# Audio Spectrum Analyzer dB RTA vs SQA Connect

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.

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.

## The numbers

| Metric | Audio Spectrum Analyzer dB RTA | SQA Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (3K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-db-rta/id1281873790/reviews)** | — |
| Number of ratings | **3K** | — |
| Positive reviews | 43.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 45 MB |
| Requires iOS | **15** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marina Polyanskaya](https://appshunter.io/developer/1519482916) | [SON QUAN SOLUTIONS LTD. COMPANY](https://appshunter.io/developer/1896646916) |

## What reviewers say

### Audio Spectrum Analyzer dB RTA

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer-db-rta/id1281873790)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per month |
| Spectrum Analyzer Pro | $7.99 | one-time |

**What reviewers like**

- 🚀 Excellent audio analysis tool
- 👍 Clean and intuitive interface
- 💡 Customizable frequency range
- 🔍 Accurate real-time spectrum visualization

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 🔁 Constant prompts to upgrade to Pro version
- 🔌 High battery consumption
- 📊 Inaccurate frequency tracking in some modes

**Reported bugs**

- Freezing and crashing on certain devices
- Incorrect frequency readings in Octave RTA mode
- Inability to switch between microphone sources

**Requested features**

- External microphone support
- Ability to save and compare measurement results
- More detailed instructions and tutorials
- Vertical orientation option


### SQA Connect

[App page](https://appshunter.io/ios/app/sqa-connect/id6769284889)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*