Best Frequency Meter Pro Apps

246+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated October 2026

If you already know Frequency Meter PRO, this is the deeper bench. 246+ frequency meter pro apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Frequency Meter Pro Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency Meter PROFrequency Meter PRO$2.991.8★ (30)NoNoOct 2026
2Frequency AnalyzerFrequency AnalyzerFree4.5★ (187)NoYesNov 2026
3Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesNov 2026
4Decibel X PRO: dBA Noise MeterDecibel X PRO: dBA Noise Meter$69.994.7★ (6.9K)NoNoNov 2026
5Frequency Detector AnalyzerFrequency Detector AnalyzerFree4.4★ (23)NoYesOct 2026
6FQC - Frequency CounterFQC - Frequency CounterFree—NoNoJul 2026
7Frequency Analyzer: dB MeterFrequency Analyzer: dB MeterFree5.0★ (1)NoYesOct 2026
8Decibel Meter Noise DB ReaderDecibel Meter Noise DB ReaderFree4.0★ (19)NoYesOct 2026

Top Picks for Frequency Meter Pro

Frequency Meter PRO#1

Frequency Meter PRO by Lubomir Havran BINARTS

Professional tool
Editor's Choice
🎵 Music
1.8😞(30 ratings)
$2.99
Frequency Meter PRO screenshot 1
Frequency Meter PRO screenshot 2
Frequency Meter PRO screenshot 3

Analyze audio frequencies in real-time using your device's microphone. Visualize audio levels, noise, and frequency ranges with a spectrum analyzer and oscilloscope. Export data for further analysis.

What We Love

  • ✨ Identifies frequency quickly
  • 💡 Can filter sound frequencies
  • 💡 Detects harmonics
  • 💡 Useful for ultrasonic devices
  • 💡 Can be used to tune instruments
  • 💡 Good for physics labs
  • 💡 Useful for low-frequency sounds
  • 💡 Accurate for single tones
  • 💡 Good for speech therapy

Room to Improve

  • ❌ Inaccurate readings
  • ❌ Not a reliable frequency meter
  • ❌ Fake, toy, not a frequency meter
  • ❌ Useless for tuning
  • ❌ Waste of money
  • ❌ Faulty meter
  • ❌ Meaningless results
  • ❌ Rip off, scam
  • ❌ Not very good
  • ❌ Does not work
  • ❌ Garbage, out of tune, unusable
  • ❌ Crap, way off measurements
  • ❌ Incorrect frequencies
  • ❌ Worst purchase
  • ❌ Inaccurate, +/- 5 Hz at 2000Hz
  • ❌ Terrible, not accurate measurements
  • ❌ Limited and inaccurate
  • ❌ Utterly useless, readings all over the place
  • ❌ Terrible, doesn't work
  • ❌ No features
  • ❌ Worked only once
  • ❌ Inutile, not identifiable
  • ❌ Completely inaccurate, fancy looking junk
  • ❌ Inaccurate waste of money
  • ❌ Complete scam, horrible
  • ❌ Accuracy not great, ~10 Hz out
  • ❌ Does not work for me
  • ❌ Accuracy not good, jumps to nearest approximation
  • ❌ Ne marche pas correctement, imprecise data
  • ❌ Unbrauchbar, schade um das Geld
  • ❌ Pb, ne fonctionne pas
  • ❌ What a load of rubbish
  • ❌ Disappointed, inaccurate
  • ❌ Crashes on open
  • ❌ Junk, no instructions
  • ❌ Not accurate
  • ❌ Only shows certain frequencies
  • ❌ Basico ma si paga
  • ❌ Piece of crap, doesn't work
  • ❌ Crashes ever since update
  • ❌ Not accurate
  • ❌ Sound, is there sound?
  • ❌ Crashing at the push of a button
  • ❌ Doesn't work for bass guitar, random numbers
  • ❌ Problems on iPad, meter freezes
  • ❌ Does not work, odd numbers
  • ❌ Junk, locks up, off by 20 Hz
  • ❌ No instructions, buttons don't work
  • ❌ Awful App, doesn't work
  • ❌ Mala, muy mala
  • ❌ Unreliable, completely wrong results
  • ❌ Doesn't work on anything but sine wave
  • ❌ GARBAGE, barely works, crashes frequently
  • ❌ Rubbish app, does nothing
  • ❌ Awful app, doesn't work at all
Frequency Analyzer#2

Frequency Analyzer by Manfred Kuegel

Sound Decibel Meter, Spectroid
Strong Contender
🔧 Utilities
4.5(185 ratings)
FreeIn-App Purchases
Frequency Analyzer screenshot 1
Frequency Analyzer screenshot 2
Frequency Analyzer screenshot 3
Frequency Analyzer screenshot 4
Frequency Analyzer screenshot 5
Frequency Analyzer screenshot 6

Transform your device into a professional audio analysis tool with real-time FFT, SPL monitoring, and advanced visualization. Record, analyze, and export high-quality audio and video data for various acoustic applications.

Decibel : dB sound level meter#3

Decibel : dB sound level meter by Vlad Polyanskiy

Audio noise Spectrum Analyzer
Worth Considering
🔧 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

  • 👍 Useful for monitoring noise levels
  • 🔍 Accurate for a phone app
  • 🔧 Good for calibrating audio equipment
  • 💡 Helpful for hearing protection
  • 📊 Provides detailed measurements

Room to Improve

  • 💰 Aggressive upselling tactics
  • 🔒 Privacy concerns around data collection
  • 🕹️ Confusing free vs paid options
  • 🔁 Recurring subscription issues
  • 🔢 Inconsistent/inaccurate readings

More Frequency Meter Pro apps to explore

FAQ about Frequency Meter Pro

What are the best frequency meter pro apps for iPhone?
Frequency Meter PRO tops our frequency meter pro apps ranking as of October 2026, with a 1.8-star average from 30 App Store ratings, and it's priced at $2.99.
Yes — 18 of the top frequency meter pro apps we rank are free to download, including Frequency Analyzer and Decibel : dB sound level meter.
Frequency Meter PRO has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 246+ frequency meter pro apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.