Flicker Meter for Light - PWM 4+

Name: Flicker Meter for Light - PWM
Author: Bjorn Folkstedt

Screen LED Eye Strain Headache

Bjorn Folkstedt

- Free
- Offers In-App Purchases

Description

Headache or eye strain without a known cause? Is it caused by LED lights or screens? Test them with this unique app that measures high frequency flickering of light.

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

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 apps@contechity.com — I'll personally respond.

Download Flicker Meter today and take control of your lighting environment for better health and comfort!

18 Jun 2025

Version 3.0.2

• 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!

The developer, Bjorn Folkstedt, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

Purchases
Identifiers
Usage Data

Privacy practices may vary based on, for example, the features you use or your age. Learn More

Information

Provider

Contechity AB

Size

33 MB

Category

Utilities

Compatibility

iPhone: Requires iOS 12.0 or later.

iPad: Requires iPadOS 12.0 or later.

iPod touch: Requires iOS 12.0 or later.

Apple Vision: Requires visionOS 1.0 or later.

Languages

English, Afrikaans, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Filipino, Finnish, French, German, Greek, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese