Comparison

RTA Audio vs pro24bt

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

pro24bt

Control your Taramps audio processor remotely via Bluetooth. Adjust crossover, equalization, routing, and levels in real-time for precise sound system tuning. Features include a graphic equalizer, delay, and preset saving.

Highlights
  • Complete adjustments via app
  • Real-time control via smartphone
  • 15-band graphic equalizer
  • Parametric input and output equalizer
  • HPF and LPF crossover
  • Alignment (Delay) per channel
  • Saving and sharing presets
Features
Read full description

Control your Taramps audio processor directly from your iPhone or iPad via Bluetooth connection. The app was developed to facilitate sound system adjustments, offering a practical, modern, and responsive interface to configure the processor's main features in real time. With it, you can adjust crossover, equalization, routing, output levels, audio generator, and other essential functions to achieve greater precision in adjusting your processor. Main Features: • Complete adjustments via app • Music playback via Bluetooth • Real-time control via smartphone • 15-band graphic equalizer • Parametric input and output equalizer • HPF and LPF crossover with advanced filters • Alignment (Delay) per channel • Phase control • Configurable limiter • Individual gain adjustment on outputs • Integrated audio generator • Saving and sharing presets • Real-time voltmeter • Quick shortcuts to favorite functions Ideal for: • Bob Box • In-car audio • Compact projects • Discreet installations • Systems with limited space • Projects without a traditional player • Car audio systems Note: To use all the app's features, a compatible Taramps audio processor is required. PRO 2.4BT + Audio Your smartphone in control of the sound.

Screenshots

RTA Audio4 screens
pro24bt4 screens

Verdict

The call

The clearest difference is rating: pro24bt at 5.0 against RTA Audio's 3.5. pro24bt also leads on review sentiment (100% vs 59%) and in-app purchases (none vs 1). RTA Audio's advantage is ratings volume (32 vs 2). On price, ads, device support and iOS requirement 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. pro24bt asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

pro24bt holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: RTA Audio has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 59% of RTA Audio's written reviews are positive against 100% of pro24bt's.

UpkeepUpdate frequency

RTA Audio ships an update every 28 months, pro24bt every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard6 real differences · 4 level
RTA Audio versus pro24bt: the parameters behind the verdict, then further details
ParameterRTA Audiopro24bt
PriceFreeFree
Rating3.5 (32 ratings)5.0 (2 ratings) — better
Positive reviews58.5% of reviews100.0% of reviews — better
Number of ratings32 — better2
Update frequencyEvery 28 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size2 MB16 MB
Age rating4+4+
DeveloperNew Ball s.r.o.TARAMPS ELECTRONICS LTDA.

Customer experience

RTA Audio

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

pro24bt

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

RTA Audio

One-time1
  • Upgrade to full version$14.99
None

pro24bt

No in-app purchases

Questions

Is RTA Audio free?
RTA Audio is free to download, with in-app purchases available.
Is pro24bt free?
pro24bt is free to download, with no in-app purchases.
Which has better reviews, RTA Audio or pro24bt?
pro24bt is rated higher. RTA Audio averages 3.5 out of 5 from 32 ratings, while pro24bt averages 5.0 from 2 ratings.
Do RTA Audio or pro24bt have ads?
Neither RTA Audio nor pro24bt shows ads.
Which is updated more often, RTA Audio or pro24bt?
RTA Audio ships an update every 28 months, and pro24bt every 3 weeks. Most recently, RTA Audio was updated on November 1, 2026 and pro24bt on November 5, 2026.

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