DriveRack PA2 Control vs Audio Spectrum Analyzer dB RTA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Wireless control via WiFi
- System setup from any location
- Loudspeaker optimization
- Loudspeaker protection
- Audio processing management
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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.
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.
- 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
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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
Screenshots
Verdict
The clearest difference is rating: Audio Spectrum Analyzer dB RTA at 4.5 against DriveRack PA2 Control's 3.2. Audio Spectrum Analyzer dB RTA also leads on ratings volume (3K vs 110) and review sentiment (44% vs 34%). DriveRack PA2 Control's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15). On price, update cadence, 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
Both are free to download. Audio Spectrum Analyzer dB RTA sells 2 in-app purchases, starting at $1.99 per month. DriveRack PA2 Control asks for nothing beyond the download.
Audio Spectrum Analyzer dB RTA holds the better App Store score, 4.5 against 3.2. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer dB RTA has 3K ratings behind it against 110, so its average is the more settled of the two. Written reviews point the same way: 34% of DriveRack PA2 Control's written reviews are positive against 44% of Audio Spectrum Analyzer dB RTA's.
DriveRack PA2 Control ships an update every 8 months, Audio Spectrum Analyzer dB RTA every 5 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.
| Parameter | DriveRack PA2 Control | Audio Spectrum Analyzer dB RTA |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (110 ratings) | 4.5 (3K ratings) — better |
| Positive reviews | 34.0% of reviews | 43.6% of reviews — better |
| Number of ratings | 110 | 3K — better |
| Update frequency | Every 8 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15 |
| Further details — not scored | ||
| Size | 67 MB | 24 MB |
| Age rating | +4 | 4+ |
| Developer | Harman Professional, Inc. | Marina Polyanskaya |
Customer experience
DriveRack PA2 Control
Audio Spectrum Analyzer dB RTA
Bugs and requests
DriveRack PA2 Control
Not enough reviews yet to summarise bugs or 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
In-app purchases
DriveRack PA2 Control
No in-app purchases
Audio Spectrum Analyzer dB RTA
- Premium Access3 Days trial$1.991 Month
- Spectrum Analyzer Pro$7.99
Questions
Is DriveRack PA2 Control free?
Is Audio Spectrum Analyzer dB RTA free?
Which has better reviews, DriveRack PA2 Control or Audio Spectrum Analyzer dB RTA?
Do DriveRack PA2 Control or Audio Spectrum Analyzer dB RTA have ads?
Which is updated more often, DriveRack PA2 Control or Audio Spectrum Analyzer dB RTA?
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