Comparison

SpectralScan Audio Analyzer vs Frequency Analyzer

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

Head to head
About

SpectralScan Audio Analyzer

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

Highlights
  • Real-time frequency spectrum visualization
  • Sine sweep measurements for system response
  • Spectrogram for time-frequency analysis
  • Comparison and overlay of multiple measurements
  • Export data as CSV or PNG
  • Pro features for advanced analysis
Features
Read full description

SpectralScan turns your phone into a professional audio analysis tool. Real-Time Analyzer (RTA) Visualize your acoustic environment live with a high-resolution frequency spectrum. Adjust smoothing, peak hold, and frequency range on the fly. Sine Sweep Measurements Run a precision sine sweep and capture the full frequency response and impulse response of any speaker, room, or audio system. Spectrogram Watch frequency content evolve over time with a scrolling waterfall display. Compare & Export Save multiple measurements, overlay them for comparison, and export as CSV or PNG. Pro features: multiple sweep measurements, fine octave smoothing, peak frequency display, and additional color themes and more coming.

About

Frequency Analyzer

Features
Read full description

Frequency Analyzer: SpectraLab is a professional-grade audio analysis tool designed for real-world measurements, sound diagnostics, and signal verification — completely rebuilt as a native iOS app with a brand-new Liquid Glass design. Whether you're tuning a room, analyzing noise, or working with audio signals, SpectraLab provides fast, accurate, and easy-to-read results. KEY FEATURES - Real-time Frequency Analysis Detect dominant frequencies instantly using high-resolution FFT analysis. - Live Spectrum Visualization See how sound evolves over time with a smooth, responsive spectrum graph. - Peak Hold Track the highest detected frequencies over time for deeper analysis. - Spectrogram Visualize frequency content over time with a scrolling waterfall display. - Signal Generator Generate precise tones including sine waves, square waves, pink noise, and white noise. - Play & Analyze Mode Compare generated signals with live microphone input in real time. - Screenshot & Export Capture clean analyzer views and share results instantly. - Home Screen Widget See your latest measurement at a glance, right from your Home Screen. - Custom Presets Save and reuse your favorite generator settings. USE CASES - Room acoustics and speaker tuning - Audio testing and debugging - Music practice and instrument tuning - Environmental noise analysis and documentation - Education and signal learning DESIGNED FOR PRECISION SpectraLab focuses on stability, clarity, and performance. The interface is optimized for both beginners and advanced users, providing clean visuals without unnecessary complexity. PRO FEATURES - Noise Threshold Alerts — get notified the moment sound crosses a level you set, useful for documenting noise complaints or monitoring a space - A-weighting (dBA) — measure noise the way ordinances and regulations do, plus every window function for precise analysis - Extended Spectrogram History — see up to 3 minutes of waterfall history for deeper diagnostics - CSV Data Export — export raw frequency and magnitude data for analysis in Excel, Python, or MATLAB - Professional PDF Reports — share a clean, presentable report of any measurement - Unlimited Export History — free plan keeps your last 10 exports; Pro keeps everything - Larger FFT sizes up to 16k-point transforms for finer resolution - Unlimited custom presets A free trial is available so you can experience Pro before you subscribe. Start analyzing sound with precision today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SpectralScan Audio Analyzer4 screens
Frequency Analyzer4 screens

Verdict

The call

The clearest difference is device support: SpectralScan Audio Analyzer at 3 against Frequency Analyzer's 1. SpectralScan Audio Analyzer also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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. SpectralScan Audio Analyzer sells 1 one-off in-app purchase and Frequency Analyzer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SpectralScan Audio Analyzer ships an update every 9 days, Frequency Analyzer every 10 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 7 level
SpectralScan Audio Analyzer versus Frequency Analyzer: the parameters behind the verdict, then further details
ParameterSpectralScan Audio AnalyzerFrequency Analyzer
PriceFreeFree
Rating4.9 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 9 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size16 MB2 MB
Age rating4+4+
DeveloperOtsukare ABRAMAZAN USEN

In-app purchases

1 purchases

SpectralScan Audio Analyzer

One-time1
  • SpectralScan Pro$9.99
2 purchases

Frequency Analyzer

Subscriptions2
  • SpectraLab Pro Monthly3 Days trial$4.991 Month
  • SpectraLab Pro Yearly7 Days trial$24.991 Year

Questions

Is SpectralScan Audio Analyzer free?
SpectralScan Audio Analyzer is free to download, with in-app purchases available.
Is Frequency Analyzer free?
Frequency Analyzer is free to download, with in-app purchases available.
Do SpectralScan Audio Analyzer or Frequency Analyzer have ads?
Neither SpectralScan Audio Analyzer nor Frequency Analyzer shows ads.
Which is updated more often, SpectralScan Audio Analyzer or Frequency Analyzer?
SpectralScan Audio Analyzer ships an update every 9 days, and Frequency Analyzer every 10 days. Most recently, SpectralScan Audio Analyzer was updated on October 2, 2026 and Frequency Analyzer on September 30, 2026.

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