Comparison

Frequency Detector Analyzer vs Decibel Meter:Noise Detector

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Frequency Detector Analyzer

This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.

Highlights
  • Live frequency tuner
  • Spectrogram visualization
  • Automatic logging and CSV export
  • Customizable logging interval
  • Elegant and modern design
  • Reliable performance
Features
Read full description

Frequency Detector is the ultimate tool for anyone who wants to truly understand sound. Whether you are a musician fine-tuning your instrument, a sound engineer analyzing audio, or simply curious about the world of frequencies around you, this app gives you clarity and precision in real time. With Frequency Detector, you never have to guess again. The app transforms your device into a reliable frequency detector that captures and analyzes sound instantly. Every measurement is displayed clearly so you always know exactly what frequency you are dealing with. Key Features: Live Tuner: See frequencies in real time with clear, accurate readings. Perfect for musicians, audio enthusiasts, and anyone needing a quick reference. Spectrogram: Visualize sound as it happens. Frequency Detector provides a powerful spectrogram view that lets you understand the structure of sound in a way numbers alone can’t explain. Logs & Export: Automatically log frequency readings over time and export them as a CSV file. Frequency Detector makes it easy to keep your data, share it, and use it anywhere. Elegant and Modern Design: A clean, intuitive interface ensures your focus stays on what matters: accurate sound analysis. Customizable Logging Interval: Control how often Frequency Detector records your sound measurements, giving you flexibility depending on your needs. Reliable Performance: Every feature in Frequency Detector is built to be stable and trustworthy, so you can rely on it for professional or personal use. Frequency Detector gives you the power to: Measure sound with precision. Track frequency changes over time. Export your work and share it instantly. Visualize sound patterns in a way that’s easy to understand. If you have ever wondered what pitch you’re hearing, needed proof of sound patterns, or wanted to turn your device into a professional tool, Frequency Detector is designed for you. This app is not a gimmick—it’s a real solution for real needs. No unnecessary clutter, no fake promises—just the essential tools that actually help you. Frequency Detector was created to solve the most important pain points: real-time measurement, accurate visualization, and effortless data logging. By using Frequency Detector, you will: Save time by getting accurate results instantly. Avoid mistakes caused by unreliable other apps. Gain confidence knowing that your device is now a precise frequency detector ready whenever you need it. Make the smart choice and upgrade to professional-level sound analysis. Frequency Detector delivers performance and reliability that sets it apart. We offer a 3 days free-trial followed by a weekly 4.99 USD plan. And also we offer a lifetime plan to have premium access forever with 14,99 USD. Terms of use EULA: https://sites.google.com/view/xmleula/home Privacy Policy: https://sites.google.com/view/odtconverterreader/home

About

Decibel Meter:Noise Detector

This app provides real-time decibel readings, sound level monitoring, and voice-activated noise recording. It allows users to document noise levels with video evidence, including decibel watermarks and timestamps, all processed on-device for privacy.

Highlights
  • Real-time dB meter with max, min, average
  • Voice-activated noise recording
  • Video recording with decibel watermark
  • Timestamp and GPS overlay
  • On-device audio/video processing
  • Live Activity on Lock Screen
Features
Read full description

Neighbor noise keeping you up? A low hum shaking the walls? Need clear proof for your HOA, landlord, or Airbnb host? Decibel Meter is a professional sound level meter, real-time spectrum analyzer, and video noise recorder for iPhone — so you can document what you hear and share it. Works fully offline. No cloud uploads. === BUILT FOR REAL DISPUTES • Video evidence with live dB, time, and GPS burned into the footage • Live monitoring with Max, Min, Average, and Leq • High-sensitivity modes to reveal low-frequency hums that basic dBA apps miss • Voice-activated overnight recording with optional AI triggers (Premium) • Private local library — export via AirDrop, Mail, or the Files app === VIDEO EVIDENCE YOU CAN SHARE Turn “it’s loud” into footage you can send. • Live decibel watermark on every frame • Timestamp + GPS overlay for where and when it happened • On-screen waveform while you record • Up to 5× pinch-to-zoom for distant construction or parties Useful for HOA complaints, landlord–tenant issues, short-term rental checks, and local noise reports. === LIVE SOUND LEVEL METER & SPECTRUM • Real-time dB with Max / Min / Avg / Leq • Spectrum analyzer: 1024 FFT, or detailed 2048 FFT (Premium) • A, C, and Z weighting • High Sensitivity mode for deep bass, HVAC, and structural rumble • Fullscreen LED view + Live Activities / Dynamic Island === AUTO RECORD WHEN IT GETS LOUD • Custom dB trigger and tail delay • Keep measuring in the background while you use other apps (when enabled) • Premium AI filters: focus on dogs, engines, music, and similar events • Segmented overnight saving to reduce data loss if the battery dies (Premium) === YOUR LOCAL EVIDENCE LIBRARY • Voice clips, video evidence, and metadata in one place • Play, rename, delete, or batch-share • Sort by date, peak dB, or name • Device calibration offset for more consistent reference readings === PREMIUM — 3-DAY FREE TRIAL Try the full toolkit free for 3 days: • Advanced 2048 FFT spectrogram for elusive low-frequency noise • Extended video evidence limits vs free tier • AI-triggered recording • Overnight / sleep report export (PDF & CSV where available) • Ad-free experience === PRIVACY — ON-DEVICE ONLY All measurement, AI classification, recording, and video overlays run on your iPhone. Decibel Meter works offline and does not upload your audio, video, or ambient data to our servers. === DISCLAIMER Decibel Meter is not a certified Class 1 or Class 2 sound level meter. Readings are high-precision reference estimates for personal comparison, logging, and documentation — not for legally required industrial metrology or occupational safety certification. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://decibelmeterpro.com/privacy.html

Screenshots

Frequency Detector Analyzer3 screens
Decibel Meter:Noise Detector4 screens

Verdict

The call

The clearest difference is review sentiment: Decibel Meter:Noise Detector at 100% against Frequency Detector Analyzer's 0%. Decibel Meter:Noise Detector also leads on rating (5.0 vs 4.4) and update cadence (every 5 days vs every 2 months). Frequency Detector Analyzer's advantage is ads (none vs shown) and ratings volume (23 vs 2). On price, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Frequency Detector Analyzer sells 2 in-app purchases, starting at $8.99 per 7 days and Decibel Meter:Noise Detector sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Decibel Meter:Noise Detector holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Frequency Detector Analyzer has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Frequency Detector Analyzer's written reviews are positive against 100% of Decibel Meter:Noise Detector's.

UpkeepUpdate frequency

Frequency Detector Analyzer ships an update every 2 months, Decibel Meter:Noise Detector every 5 days. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
Frequency Detector Analyzer versus Decibel Meter:Noise Detector: the parameters behind the verdict, then further details
ParameterFrequency Detector AnalyzerDecibel Meter:Noise Detector
PriceFreeFree
Rating4.4 (23 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings23 — better2
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.6
Further details — not scored
Size65 MB13 MB
Age rating4+4+
DeveloperNEURASYNCOffline Music

Customer experience

Frequency Detector Analyzer

All ratings20 ratings
Positive85.0%
Neutral0.0%
Negative15.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Decibel Meter:Noise Detector

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Frequency Detector Analyzer

Subscriptions1
  • Frequency Detector Weekly Sub3 Days trial$8.997 Days
One-time1
  • Frequency Detector Lifetime$29.99
4 purchases

Decibel Meter:Noise Detector

Subscriptions3
  • DecibelPro Premium Weekly$2.997 Days
  • DecibelPro Premium Monthly3 Days trial$9.991 Month
  • DecibelPro Premium Yearly3 Days trial$19.991 Year
One-time1
  • DecibelPro Ads Free$2.99

Questions

Is Frequency Detector Analyzer free?
Frequency Detector Analyzer is free to download, with in-app purchases available.
Is Decibel Meter:Noise Detector free?
Decibel Meter:Noise Detector is free to download, with in-app purchases available.
Which has better reviews, Frequency Detector Analyzer or Decibel Meter:Noise Detector?
Decibel Meter:Noise Detector is rated higher. Frequency Detector Analyzer averages 4.4 out of 5 from 23 ratings, while Decibel Meter:Noise Detector averages 5.0 from 2 ratings.
Do Frequency Detector Analyzer or Decibel Meter:Noise Detector have ads?
Decibel Meter:Noise Detector shows ads; Frequency Detector Analyzer does not.
Which is updated more often, Frequency Detector Analyzer or Decibel Meter:Noise Detector?
Frequency Detector Analyzer ships an update every 2 months, and Decibel Meter:Noise Detector every 5 days. Most recently, Frequency Detector Analyzer was updated on October 28, 2026 and Decibel Meter:Noise Detector on October 13, 2026.

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