Flicker Insight: PWM Test

Flicker Insight: PWM Test

LED, Screen & Light Meter

1 ratings
9 reviews
$0.99

Details

  • Released
  • Updated
  • August 2, 2026
  • September 28, 2026

Features

Flicker Insight: PWM Test screenshot #1 for iPhone
Flicker Insight: PWM Test screenshot #2 for iPhone
Flicker Insight: PWM Test screenshot #3 for iPhone
Flicker Insight: PWM Test screenshot #4 for iPhone
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About

Detects imperceptible light flicker from various sources like screens and bulbs that can cause eye strain. Offers detailed metrics, ambient light and color temperature estimates, and generates exportable reports. Prioritizes user privacy with offline functionality and no ads.

✓Quick flicker test with camera
✓Eye comfort assessment
✓Detailed flicker metrics
✓Ambient illuminance estimate
✓Color temperature estimate
✓PDF report generation
✓Offline functionality
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What's New in Flicker Insight

1.1.2

September 28, 2026

This update improves the accuracy and reliability of light source detection. Recent updates: • New: Added separate detection modes for screens and light sources. Choose the appropriate mode before starting a test. • Improved: Significantly improved the detection algorithm for more accurate results. • Improved: Significantly reduced camera setup time. • Improved: Refined the design and layout of key screens, and improved translations across multiple languages. • Improved: Fixed unexpected crashes on some devices. Feel free to send me your feedback and suggestions through the in-app feedback option.

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User reviews

总是感觉卧室灯不舒服,但就是说不上来哪里,有了这个 app 解决了我的烦恼。把卧室灯一换那种感觉一下子就不一样了

感谢出的这个 app 真的很好用👍强力推荐

试了下好用

扫一遍就找到问题了,开发认真负责

能发现闪

查出来老屋灯有问题,一直闪着,这个确实没想到

近视人群友好

测出来家里灯居然在闪!确实不错!

白花1元钱

测了几次打开就一直闪退

Developer apps

FAQ

What is Flicker Insight?

Flicker Insight is a utility app designed to detect imperceptible light flicker from sources like LED bulbs, monitors, and smartphone screens. It helps assess potential eye strain and provides detailed lighting metrics.

How does Flicker Insight detect flicker?

The app uses your phone's camera to collect adaptive samples at multiple shutter speeds for about 3 seconds when pointed at a light source or screen. It then analyzes these samples to determine if flicker is present.

What kind of reports can Flicker Insight generate?

You can generate a PDF report that includes the waveform, frequency spectrum, a light source image, and the test conclusion. Raw data can also be exported as a CSV file.

Is Flicker Insight free to use?

No, Flicker Insight is a paid application. It is available for a one-time purchase price of $0.99.

Does Flicker Insight have ads?

No, Flicker Insight is completely ad-free. The app also does not use analytics SDKs and requires no account, ensuring a private and uninterrupted user experience.

Can Flicker Insight be used offline?

Yes, Flicker Insight is fully offline. It does not actively connect to the internet, and all data is processed and stored locally on your device.

What devices is Flicker Insight compatible with?

Currently, Flicker Insight is supported on iPhone devices. It was last updated on August 11, 2026, with version 1.0.2.

Is Flicker Insight suitable for professional use?

Flicker Insight provides consumer-grade screening and is not a substitute for professional photometric testing, standards compliance certification, or medical diagnosis. Results may be influenced by phone camera limitations.