Comparison

RTA Audio vs DriveRack PA2 Control

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

DriveRack PA2 Control

Control your PA2 hardware wirelessly from any location. This app optimizes and protects your loudspeakers by managing audio processing between your mixer and amplifiers.

Highlights
  • Wireless control via WiFi
  • System setup from any location
  • Loudspeaker optimization
  • Loudspeaker protection
  • Audio processing management
Read full description

The DriveRack® PA2 Control app is the ultimate way to control the PA2 hardware. The DriveRack® PA2 provides all the processing you need between your mixer and amplifiers to optimize and protect your loudspeakers. With the PA2 app you can control all aspects of the hardware through a network (WiFi) connection allowing you to setup system from any location. DriveRack® PA2 continues the DriveRack® legacy of great-sounding, powerful, and affordable loudspeaker management processors.

Screenshots

RTA Audio4 screens
DriveRack PA2 Control4 screens

Verdict

The call

The clearest difference is in-app purchases: DriveRack PA2 Control at none against RTA Audio's 1. DriveRack PA2 Control also leads on update cadence (every 8 months vs every 28 months) and ratings volume (108 vs 31). RTA Audio's advantage is rating (3.6 vs 3.2) and review sentiment (60% vs 34%). On price, 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

Both are free to download. RTA Audio sells 1 one-off in-app purchase. DriveRack PA2 Control asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RTA Audio holds the better App Store score, 3.6 against 3.2. Both are backed by a comparable volume of ratings — 31 and 108 respectively. Written reviews point the same way: 60% of RTA Audio's written reviews are positive against 34% of DriveRack PA2 Control's.

UpkeepUpdate frequency

RTA Audio ships an update every 28 months, DriveRack PA2 Control every 8 months. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

Scorecard7 real differences · 3 level
RTA Audio versus DriveRack PA2 Control: the parameters behind the verdict, then further details
ParameterRTA AudioDriveRack PA2 Control
PriceFreeFree
Rating3.6 (31 ratings) — better3.2 (108 ratings)
Positive reviews60.0% of reviews — better34.0% of reviews
Number of ratings31108 — better
Update frequencyEvery 28 monthsEvery 8 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size2 MB67 MB
Age rating4++4
DeveloperNew Ball s.r.o.Harman Professional, Inc.

Customer experience

RTA Audio

All ratings31 ratings
Positive64.5%
Neutral3.2%
Negative32.3%
Written reviews40 reviews
Positive60.0%
Neutral10.0%
Negative30.0%

DriveRack PA2 Control

All ratings108 ratings
Positive49.1%
Neutral10.2%
Negative40.7%
Written reviews97 reviews
Positive34.0%
Neutral8.2%
Negative57.7%

In-app purchases

1 purchases

RTA Audio

One-time1
  • Upgrade to full version$14.99
None

DriveRack PA2 Control

No in-app purchases

Questions

Is RTA Audio free?
RTA Audio is free to download, with in-app purchases available.
Is DriveRack PA2 Control free?
DriveRack PA2 Control is free to download, with no in-app purchases.
Which has better reviews, RTA Audio or DriveRack PA2 Control?
RTA Audio is rated higher. RTA Audio averages 3.6 out of 5 from 31 ratings, while DriveRack PA2 Control averages 3.2 from 108 ratings.
Do RTA Audio or DriveRack PA2 Control have ads?
Neither RTA Audio nor DriveRack PA2 Control shows ads.
Which is updated more often, RTA Audio or DriveRack PA2 Control?
RTA Audio ships an update every 28 months, and DriveRack PA2 Control every 8 months. Most recently, RTA Audio was updated on September 8, 2026 and DriveRack PA2 Control on September 20, 2026.

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