Audio Spectrum Analyzer dB RTA vs SQA Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
SQA Connect
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SQA Connect là ứng dụng điều khiển loa DSP của Son Quan Solutions qua Bluetooth Low Energy (BLE). Tính năng chính: • Điều chỉnh âm lượng trực tiếp từ điện thoại • Chỉnh EQ nhạc với nhiều dải tần • Hiệu ứng mic: Echo, Reverb với thông số chi tiết • Chọn nguồn phát (Bluetooth, AUX, USB...) • Hiển thị trạng thái pin loa theo thời gian thực Yêu cầu: Loa DSP Son Quan Solutions hỗ trợ kết nối BLE.
Screenshots
Verdict
The clearest difference is in-app purchases: SQA Connect at none against Audio Spectrum Analyzer dB RTA's 2. SQA Connect also leads on update cadence (monthly vs every 5 months). 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
Both are free to download. Audio Spectrum Analyzer dB RTA sells 2 in-app purchases, starting at $1.99 per month. SQA Connect asks for nothing beyond the download.
Audio Spectrum Analyzer dB RTA ships an update every 5 months, SQA Connect monthly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.
| Parameter | Audio Spectrum Analyzer dB RTA | SQA Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (3K ratings) — better | — |
| Positive reviews | 43.6% of reviews | — |
| Number of ratings | 3K — better | — |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15 — better | 15.1 |
| Further details — not scored | ||
| Size | 24 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Marina Polyanskaya | SON QUAN SOLUTIONS LTD. COMPANY |
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
SQA Connect
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Audio Spectrum Analyzer dB RTA
- Premium Access3 Days trial$1.991 Month
- Spectrum Analyzer Pro$7.99
SQA Connect
No in-app purchases
Questions
Is Audio Spectrum Analyzer dB RTA free?
Is SQA Connect free?
Do Audio Spectrum Analyzer dB RTA or SQA Connect have ads?
Which is updated more often, Audio Spectrum Analyzer dB RTA or SQA Connect?
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