# Spectrogram Pro (with super vs Audio Spectrum Analyzer dB RTA

The clearest difference is price: Audio Spectrum Analyzer dB RTA at Free against Spectrogram Pro (with super's $3.99. Audio Spectrum Analyzer dB RTA also leads on rating (4.5 vs 3.8) and ratings volume (3K vs 27). Spectrogram Pro (with super's advantage is in-app purchases (none vs 2) and review sentiment (68% vs 44%). On ads and device support there is nothing between them.

Audio Spectrum Analyzer dB RTA is free to download; Spectrogram Pro (with super costs $3.99 up front. Audio Spectrum Analyzer dB RTA sells 2 in-app purchases, starting at $1.99 per month. Spectrogram Pro (with super asks for nothing beyond the download.

Audio Spectrum Analyzer dB RTA holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer dB RTA has 3K ratings behind it against 27, so its average is the more settled of the two. Written reviews complicate that: 68% of Spectrogram Pro (with super's written reviews are positive against 44% of Audio Spectrum Analyzer dB RTA's, so the app with the better star average is not the one people write more warmly about.

Spectrogram Pro (with super ships an update every 2 months, Audio Spectrum Analyzer dB RTA every 5 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Spectrogram Pro (with super | Audio Spectrum Analyzer dB RTA |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.8 (27 ratings)](https://appshunter.io/ios/app/spectrogram-pro-with-super-smooth-60hz-update/id415301721/reviews) | **[4.5 (3K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-db-rta/id1281873790/reviews)** |
| Number of ratings | 27 | **3K** |
| Positive reviews | **67.7% of reviews** | 43.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#200** | — |
| Size | 1 MB | 24 MB |
| Requires iOS | **7.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominik Seibold](https://appshunter.io/developer/354153084) | [Marina Polyanskaya](https://appshunter.io/developer/1519482916) |

## What reviewers say

### Spectrogram Pro (with super

[App page](https://appshunter.io/ios/app/spectrogram-pro-with-super-smooth-60hz-update/id415301721)

**Currently charting:** #200 Top Paid · Music (US App Store)

Analyze sounds in real-time with spectral analysis. Discover hidden patterns in music, identify bird calls, or pinpoint annoying high-frequency noises. Save and share your visual sound analyses.

**Highlights:** Real-time spectral analysis, Adjustable FFT resolution, Logarithmic/linear frequency and amplitude scales, Multiple color schemes, Adjustable sensitivity, Save and share spectrogram images, Bode plot modes with averaging

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Spectrogram Pro (with super free?

Spectrogram Pro (with super costs $3.99, with no in-app purchases.

### Is Audio Spectrum Analyzer dB RTA free?

Audio Spectrum Analyzer dB RTA is free to download, with in-app purchases available.

### Which has better reviews, Spectrogram Pro (with super or Audio Spectrum Analyzer dB RTA?

Audio Spectrum Analyzer dB RTA is rated higher. Spectrogram Pro (with super averages 3.8 out of 5 from 27 ratings, while Audio Spectrum Analyzer dB RTA averages 4.5 from 3K ratings.

### Do Spectrogram Pro (with super or Audio Spectrum Analyzer dB RTA have ads?

Neither Spectrogram Pro (with super nor Audio Spectrum Analyzer dB RTA shows ads.

### Which is updated more often, Spectrogram Pro (with super or Audio Spectrum Analyzer dB RTA?

Spectrogram Pro (with super ships an update every 2 months, and Audio Spectrum Analyzer dB RTA every 5 months. Most recently, Spectrogram Pro (with super was updated on October 29, 2026 and Audio Spectrum Analyzer dB RTA on October 29, 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.*