Comparison

Spectrum Analyzer vs Audio Spectrum Analyzer dB RTA

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

Head to head
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 dB RTA

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

Highlights
  • Octave Band Real-Time Analyzer
  • FFT Plot - Fast Fourier Transform
  • Integrated Sound Level Meter (dB-A)
  • Multispectral Harmonic Analyzer
  • Hold Max and Min Peaks
  • Various Window Functions
Features
Read full description

Spectrum Analyzer is full of fantastic advanced features you won’t find elsewhere easily! This app offers a fast and accurate spectrum analysis suitable for both amateur hi-fi enthusiasts and professional A/V engineers. This incredibly precise, pro level tool is perfect for tuning your home cinema, car stereo, subwoofers, and more. Spectrum analyser gives insight into your sounds and deconstructs the audio spectrum, showing the levels of the various frequencies in your audio signal. The built-in sound meter provides high-quality measurement results when measuring ambient noise levels in a multitude of real-life scenarios. Features include- ● Octave Band Real-Time Analyzer ● FFT Plot - Fast Fourier Transform ● Smooth HD Graphics ● Multispectral Harmonic Analyzer ● Integrated Sound Level Meter (dB-A weighted) FFT Features ● FFT size from 256 to incredible 16384 ● Hold Max and (unique feature) Min peaks ● Linear and Logarithm scales ● Various window functions: Rectangle, Hanning, Hamming, Tukey, Cosine, Lanczos, Blackman ● Max frequency live tracking ● Selected frequency live tracking ● Fullscreen mode Octave RTA features ● Bars and unique spline plot modes ● Full, 1/3, 1/6 octave modes ● Hold max mode ● Selected bar tracking. And much more... Please feel free to contact us with any questions, problems or ideas via e-mail support@lspapps.com. Privacy Policy - https://www.iubenda.com/privacy-policy/42622625 Terms of Use https://www.iubenda.com/terms-and-conditions/42622625

Screenshots

Spectrum Analyzer3 screens
Audio Spectrum Analyzer dB RTA3 screens

Verdict

The call

The clearest difference is review sentiment: Audio Spectrum Analyzer dB RTA at 44% against Spectrum Analyzer's 5%. Audio Spectrum Analyzer dB RTA also leads on ads (none vs shown) and rating (4.5 vs 4.2). Spectrum Analyzer's advantage is update cadence (fortnightly vs every 5 months). On price, in-app purchases, monetization model and device support 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 dB RTA sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Audio Spectrum Analyzer dB RTA holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer dB RTA has 3K ratings behind it against 197, so its average is the more settled of the two. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 44% of Audio Spectrum Analyzer dB RTA's.

UpkeepUpdate frequency

Spectrum Analyzer ships an update fortnightly, Audio Spectrum Analyzer dB RTA every 5 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
Spectrum Analyzer versus Audio Spectrum Analyzer dB RTA: the parameters behind the verdict, then further details
ParameterSpectrum AnalyzerAudio Spectrum Analyzer dB RTA
PriceFreeFree
Rating4.2 (197 ratings)4.5 (3K ratings) — better
Positive reviews5.0% of reviews43.6% of reviews — better
Number of ratings1973K — better
Update frequencyFortnightly — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015 — better
Further details — not scored
Size132 MB24 MB
Age rating4+4+
DeveloperMusic BreathMarina Polyanskaya

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 dB RTA

All ratings3,042 ratings
Positive87.7%
Neutral4.1%
Negative8.2%
Written reviews484 reviews
Positive43.6%
Neutral7.4%
Negative49.0%

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 dB RTA

From 3K App Store ratings

What we love

  • 🚀 Excellent audio analysis tool
  • 👍 Clean and intuitive interface
  • 💡 Customizable frequency range
  • 🔍 Accurate real-time spectrum visualization

Room to improve

  • 🐛 Compatibility issues with newer iOS versions
  • 🔁 Constant prompts to upgrade to Pro version
  • 🔌 High battery consumption
  • 📊 Inaccurate frequency tracking in some modes

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 dB RTA

Reported bugs

3 issues
  • Freezing and crashing on certain devices
  • Incorrect frequency readings in Octave RTA mode
  • Inability to switch between microphone sources

Requested features

4 requests
  • External microphone support
  • Ability to save and compare measurement results
  • More detailed instructions and tutorials
  • Vertical orientation option

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 dB RTA

Subscriptions1
  • Premium Access3 Days trial$1.991 Month
One-time1
  • Spectrum Analyzer Pro$7.99

Questions

Is Spectrum Analyzer free?
Spectrum Analyzer is free to download, with in-app purchases available.
Is Audio Spectrum Analyzer dB RTA free?
Audio Spectrum Analyzer dB RTA is free to download, with in-app purchases available.
Which has better reviews, Spectrum Analyzer or Audio Spectrum Analyzer dB RTA?
Audio Spectrum Analyzer dB RTA is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while Audio Spectrum Analyzer dB RTA averages 4.5 from 3K ratings.
Do Spectrum Analyzer or Audio Spectrum Analyzer dB RTA have ads?
Spectrum Analyzer shows ads; Audio Spectrum Analyzer dB RTA does not.
Which is updated more often, Spectrum Analyzer or Audio Spectrum Analyzer dB RTA?
Spectrum Analyzer ships an update fortnightly, and Audio Spectrum Analyzer dB RTA every 5 months. Most recently, Spectrum Analyzer was updated on September 24, 2026 and Audio Spectrum Analyzer dB RTA on September 22, 2026.

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