Best Frequency Meter Audio Apps

230+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated July 2026

With an average user rating of 4.5β˜…, the frequency meter audio category is one of the App Store's strongest. Browse all 230+ apps we track, sorted so the most loved ones surface first.

Compare top Frequency Meter Audio Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel : dB sound level meterDecibel : dB sound level meterFree4.6β˜… (36K)NoYesSep 2026
2Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7β˜… (340)YesNoSep 2026
3Decibel X PRO: dBA Noise MeterDecibel X PRO: dBA Noise Meter$69.994.7β˜… (6.9K)NoNoSep 2026
4Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5β˜… (3K)NoYesAug 2026
5Frequency AnalyzerFrequency AnalyzerFree4.5β˜… (164)NoYesSep 2026
6Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6β˜… (161K)NoYesSep 2026
7Decibel : dB Noise Level MeterDecibel : dB Noise Level MeterFree4.4β˜… (250)NoYesSep 2026
8Decibel Meter Β· Sound AnalyzerDecibel Meter Β· Sound AnalyzerFree4.7β˜… (1.3K)NoYesSep 2026

Top Picks for Frequency Meter Audio

Decibel : dB sound level meter#1

Decibel : dB sound level meter by Vlad Polyanskiy

Audio noise Spectrum Analyzer
Editor's Choice
πŸ”§ Utilities
4.6😐(36K ratings)
FreeIn-App Purchases
Decibel : dB sound level meter screenshot 1
Decibel : dB sound level meter screenshot 2
Decibel : dB sound level meter screenshot 3
Decibel : dB sound level meter screenshot 4
Decibel : dB sound level meter screenshot 5
Decibel : dB sound level meter screenshot 6

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

What We Love

  • πŸ‘ Useful for monitoring noise levels
  • πŸ” Accurate for a phone app
  • πŸ”§ Good for calibrating audio equipment
  • πŸ’‘ Helpful for hearing protection
  • πŸ“Š Provides detailed measurements

Room to Improve

  • πŸ’° Aggressive upselling tactics
  • πŸ”’ Privacy concerns around data collection
  • πŸ•ΉοΈ Confusing free vs paid options
  • πŸ” Recurring subscription issues
  • πŸ”’ Inconsistent/inaccurate readings
Frequency: Sound Generator#2

Frequency: Sound Generator by Lucija Jaksic

Strong Contender
πŸ”§ 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

  • πŸ‘ Simple and easy to use interface
  • 🎡 Accurate frequency generation
  • πŸ’° Free application
  • 🧘 Helpful for meditation and stress relief
  • πŸ”§ Multiple waveform options (sine, square, triangular, sawtooth)
  • 🎚️ Background operation capability
  • 🎯 Useful for audio calibration and testing
  • ⚑ No popup ads or payment walls

Room to Improve

  • πŸ“’ Intrusive and inappropriate advertisements
  • πŸ”Š Potential audio damage to speakers/hearing
  • πŸ”’ Privacy concerns and data collection issues
  • πŸ“± UI elements off-screen on compact devices
  • 🎚️ Difficult frequency selection with slider
  • 🚫 No AirPlay support
  • ⏸️ App closes when switching to other apps
  • 😀 Pushy review request prompts
Decibel X PRO: dBA Noise Meter#3

Decibel X PRO: dBA Noise Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Worth Considering
πŸ”§ Utilities
4.7😊(6.9K ratings)
$69.99
Decibel X PRO: dBA Noise Meter screenshot 1
Decibel X PRO: dBA Noise Meter screenshot 2
Decibel X PRO: dBA Noise Meter screenshot 3
Decibel X PRO: dBA Noise Meter screenshot 4
Decibel X PRO: dBA Noise Meter screenshot 5
Decibel X PRO: dBA Noise Meter screenshot 6

This application transforms your device into a professional sound level meter, offering precise dBA and dBC measurements. It features advanced analysis tools like frequency spectrum analysis and data export, making it ideal for audio professionals and anyone interested in sound environments.

What We Love

  • πŸ‘ Works well
  • πŸš€ Keeps getting better with updates
  • πŸ’‘ Useful for monitoring noise levels
  • πŸ’‘ Helps protect hearing
  • πŸ‘ Accurate measurements
  • πŸ‘ Intuitive and easy to use
  • πŸ‘ Solid sound meter app
  • πŸ‘ Meets expectations

Room to Improve

  • πŸ› Data transfer issues between devices
  • πŸ› Crashes and stability issues
  • πŸ› Camera crashes
  • πŸ› Bugs with dark mode and language settings
  • πŸ› Inconsistent readings compared to other apps
  • πŸ› Inability to rotate screen
  • πŸ› Ads and frequent rating prompts in paid version

More Frequency Meter Audio apps to explore

FAQ about Frequency Meter Audio

What are the best frequency meter audio apps for iPhone?
Decibel : dB sound level meter tops our frequency meter audio apps ranking as of July 2026, with a 4.6-star average from 36K App Store ratings, and it's free to download.
Yes β€” 15 of the top frequency meter audio apps we rank are free to download, including Decibel : dB sound level meter and Frequency: Sound Generator.
Decibel : dB sound level meter has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 230+ frequency meter audio apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Decibel transforms your device into a powerful sound level meter and audio analyzer. It allows you to measure ambient noise in real time, monitor decibel levels, and explore sound frequencies using its integrated Spectrum Analyzer. The app also features sleep tracking with smart sound recognition to identify nighttime disruptions.
Yes, the app supports external microphones. You can calibrate connected microphones directly within the app and create custom profiles for different microphones. This allows for more precise and tailored audio measurements.