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Best Frequency Meter Light Apps

228+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated July 2026

Frequency is the household name in frequency meter light, but it's far from the only option. We track 228+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Frequency Meter Light Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoJul 2026
2Lumu Light MeterLumu Light MeterFree3.4★ (99)NoYesMay 2026
3Frequency Counter+ Hz FFTFrequency Counter+ Hz FFTFree3.7★ (3)YesNoJul 2026
4Frequency Sound Generator AppFrequency Sound Generator AppFree4.5★ (4.8K)YesYesJul 2026
5Pocket Light MeterPocket Light Meter$9.994.5★ (1K)NoYesJul 2026
6Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7★ (156K)NoYesJul 2026
7Flicker Meter for Light - PWMFlicker Meter for Light - PWMFree4.5★ (40)NoYesJul 2026
8Light Meter LM-3000Light Meter LM-3000Free4.5★ (2.5K)NoYesJul 2026

Top Picks for Frequency Meter Light

Frequency: Sound Generator#1

Frequency: Sound Generator by Lucija Jaksic

Editor's Choice
🔧 Utilities
4.7😊(340 ratings)
FreeAds
Frequency: Sound Generator screenshot 1
Frequency: Sound Generator screenshot 2
Frequency: Sound Generator screenshot 3

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

What We Love

  • 👍 Simple and easy to use interface
  • 🎵 Accurate frequency generation
  • 💰 Free application
  • 🧘 Helpful for meditation and stress relief

Room to Improve

  • 📢 Intrusive and inappropriate advertisements
  • 🔊 Potential audio damage to speakers/hearing
  • 🔒 Privacy concerns and data collection issues
Lumu Light Meter#2

Lumu Light Meter by Lumu d.o.o.

Pro color and flash meter
Strong Contender
📷 Photo & Video
3.4😐(99 ratings)
FreeIn-App Purchases
Lumu Light Meter screenshot 1
Lumu Light Meter screenshot 2
Lumu Light Meter screenshot 3
Lumu Light Meter screenshot 4
Lumu Light Meter screenshot 5

This app functions as a standalone reflective light meter or pairs with hardware for professional flash and color temperature measurements. It offers various modes for photography and videography, storing measurements with notes and location.

What We Love

  • ✨ Accurate light metering
  • ✨ Precise color meter readings
  • 👍 Intuitive and clean UI
  • 👍 Great for film photography

Room to Improve

  • 😞 Terrible customer service
  • 😞 Unresponsive support
  • 😞 Expensive hardware
Frequency Counter+ Hz FFT#3

Frequency Counter+ Hz FFT by Kyu-Hee Jang

Audio Tone & Sound Analyzer
Worth Considering
🔧 Utilities
3.7(3 ratings)
FreeAds
Frequency Counter+ Hz FFT screenshot 1
Frequency Counter+ Hz FFT screenshot 2
Frequency Counter+ Hz FFT screenshot 3

This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.

More Frequency Meter Light apps to explore

4
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.

Frequency range 1Hz to 25,000HzWave visualizationAdjustable sensitivity
🔧 Utilities
(4.8K)
subscription
5
Pocket Light Meter
Pocket Light Meter
Pocket Light Meter
by Vladislav Vyshemirsky
$9.99

This app functions as a portable light meter, essential for film photographers using manual cameras. It accurately measures reflected light and provides reciprocity calculations for precise exposure control.

Portable light meterReflected light measurementReciprocity calculations
📷 Photo & Video
(1K)
free with in-app purchases
6
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(156K)
free with in-app purchases
7
Flicker Meter for Light - PWM
Flicker Meter for Light - PWM
Flicker Meter for Light - PWM
Screen LED Eye Strain Headache
Free

Detect and measure invisible high-frequency flickering in LED lights and screens that can cause eye strain and headaches. Find flicker-free alternatives to improve your comfort and health.

Detect invisible high-frequency flickeringMeasure flicker intensity (%)Measure flicker frequency (Hz)
🔧 Utilities
(40)
free with in-app purchases
8
Light Meter LM-3000
Light Meter LM-3000
Light Meter LM-3000
Simple & accurate measurement!
Free

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

Measure illuminance (lux/foot-candle)Measure color temperature (Kelvin)Industry-leading accuracy
🔧 Utilities
(2.5K)
free with in-app purchases
9
Illuminati Meter
Illuminati Meter
Illuminati Meter
Wireless light and color meter
Free

This app connects to a wireless light and color meter via Bluetooth, displaying exposure, color temperature, and other light data on your smartphone. It helps photographers and videographers set accurate exposure and white balance for various camera types and lighting conditions.

Bluetooth connectivity to IM100 meterDisplays exposure and color temperatureSupports still and video camera settings
📷 Photo & Video
(15)
free
10
Strobe tachometer (RPM meter)
Strobe tachometer (RPM meter)
Strobe tachometer (RPM meter)
+ Laser Tachometer + Magnetic
Free

Measure rotational speeds of objects using your phone's flashlight, laser, or magnetic sensor. Detect precise RPMs with adjustable flicker frequencies and a wide measurement range. Ideal for analyzing fan speeds, engine RPMs, and more.

Strobe tachometer functionLaser tachometer modeMagnetic tachometer mode
🔧 Utilities
(79)
free with in-app purchases
11
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Track noise around you.
Free

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps
📊 Productivity
(48K)
free with in-app purchases
12
Luxmeter - Lux Light Meter
Luxmeter - Lux Light Meter
Luxmeter - Lux Light Meter
Measure Lux Light & Exposure
Free

This app measures light intensity in lux and provides real-time exposure suggestions for photography. It offers customizable settings for shutter speed, aperture, and ISO, with options for both front and back cameras. It's designed for personal use to optimize lighting and capture better photos.

Light intensity measurement (lux, foot-candles)Real-time color temperature readingsExposure suggestions
🔧 Utilities
(52)
free with in-app purchases
13
Luminosys - Light Meter
Luminosys - Light Meter
Luminosys - Light Meter
A simple, powerful light meter
Free

Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.

Measures light in LuxMeasures light in Foot Candles (FC)Uses phone camera for accuracy
🔧 Utilities
(7)
ad-supported
14
Lux Light Meter for Mobile
Lux Light Meter for Mobile
Lux Light Meter for Mobile
Lux-Meter & Exposure Measure
Free

This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.

Real-time color temperature measurementLux and foot candle measurementsDaily light integral (DLI) calculation
🔧 Utilities
(190)
free with in-app purchases
15
Light Meter: Lux-525 Pro
Light Meter: Lux-525 Pro
Light Meter: Lux-525 Pro
Measure light intensity & cct
Free

This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.

Real-time illuminance measurementColor temperature measurementPPFD/PAR and DLI calculation
🔧 Utilities
(113)
free with in-app purchases
16
Decibel : dB Noise Level Meter
Decibel : dB Noise Level Meter
Decibel : dB Noise Level Meter
Audio Sound Frequency Analyzer
Free

Measure, analyze, and protect your hearing with this comprehensive sound level meter. It offers real-time decibel readings, noise exposure monitoring, and tools for audio exploration like frequency generation and speaker cleaning.

Real-time sound level measurement (dB)Noise exposure monitoring (Dosimeter)Interactive recording and visualization
🔧 Utilities
(250)
free with in-app purchases
17
Light Meter - lux and foot candle measurement tool
Light Meter - lux and foot candle measurement tool
Light Meter - lux and foot candle measurement tool
by Marina Polyanskaya
$1.99

Measure light intensity accurately with your smartphone. This tool provides real-time readings in lux and foot candles, calibrated with professional equipment. Ideal for indoor and outdoor use, it offers average and maximum value tracking.

Real-time light measurementOne-time measurement optionAverage and Max values
🔧 Utilities
(118)
free
18
Keepsmile
Keepsmile
Keepsmile
by Shenzhen Youzhida Technology Co., Ltd.
Free

Control a wide range of smart lighting products, including strip lights, bulbs, and lamps. Adjust colors, brightness, and settings for various lighting types like pool lamps and car lights.

Control strip lightsManage LED bulbsOperate floor lamps
🌟 Lifestyle
(4.5K)
ad-supported
19
Libre Light Sensor
Libre Light Sensor
Libre Light Sensor
Measure Light in Lux
Free

Measure ambient light levels in Lux using your iPhone's camera. Optimize sleep quality by understanding light exposure throughout the day and night.

Measure light in LuxUtilizes iPhone cameraOptimize sleep quality
🔧 Utilities
(113)
free
20
Lux Light Meter Pro
Lux Light Meter Pro
Lux Light Meter Pro
Measure Luminosity in Lux & FC
Free

Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.

Real-time lux and foot candle measurementsReal-time color temperature measurementsReal-time histogram plotting
🔧 Utilities
(5K)
free with in-app purchases

FAQ about Frequency Meter Light

What are the best frequency meter light apps for iPhone?
Frequency: Sound Generator tops our frequency meter light apps ranking as of July 2026, with a 4.7-star average from 340 App Store ratings, and it's free to download.
Yes — 18 of the top frequency meter light apps we rank are free to download, including Frequency: Sound Generator and Lumu Light Meter.
Frequency: Sound Generator shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 228+ frequency meter light apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app generates various sound waves, including sine, square, sawtooth, and triangle, with frequencies ranging from 1Hz to 22000Hz. It allows for visual representation of these sound waves through animation and provides control over volume. It can be used for purposes like testing hearing, speakers, headphones, and as an instrument tuner.
You can generate four types of sound waves: sine, square, sawtooth, and triangle. These can be easily selected from the main menu by tapping on the sound wave icon. Each waveform produces a different sound and animated visual representation.