# Flicker Meter+ Light — LED PWM Flicker Detector

> Detects and visualizes invisible LED light flicker using your iPhone camera. (iPhone/iPad app by Kyu-Hee Jang.)

- Source: https://appshunter.io/ios/app/flicker-meter-plus-light/id6760830317 (this page in markdown: same URL + `.md`)
- Developer: [Kyu-Hee Jang](https://appshunter.io/developer/1587578867)
- Category: Utilities, Productivity
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.1 · 32 MB
- Languages: English
- Released: 2026-03-26
- Data updated: 2026-07-01
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/flicker-meter-plus-light/id6760830317/reviews.md

## What is Flicker Meter+ Light?

Flicker Meter+ Light measures the invisible flicker of LED lights, screens, and other light sources using your iPhone camera. Detect harmful PWM flicker that can cause eye strain, headaches, and discomfort.

Simply point your camera at any light source and get an instant reading of the flicker frequency in Hz and the flicker percentage. The app visualizes the light modulation waveform in real time so you can see exactly how your lights behave.

Perfect for evaluating LED bulbs before purchase, checking office lighting quality, or diagnosing display refresh issues. Compare different light sources and find the ones that are safest for your eyes.

Designed for lighting professionals, health-conscious users, and anyone who wants to understand the hidden behavior of their lights. Clean interface with accurate, real-time measurements.

## Key features

- Measures invisible LED flicker
- Detects PWM flicker
- Displays flicker frequency (Hz)
- Shows flicker percentage
- Visualizes light modulation waveform
- Evaluates light source safety

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/flicker-meter-plus-light/id6760830317/reviews.md

### 1/5 — Beware!

*2026-05-18*

Loads attack attempts

## Frequently asked questions about Flicker Meter+ Light

### What is Flicker Meter+ Light?

Flicker Meter+ Light is a utility app that uses your iPhone camera to detect and measure the invisible flicker emitted by LED lights, screens, and other light sources. It helps identify potentially harmful PWM flicker.

### Does Flicker Meter+ Light have ads?

Yes, Flicker Meter+ Light contains advertisements. As it is a free application, ads are displayed to support its development and maintenance.

### What devices does Flicker Meter+ Light support?

Flicker Meter+ Light is compatible with iPhone and iPod devices. It requires iOS 17.0 or later.

### What is the age rating for Flicker Meter+ Light?

Flicker Meter+ Light has an age rating of 17+. This is due to the nature of the content it analyzes, which may be considered more technical or specialized.

### How often is Flicker Meter+ Light updated?

Flicker Meter+ Light was last updated on May 18, 2026, with version 1.0.10. The release date was March 26, 2026, indicating relatively recent development activity.

### Can Flicker Meter+ Light help with eye strain?

Yes, by detecting and visualizing harmful PWM flicker from light sources, Flicker Meter+ Light can help users identify and avoid lighting that may contribute to eye strain, headaches, and discomfort.

### What information does Flicker Meter+ Light provide?

The app provides an instant reading of the flicker frequency in Hertz (Hz) and the flicker percentage. It also visualizes the light modulation waveform in real time.

### Is Flicker Meter+ Light free to use?

Yes, Flicker Meter+ Light is available for free. However, it does include advertisements.

## Version history (last 5 releases)

### 1.0.10 — 2026-05-18

- Expanded ad attribution (SKAdNetwork) coverage for better measurement
- Performance and stability improvements

### 1.0.9 — 2026-05-14

- Performance and stability improvements
- Updated ad personalization handling for EEA users

### 1.0.8 — 2026-05-11

- Improved ad configuration for better performance
- Enhanced stability and reliability
- Bug fixes and optimizations

### 1.0.6 — 2026-04-11

- Improved ad configuration for better performance
- Enhanced stability and reliability
- Bug fixes and optimizations

### 1.0.5 — 2026-04-04

Improved app launch experience with smoother ad loading sequence.

## More apps by Kyu-Hee Jang

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- [QR Lens+ Barcode Scanner Pro](https://appshunter.io/ios/app/qr-lens-plus-barcode-scanner-pro/id1590631012)
- [Sound Noise Meter+ dB SPL](https://appshunter.io/ios/app/sound-noise-meter-plus-db-spl/id1593197145)
- [Tremor Vibration Meter](https://appshunter.io/ios/app/tremor-vibration-meter/id6759666731)
- [Lux Light Meter - Luminance](https://appshunter.io/ios/app/lux-light-meter-luminance/id6759858193)
- [Barometer: Air Pressure](https://appshunter.io/ios/app/barometer-air-pressure/id6759883097)

All apps by Kyu-Hee Jang: https://appshunter.io/developer/1587578867

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-01.*