWM version 3.0.0
Updated At: 2025-04-05
Changes: Apr 5, 2025
Version 3.0.0
• Improved flicker detection algorithm. The previous version could sometimes miss to detect certain flickering as some users pointed out. This has now been significantly improved.
• Added a high contrast mode for improved readability.
Please rate the app here on the App Store - it helps others find the app and gives me incentive to develop it further. Thank You!
Flicker Meter for Light - PWM version 2.0.0
Updated At: 2024-10-21
Changes: Oct 21, 2024
Version 2.0.0
• Added support for 20+ different languages
• Misc minor improvements
Flicker Meter for Light - PWM version 1.5.1
Updated At: 2024-07-02
Changes: Jul 2, 2024
Version 1.5.1
• Added an automatic warning for too much movement of the device, as detected by gyro and acceleration sensors.
• Misc minor improvements.
Please rate the app here on App Store - it helps others find the app and gives me incentive to develop it further. Thank You!
Flicker Meter for Light - PWM version 1.4.3
Updated At: 2024-02-09
Changes: Feb 9, 2024
Version 1.4.3
• Misc minor improvements.
Questions or suggestions? Please write to me at
[email protected]
Disclaimer
Official App Store Link
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