Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

SQA Connect

Features
Read full description

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

Audio Spectrum Analyzer dB RTA3 screens
SQA Connect4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Audio Spectrum Analyzer dB RTA versus SQA Connect: the parameters behind the verdict, then further details
ParameterAudio Spectrum Analyzer dB RTASQA Connect
PriceFreeFree
Rating4.5 (3K ratings) — better—
Positive reviews43.6% of reviews—
Number of ratings3K — better—
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15 — better15.1
Further details — not scored
Size24 MB45 MB
Age rating4+4+
DeveloperMarina PolyanskayaSON 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

2 purchases

Audio Spectrum Analyzer dB RTA

Subscriptions1
  • Premium Access3 Days trial$1.991 Month
One-time1
  • Spectrum Analyzer Pro$7.99
None

SQA Connect

No in-app purchases

Questions

Is Audio Spectrum Analyzer dB RTA free?
Audio Spectrum Analyzer dB RTA is free to download, with in-app purchases available.
Is SQA Connect free?
SQA Connect is free to download, with no in-app purchases.
Do Audio Spectrum Analyzer dB RTA or SQA Connect have ads?
Neither Audio Spectrum Analyzer dB RTA nor SQA Connect shows ads.
Which is updated more often, Audio Spectrum Analyzer dB RTA or SQA Connect?
Audio Spectrum Analyzer dB RTA ships an update every 5 months, and SQA Connect monthly. Most recently, Audio Spectrum Analyzer dB RTA was updated on November 6, 2026 and SQA Connect on October 31, 2026.

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