Comparison

RTA Audio vs Mic Spectrum Analyzer

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

Head to head
About

RTA Audio

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

Highlights
  • Real-time audio analysis (FFT)
  • Recording and offline processing
  • Spectrogram and waveform visualization
  • Exportable analysis reports (PDF)
  • Adjustable resolution and frequency scale
  • Peak and RMS metering
Features
Read full description

RTA Audio Realtime analyzer with recording and Visualizer module with export. ••• Realtime analyzer ••• Realtime analyzer gives you the ability to analyze realtime audio input (built-in microphone or external audio accessory inputs) using Fast Fourier Transform with selected window function. You can also record the input for future offline processing or export. ••• Visualizer ••• This module presents you the results of offline audio analysis. Selecting previously captured recording gives the graph view, spectrogram and waveform of the audio data. Simple controls gives you the ability to play, loop, seek and change rate of the recording synchronized with analysis data presentation. Export function allows you to share or archive your analysis. Resulting PDF document contains basic recording information, spectrogram, peak & RMS graph and frequency table data with maximum peaks (with the time of the occurrence in recording) ••• Features ••• Resolution: 1/2 - 1/96 Octave Logarithmic frequency scale Fixed frequency range (20 - 20kHz) Tone scale view C₀- H₈ (A₄ = 440Hz) Peak hold graph Peak average graph RMS average graph Pointer (watch) function Peak and RMS input meter ••• Audio input specification ••• Audio session mode - measurement Input gain control Sample rate: 48000 Hz Bit depth: Float32 Channel: 1(mono) Frequency range: 20Hz - 20kHz Dynamic range: -100dB - 0dB ••• FFT (Fast Fourier Transform) specification ••• Frame size: 8192 Overlap: from 60% to 90% Smoothing Window: Bartlett-Hann, Blackman, Blackman-Harris (default), Blackman-Nuttell, Cosine, Flat Top, Gauss, Hamming, Hann, Lanczos, Nuttall, Rectangular, Triangular Hardware acceleration

About

Mic Spectrum Analyzer

Visualize sound from your phone's microphone with various shapes and effects. Customize sensitivity, choose between dark and light themes, and explore 18 presets, custom shaders, and over 16 different effects for advanced users.

Highlights
  • 18 predefined presets
  • Load custom photos
  • Adjustable sensitivity
  • Dark and light UI themes
  • Over 16 different effects
  • Custom shaders
Features
Read full description

Mic Spectrum Analyzer is a music visualization tool. You can visualize sound coming from phone's microphone in variety of shapes and effects. Features: - 18 predefined presets! - Ability to load your own photos (make sure to select Blending mode to "Texture") - Sensitivity can be adjusted - Dark and light UI theme - 8 basic preset types - Over 16 different effects - Custom shaders (for advanced users)

Screenshots

RTA Audio4 screens
Mic Spectrum Analyzer4 screens

Verdict

The call

The clearest difference is rating: RTA Audio at 3.6 against Mic Spectrum Analyzer's 3.0. RTA Audio also leads on review sentiment (59% vs 38%). Mic Spectrum Analyzer's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 15.6). On price, ratings volume, update cadence and ads 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. RTA Audio sells 1 one-off in-app purchase. Mic Spectrum Analyzer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RTA Audio holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 31 and 19 respectively. Written reviews point the same way: 59% of RTA Audio's written reviews are positive against 38% of Mic Spectrum Analyzer's.

UpkeepUpdate frequency

RTA Audio ships an update every 28 months, Mic Spectrum Analyzer every 51 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
RTA Audio versus Mic Spectrum Analyzer: the parameters behind the verdict, then further details
ParameterRTA AudioMic Spectrum Analyzer
PriceFreeFree
Rating3.6 (31 ratings) — better3.0 (19 ratings)
Positive reviews58.5% of reviews — better37.5% of reviews
Number of ratings31 — better19
Update frequencyEvery 28 months — betterEvery 51 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size2 MB115 MB
Age rating4+4+
DeveloperNew Ball s.r.o.Adrian Ross

Customer experience

RTA Audio

All ratings31 ratings
Positive64.5%
Neutral3.2%
Negative32.3%
Written reviews41 reviews
Positive58.5%
Neutral9.8%
Negative31.7%

Mic Spectrum Analyzer

All ratings19 ratings
Positive42.1%
Neutral15.8%
Negative42.1%
Written reviews24 reviews
Positive37.5%
Neutral12.5%
Negative50.0%

In-app purchases

1 purchases

RTA Audio

One-time1
  • Upgrade to full version$14.99
None

Mic Spectrum Analyzer

No in-app purchases

Questions

Is RTA Audio free?
RTA Audio is free to download, with in-app purchases available.
Is Mic Spectrum Analyzer free?
Mic Spectrum Analyzer is free to download, with no in-app purchases.
Which has better reviews, RTA Audio or Mic Spectrum Analyzer?
RTA Audio is rated higher. RTA Audio averages 3.6 out of 5 from 31 ratings, while Mic Spectrum Analyzer averages 3.0 from 19 ratings.
Do RTA Audio or Mic Spectrum Analyzer have ads?
Neither RTA Audio nor Mic Spectrum Analyzer shows ads.
Which is updated more often, RTA Audio or Mic Spectrum Analyzer?
RTA Audio ships an update every 28 months, and Mic Spectrum Analyzer every 51 months. Most recently, RTA Audio was updated on October 23, 2026 and Mic Spectrum Analyzer on October 22, 2026.

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