Comparison

Audio Spectrum Analyzer dB RTA 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 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

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 dB RTA3 screens
Audio Analyzer4 screens

Verdict

The call

The clearest difference is review sentiment: Audio Analyzer at 100% against Audio Spectrum Analyzer dB RTA's 44%. Audio Analyzer also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 2). Audio Spectrum Analyzer dB RTA's advantage is price (Free vs $3.99) and ratings volume (3K vs 2). On ads 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

Audio Spectrum Analyzer dB RTA is free to download; Audio Analyzer costs $3.99 up front. Audio Spectrum Analyzer dB RTA sells 2 in-app purchases, starting at $1.99 per month. 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 4.5. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer dB RTA has 3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 44% of Audio Spectrum Analyzer dB RTA's written reviews are positive against 100% of Audio Analyzer's.

UpkeepUpdate frequency

Audio Spectrum Analyzer dB RTA ships an update every 5 months, Audio Analyzer every 2 months. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

Scorecard8 real differences · 2 level
Audio Spectrum Analyzer dB RTA versus Audio Analyzer: the parameters behind the verdict, then further details
ParameterAudio Spectrum Analyzer dB RTAAudio Analyzer
PriceFree — better$3.99
Rating4.5 (3K ratings)5.0 (2 ratings) — better
Positive reviews43.6% of reviews100.0% of reviews — better
Number of ratings3K — better2
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1513.0 — better
Further details — not scored
Size24 MB1 MB
Age rating4+4+
DeveloperMarina PolyanskayaNarumi Inada

Customer experience

Audio Spectrum Analyzer dB RTA

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

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 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

Audio Analyzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Audio Spectrum Analyzer dB RTA

Subscriptions1
  • Premium Access3 Days trial$1.991 Month
One-time1
  • Spectrum Analyzer Pro$7.99
None

Audio Analyzer

No in-app purchases

Questions

Is Audio Spectrum Analyzer dB RTA free?
Audio Spectrum Analyzer dB RTA 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 dB RTA or Audio Analyzer?
Audio Analyzer is rated higher. Audio Spectrum Analyzer dB RTA averages 4.5 out of 5 from 3K ratings, while Audio Analyzer averages 5.0 from 2 ratings.
Do Audio Spectrum Analyzer dB RTA or Audio Analyzer have ads?
Neither Audio Spectrum Analyzer dB RTA nor Audio Analyzer shows ads.
Which is updated more often, Audio Spectrum Analyzer dB RTA or Audio Analyzer?
Audio Spectrum Analyzer dB RTA ships an update every 5 months, and Audio Analyzer every 2 months. Most recently, Audio Spectrum Analyzer dB RTA was updated on September 22, 2026 and Audio Analyzer on September 13, 2026.

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