# Audio Spectrum Analyzer Pro vs FLOW Mix

The clearest difference is rating: Audio Spectrum Analyzer Pro at 4.4 against FLOW Mix's 3.8. Audio Spectrum Analyzer Pro also leads on review sentiment (57% vs 39%) and ratings volume (238 vs 25). FLOW Mix's advantage is in-app purchases (none vs 2). On price, update cadence, 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. FLOW Mix asks for nothing beyond the download.

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 238 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 57% of Audio Spectrum Analyzer Pro's written reviews are positive against 39% of FLOW Mix's.

Audio Spectrum Analyzer Pro ships an update every 7 months, FLOW Mix every 3 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Analyzer Pro | FLOW Mix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (238 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews)** | [3.8 (25 ratings)](https://appshunter.io/ios/app/flow-mix/id1473097916/reviews) |
| Number of ratings | **238** | 25 |
| Positive reviews | **57.4% of reviews** | 39.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 12 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [Empower Tribe Innovations DE GmbH](https://appshunter.io/developer/1447618711) |

## 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


### FLOW Mix

[App page](https://appshunter.io/ios/app/flow-mix/id1473097916)

This app provides wireless remote control for the Behringer FLOW 8 Digital Mixer via Bluetooth. It allows musicians, producers, and engineers to adjust all mixer parameters, including levels, EQ, compression, and effects, from their mobile devices. The intuitive interface is designed for easy operation on both tablets and smartphones.

**Highlights:** Wireless remote control via Bluetooth BLE, Control all mixer parameters (levels, EQ, compression, effects), Snapshot memory management, Customizable channel icons and names, Assisted setup for beginners, Mixer and Stage views, Input routing customization

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

**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 FLOW Mix free?

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

### Which has better reviews, Audio Spectrum Analyzer Pro or FLOW Mix?

Audio Spectrum Analyzer Pro is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 238 ratings, while FLOW Mix averages 3.8 from 25 ratings.

### Do Audio Spectrum Analyzer Pro or FLOW Mix have ads?

Neither Audio Spectrum Analyzer Pro nor FLOW Mix shows ads.

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

Audio Spectrum Analyzer Pro ships an update every 7 months, and FLOW Mix every 3 months. Most recently, Audio Spectrum Analyzer Pro was updated on October 15, 2026 and FLOW Mix on October 13, 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.*