Comparison

Audio Spectrum Analyzer Pro vs Audio Analyzer

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

Head to head
About

Audio Spectrum Analyzer Pro

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

Highlights
  • Octave Band Real Time Analyzer
  • FFT Plot (Fast Fourier Transform)
  • Sound level meter (dB meter)
  • Noise Rating and Noise Criterion support
  • Support for external microphones
  • Pre-calibrated mic profiles
Features
Read full description

Audio Spectrum Analyzer is a powerful real-time audio analysis app. Full of features yet very simple to use. Sound level meter (db meter a-weighted, noise rating, noise criterion) included. Feature Highlights: • Octave Band Real Time Analyzer • FFT Plot (Fast Fourier Transform) • Linear and logarithm scales • Up to 16384 FFT size • A lot of available window functions • Tracking for max value • Max and Min for any selected frequency • Stunned graphics • Reliable measurement accuracy with pre-calibrated profiles for 3 device-integrated mics • Additional precision with integrated support and pre-calibrated profiles for AirPods, AirPods Pro • Safer measurements using the Airpods Pro noise cancellation feature • Support for external microphones (wired or via Bluetooth) • Noise Rating and Noise Criterion support And many many more... Terms of Use: https://www.iubenda.com/terms-and-conditions/94359518

About

Audio Analyzer

Visualize audio in real-time with waveform and spectrum analysis. Explore historical peaks and FFT data with intuitive touch controls for zooming and volume adjustment.

Highlights
  • Waveform visualizer (oscilloscope)
  • Spectrum analyzer
  • Historical peak display
  • Historical FFT
  • Full-screen mode
  • Zoom and swipe gestures
  • Input volume adjustment
Features
Read full description

The analyzed result of the waveform is rendered at 60FPS.
The following 4 functions can be accessed: Waveform visualizer (oscilloscope) Spectrum analyzer Historical peak Historical FFT Tapping each function enters into full-screen mode and tapping once more exits full-screen mode. Horizontal zoom is only available for the spectrum analyzer.
Magnification gesture (aka pinching) allows for zooming in and out, and frequency offset can be performed by swiping on the screen horizontally. Vertical swiping adjusts input volume.
Coefficients are displayed in the corner. 
*dBFullScale
20 * log10 ( input) A demonstration is here. https://www.youtube.com/watch?v=6mDa_zCgYzE

Screenshots

Audio Spectrum Analyzer Pro4 screens
Audio Analyzer4 screens

Verdict

The call

The clearest difference is price: Audio Spectrum Analyzer Pro at Free against Audio Analyzer's $3.99. Audio Spectrum Analyzer Pro also leads on ratings volume (238 vs 2). Audio Analyzer's advantage is review sentiment (100% vs 57%) and rating (5.0 vs 4.4). On ads, device support and iOS requirement 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

Audio Spectrum Analyzer Pro is free to download; Audio Analyzer costs $3.99 up front. Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year. Audio Analyzer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Audio Analyzer holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 238 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 57% of Audio Spectrum Analyzer Pro's written reviews are positive against 100% of Audio Analyzer's.

UpkeepUpdate frequency

Audio Spectrum Analyzer Pro ships an update every 7 months, Audio Analyzer every 2 months. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

Scorecard7 real differences · 3 level
Audio Spectrum Analyzer Pro versus Audio Analyzer: the parameters behind the verdict, then further details
ParameterAudio Spectrum Analyzer ProAudio Analyzer
PriceFree — better$3.99
Rating4.4 (238 ratings)5.0 (2 ratings) — better
Positive reviews57.4% of reviews100.0% of reviews — better
Number of ratings238 — better2
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size40 MB1 MB
Age rating4+4+
DeveloperVlad PolyanskiyNarumi Inada

Customer experience

Audio Spectrum Analyzer Pro

All ratings238 ratings
Positive85.3%
Neutral4.6%
Negative10.1%
Written reviews183 reviews
Positive57.4%
Neutral7.1%
Negative35.5%

Audio Analyzer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Audio Spectrum Analyzer Pro

Reported bugs

11 issues
  • App crashes on iOS 16 and iOS 26 launches
  • FFT resolution not working after iOS updates
  • Graph display freezes or becomes unresponsive
  • Spectrograph mode too slow on newer iPhones
  • Frequency alignment issues with dynamic display
Show 6 more
  • App won't uninstall properly
  • Malware warnings appearing
  • Help links and support pages broken/dead
  • Incorrect dB level readings (off by ~20dB)
  • Recording functions non-functional
  • Half black screen in certain orientations

Requested features

11 requests
  • Audio file upload capability
  • White noise/test signal generator
  • Microphone calibration file support
  • Recording functionality with timestamp
  • Multiple frequency cursors for comparison
Show 6 more
  • Ability to compare before/after curves
  • Adjustable dB level zoom/scaling
  • Saved settings and personalizations
  • Audio Unit (AUV3) plugin support
  • Peak hold reset button
  • Time-domain recording in spectrograph mode

Audio Analyzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Audio Spectrum Analyzer Pro

Subscriptions1
  • Premium Mode7 Days trial$19.991 Year
One-time1
  • Premium Pack$29.99
None

Audio Analyzer

No in-app purchases

Questions

Is Audio Spectrum Analyzer Pro free?
Audio Spectrum Analyzer Pro is free to download, with in-app purchases available.
Is Audio Analyzer free?
Audio Analyzer costs $3.99, with no in-app purchases.
Which has better reviews, Audio Spectrum Analyzer Pro or Audio Analyzer?
Audio Analyzer is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 238 ratings, while Audio Analyzer averages 5.0 from 2 ratings.
Do Audio Spectrum Analyzer Pro or Audio Analyzer have ads?
Neither Audio Spectrum Analyzer Pro nor Audio Analyzer shows ads.
Which is updated more often, Audio Spectrum Analyzer Pro or Audio Analyzer?
Audio Spectrum Analyzer Pro ships an update every 7 months, and Audio Analyzer every 2 months. Most recently, Audio Spectrum Analyzer Pro was updated on September 24, 2026 and Audio Analyzer on September 13, 2026.

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