Comparison

Spectrum Analyzer vs Audio Spectrum Analyzer Pro

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

Head to head

Spectrum Analyzer

Audio frequency visualizer

Free

🎵 Music

★ 4.2197 ratingsView app →

Audio Spectrum Analyzer Pro

Sound Frequency Analysis

Free

🎵 Music

★ 4.4238 ratingsView app →

About

Spectrum Analyzer

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

Highlights

Sound level meter
Multichannel harmonic analysis
Adjustable graphics
AI-powered sound source analyzer
Real-time analysis
FFT analysis

Features

Read full description

Spectrum Analyzer is a pro audio tool with sound level meter, multichannel harmonic analysis and detailed graphical representation. Learn something new about your sound environment with real-time analysis! FEATURES: - sound level meter; - harmonic analyzer; - adjustable graphics; - AI-powered sound source analyzer. SOUND LEVEL METER - precise measurement of sound and noise level - real-time results HARMONIC ANALYZER - multichannel FFT analysis; - adjustable parameters; - graphical representation. ADJUSTABLE GRAPHICS - various graphics and diagram types; - zoom of selected chart areas. This app offers subscriptions. The paid version includes AI noise detection, immersive 3D visualization, and customizable settings. The free version offers dB/Hz measurement, 2D mode, and limited visualization options. Privacy Policy: https://musicbreath.com/privacy Terms Of Use: https://musicbreath.com/tos

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

Screenshots

Spectrum Analyzer3 screens

Audio Spectrum Analyzer Pro4 screens

Verdict

The call

The clearest difference is review sentiment: Audio Spectrum Analyzer Pro at 57% against Spectrum Analyzer's 5%. Audio Spectrum Analyzer Pro also leads on ads (none vs shown) and rating (4.4 vs 4.2). Spectrum Analyzer's advantage is update cadence (fortnightly vs every 7 months). On price, ratings volume, 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. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days and Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 197 and 238 respectively. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 57% of Audio Spectrum Analyzer Pro's.

UpkeepUpdate frequency

Spectrum Analyzer ships an update fortnightly, Audio Spectrum Analyzer Pro every 7 months. Both last shipped on September 24, 2026.

Scorecard5 real differences · 5 level

Spectrum Analyzer versus Audio Spectrum Analyzer Pro: the parameters behind the verdict, then further details
Parameter	Spectrum Analyzer	Audio Spectrum Analyzer Pro
Price	Free	Free
Rating	4.2 (197 ratings)	4.4 (238 ratings) — better
Positive reviews	5.0% of reviews	57.4% of reviews — better
Number of ratings	197	238 — better
Update frequency	Fortnightly — better	Every 7 months
Ads	Yes	No — better
In-app purchases	Yes	Yes
Monetization	Freemium	Free with in-app purchases
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.0	13.0 — better
Further details — not scored
Size	132 MB	40 MB
Age rating	4+	4+
Developer	Music Breath	Vlad Polyanskiy

Customer experience

Spectrum Analyzer

All ratings197 ratings

Positive77.2%

Neutral6.6%

Negative16.2%

Written reviews241 reviews

Positive5.0%

Neutral5.0%

Negative90.0%

Audio Spectrum Analyzer Pro

All ratings238 ratings

Positive85.3%

Neutral4.6%

Negative10.1%

Written reviews183 reviews

Positive57.4%

Neutral7.1%

Negative35.5%

User reviews

Spectrum Analyzer

From 197 App Store ratings

What we love

✅ Accurate frequency identification
✅ Clear and easy-to-read display
✅ Useful noise floor setup feature
✅ Works well when ads are removed

Room to improve

💰 Extremely aggressive monetization strategy
📢 Excessive and intrusive ads
🔊 Loud ads that ignore device mute settings
🚫 Requires subscription/payment to access core features
😤 Deceptive purchase practices and accidental charges

Audio Spectrum Analyzer Pro

From 238 App Store ratings

What we love

👍 Intuitive and easy-to-use interface
💰 Completely free with no ads
🎯 Accurate frequency and spectrum analysis
📊 Multiple visualization modes (FFT, spectrograph, bar display)
🔧 Professional-grade audio measurement tool

Room to improve

💸 Aggressive subscription/paywall nags
🔄 Frequent iOS compatibility issues after updates
📉 Features moved behind paywall in recent updates
🐛 App crashes on startup (especially iOS 16/26)
⚠️ Misleading free trial that requires payment

Bugs and requests

Spectrum Analyzer

Reported bugs

10 issues

App becomes unusable after iOS 16 update
Crashes immediately on iPhone 5 with iOS 7
Cannot exit app on iPhone X without reboot
App freezes when changing settings or views
Inaccurate frequency readings

Show 5 more

Slow and unresponsive performance
App hijacks device sound settings
Accidental in-app purchases triggered by home button
Subscription charges without clear user consent
App locks users into year-long subscriptions with no cancellation option

Requested features

7 requests

Audio file import functionality
Customizable background colors for chroma key compatibility
Ability to record audio instead of only analyzing
Better documentation and help files
Improved sensitivity for detecting soft sounds

Show 2 more

Dark mode option
Upfront pricing disclosure before download

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

In-app purchases

13 purchases

Spectrum Analyzer

Subscriptions9

Pitch Finder: Audio Visualizer3 Days trial$4.997 Days
Pitch Finder: Audio Visualizer3 Days trial$9.991 Month
One Month Sale$9.991 Month

Show 6 more

1 Week Subscription3 Days trial$9.997 Days
1 Year Sub. with discount$19.991 Year
1 Month Subscription$19.991 Month
3 Month Subscription$25.993 Months
1 Year Subscription3 Days trial$39.991 Year
2 months subscription3 Days trial$39.992 Months

One-time4

No Ads$9.99
Additional Settings Controls$15.99
Full Pack + No Ads$19.99

Show 1 more

Get More$19.99

2 purchases

Audio Spectrum Analyzer Pro

Subscriptions1

Premium Mode7 Days trial$19.991 Year

One-time1

Premium Pack$29.99

Questions

Is Spectrum Analyzer free?

Spectrum Analyzer is free to download, with in-app purchases available.

Is Audio Spectrum Analyzer Pro free?

Audio Spectrum Analyzer Pro is free to download, with in-app purchases available.

Which has better reviews, Spectrum Analyzer or Audio Spectrum Analyzer Pro?

Audio Spectrum Analyzer Pro is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while Audio Spectrum Analyzer Pro averages 4.4 from 238 ratings.

Do Spectrum Analyzer or Audio Spectrum Analyzer Pro have ads?

Spectrum Analyzer shows ads; Audio Spectrum Analyzer Pro does not.

Which is updated more often, Spectrum Analyzer or Audio Spectrum Analyzer Pro?

Spectrum Analyzer ships an update fortnightly, and Audio Spectrum Analyzer Pro every 7 months. Most recently, Spectrum Analyzer was updated on September 24, 2026 and Audio Spectrum Analyzer Pro on September 24, 2026.