FlickerMeter: Light Flicker

FlickerMeter is the most accurate light flicker meter, PWM detector, and LED flicker tester for Android. Detect invisible flicker in LED bulbs, monitors, headlights, and screens in seconds.

Whether you're sensitive to flicker headaches, choosing eye-safe LED bulbs, or testing automotive headlights — FlickerMeter turns your phone into a precision PWM flicker analyzer.

▶ MAIN FEATURES

• Flicker meter — detect light flicker frequency (Hz) and depth (%)

• PWM detector — identify pulse-width modulation in LED lights

• LED flicker test — bulb safety check

• Headlight tester — automotive LED quality

• Real-time waveform display

• Flicker depth meter — % modulation severity

• Frequency analysis (1 Hz–10 kHz)

• Calibration with known flicker source

• Dark mode for low-light testing

• Works fully offline — no account, no ads block

▶ HOW TO USE

1. Open FlickerMeter and uncover the front camera

2. Point the camera at the light source you want to test

3. Read the flicker frequency in Hz

4. Check % depth — anything above 30% may cause discomfort

▶ WHO USES FLICKERMETER

• Light-sensitive users avoiding flicker headaches and migraines

• Office workers checking workspace LED quality

• Photographers detecting strobe in continuous lights

• Cinematographers avoiding rolling-shutter artifacts

• Health professionals advising sensitive patients

• Parents checking baby room lighting safety

• Auto enthusiasts testing aftermarket LED headlights

• Reviewers benchmarking display backlights

• Engineers debugging LED driver circuits

• Educators teaching PWM and lighting design