# Audio Spectrum Analyzer Pro vs Azimut Discovery

The clearest difference is in-app purchases: Azimut Discovery at none against Audio Spectrum Analyzer Pro's 2. Azimut Discovery also leads on iOS requirement (9.0 vs 13.0). Audio Spectrum Analyzer Pro's advantage is rating (4.4 vs 4.0) and ratings volume (239 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year. Azimut Discovery asks for nothing beyond the download.

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 239 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Audio Spectrum Analyzer Pro | Azimut Discovery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (239 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/azimut-discovery/id1389021894/reviews) |
| Number of ratings | **239** | 1 |
| Positive reviews | 57.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 24 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [K-array s.u.r.l.](https://appshunter.io/developer/510319211) |

## What reviewers say

### Audio Spectrum Analyzer Pro

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806)

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

**Highlights:** Octave Band Real Time Analyzer, FFT Plot (Fast Fourier Transform), Sound level meter (dB meter), Noise Rating and Noise Criterion support, Support for external microphones, Pre-calibrated mic profiles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | $19.99 | per year |
| Premium Pack | $29.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 💰 Completely free with no ads
- 🎯 Accurate frequency and spectrum analysis
- 📊 Multiple visualization modes (FFT, spectrograph, bar display)
- 🔧 Professional-grade audio measurement tool

**What reviewers complain about**

- 💸 Aggressive subscription/paywall nags
- 🔄 Frequent iOS compatibility issues after updates
- 📉 Features moved behind paywall in recent updates
- 🐛 App crashes on startup (especially iOS 16/26)
- ⚠️ Misleading free trial that requires payment

**Reported bugs**

- App crashes on iOS 16 and iOS 26 launches
- FFT resolution not working after iOS updates
- Graph display freezes or becomes unresponsive
- Spectrograph mode too slow on newer iPhones
- Frequency alignment issues with dynamic display

**Requested features**

- Audio file upload capability
- White noise/test signal generator
- Microphone calibration file support
- Recording functionality with timestamp
- Multiple frequency cursors for comparison


### Azimut Discovery

[App page](https://appshunter.io/ios/app/azimut-discovery/id1389021894)

Easily find and connect to Azimut speakers on your local network. Access the web interface of each speaker for quick control and management.

**Highlights:** Discover Azimut speakers, Access speaker web interface, Network connectivity, Quick access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Spectrum Analyzer Pro free?

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

### Is Azimut Discovery free?

Azimut Discovery is free to download, with no in-app purchases.

### Which has better reviews, Audio Spectrum Analyzer Pro or Azimut Discovery?

Audio Spectrum Analyzer Pro is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 239 ratings, while Azimut Discovery averages 4.0 from 1 ratings.

### Do Audio Spectrum Analyzer Pro or Azimut Discovery have ads?

Neither Audio Spectrum Analyzer Pro nor Azimut Discovery shows ads.

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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.*