# Audio Spectrum Analyzer Pro vs AudioAnalyzerApp

The clearest difference is in-app purchases: AudioAnalyzerApp at none against Audio Spectrum Analyzer Pro's 2. AudioAnalyzerApp also leads on update cadence (every 3 weeks vs every 7 months) and iOS requirement (11.4 vs 13.0). 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. AudioAnalyzerApp asks for nothing beyond the download.

Audio Spectrum Analyzer Pro ships an update every 7 months, AudioAnalyzerApp every 3 weeks. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Analyzer Pro | AudioAnalyzerApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (238 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews)** | — |
| Number of ratings | **238** | — |
| Positive reviews | 57.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 36 MB |
| Requires iOS | 13.0 | **11.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [Kazuma Shiromoto](https://appshunter.io/developer/1329106278) |

## 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


### AudioAnalyzerApp

[App page](https://appshunter.io/ios/app/audioanalyzerapp/id1434780912)

**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 AudioAnalyzerApp free?

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

### Do Audio Spectrum Analyzer Pro or AudioAnalyzerApp have ads?

Neither Audio Spectrum Analyzer Pro nor AudioAnalyzerApp shows ads.

### Which is updated more often, Audio Spectrum Analyzer Pro or AudioAnalyzerApp?

Audio Spectrum Analyzer Pro ships an update every 7 months, and AudioAnalyzerApp every 3 weeks. Most recently, Audio Spectrum Analyzer Pro was updated on October 11, 2026 and AudioAnalyzerApp on September 29, 2026.

---

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