Comparison

Audio Spectrum Analyzer dB RTA vs Audio File 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 File Analyzer

Analyze audio files by viewing their waveform and real-time amplitude spectrum. Explore frequency components, transcribe speech, and customize display settings. A Pro version offers ad-free viewing and higher resolution analysis.

Highlights
  • Simultaneous waveform and spectrum display
  • Real-time frequency analysis
  • Speech transcription
  • Channel switching (Mix/L/R)
  • Spectrum zooming
  • Pitch meter display
Read full description

This app displays the "Audio Waveform" together with the FFT-based "Amplitude Spectrum" (frequency magnitude) or the "Spectrogram" (changes in frequency components over time) for audio files on your device. (FFT: Fast Fourier Transform) You can check the frequency components around the current playback position while playing the file. [Features] - Add audio files from "Files" or songs from "Music" to a playlist within this app. - Simultaneous display of audio waveform and a spectrum / spectrogram linked to the playback position. - Supports both portrait and landscape orientation. - Channel display switching (Mix / L / R). - Displays the peak level of the spectrum and its frequency. - Supports zooming in the frequency direction of the spectrum / spectrogram. - Pitch meter display. - Supports transcription in a specified language. (iOS 26 ~) The Pro version offers Ad-Free Viewing and High-Resolution Analysis (FFT size: 16384). [Spectrum / Spectrogram Display Settings] - Frequency Axis: Linear, Log - FFT Size: 1024, 2048, 4096, 8192, 16384 (* 16384 is available in the Pro version) - Window Function: Hann, Hamm, Blkman, None - (Spectrum) Octave Analysis: FFT, 1/24, 1/12, 1/6, 1/3, 1, Calc Method: Max, Ave - (Spectrogram) Display Duration: 5–30 seconds, Display Range: -60 to -150 dB [Transcription screen] (* Available on iOS 26 or later.) Transcribes speech in the selected audio file. The results are divided into recognized speech segments and displayed in cells with their start times. Tap a cell to move to that position. Swipe left on a cell to copy its text. ================================================ [Note] This app can't add songs of the following formats. - Songs from Apple Music, iCloud, iTunes Match - Songs that are protected by digital copyright (DRM) ================================================

Screenshots

Audio Spectrum Analyzer dB RTA3 screens
Audio File Analyzer4 screens

Verdict

The call

The clearest difference is ads: Audio Spectrum Analyzer dB RTA at none against Audio File Analyzer's shown. Audio Spectrum Analyzer dB RTA also leads on ratings volume (3K vs 2) and iOS requirement (15 vs 18.0). Audio File Analyzer's advantage is update cadence (every 10 days vs every 5 months). On price, rating, 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. Audio Spectrum Analyzer dB RTA sells 2 in-app purchases, starting at $1.99 per month and Audio File Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Audio Spectrum Analyzer dB RTA against 4.5 for Audio File Analyzer. 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.

UpkeepUpdate frequency

Audio Spectrum Analyzer dB RTA ships an update every 5 months, Audio File Analyzer every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Audio Spectrum Analyzer dB RTA versus Audio File Analyzer: the parameters behind the verdict, then further details
ParameterAudio Spectrum Analyzer dB RTAAudio File Analyzer
PriceFreeFree
Rating4.5 (3K ratings)4.5 (2 ratings) — better
Positive reviews43.6% of reviews—
Number of ratings3K — better2
Update frequencyEvery 5 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15 — better18.0
Further details — not scored
Size24 MB6 MB
Age rating4+4+
DeveloperMarina PolyanskayaLoop-Sessions.LLC.

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 File Analyzer

All ratings2 ratings
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 File 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
1 purchases

Audio File Analyzer

One-time1
  • Pro (Remove ads, High-Res analysis)$10.99

Questions

Is Audio Spectrum Analyzer dB RTA free?
Audio Spectrum Analyzer dB RTA is free to download, with in-app purchases available.
Is Audio File Analyzer free?
Audio File Analyzer is free to download, with in-app purchases available.
Which has better reviews, Audio Spectrum Analyzer dB RTA or Audio File Analyzer?
Audio File Analyzer is rated higher. Audio Spectrum Analyzer dB RTA averages 4.5 out of 5 from 3K ratings, while Audio File Analyzer averages 4.5 from 2 ratings.
Do Audio Spectrum Analyzer dB RTA or Audio File Analyzer have ads?
Audio File Analyzer shows ads; Audio Spectrum Analyzer dB RTA does not.
Which is updated more often, Audio Spectrum Analyzer dB RTA or Audio File Analyzer?
Audio Spectrum Analyzer dB RTA ships an update every 5 months, and Audio File Analyzer every 10 days. Most recently, Audio Spectrum Analyzer dB RTA was updated on November 3, 2026 and Audio File Analyzer on October 31, 2026.

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