# Audio Spectrum Analyzer Pro vs Ui MIDI mixer

The clearest difference is rating: Audio Spectrum Analyzer Pro at 4.4 against Ui MIDI mixer's 3.6. Audio Spectrum Analyzer Pro also leads on ratings volume (239 vs 10) and review sentiment (57% vs 49%). Ui MIDI mixer's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads, in-app purchases and monetization model 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 and Ui MIDI mixer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 3.6. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 239 ratings behind it against 10, 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 49% of Ui MIDI mixer's.

Audio Spectrum Analyzer Pro ships an update every 7 months, Ui MIDI mixer every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Analyzer Pro | Ui MIDI mixer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (239 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews)** | [3.6 (10 ratings)](https://appshunter.io/ios/app/ui-midi-mixer/id1485225676/reviews) |
| Number of ratings | **239** | 10 |
| Positive reviews | **57.4% of reviews** | 48.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [Pavel Beseda](https://appshunter.io/developer/1485225675) |

## 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


### Ui MIDI mixer

[App page](https://appshunter.io/ios/app/ui-midi-mixer/id1485225676)

Control your audio mixer's virtual faders, effects, and parameters remotely using your hardware MIDI controller. Assign controls with a built-in "learn" function for seamless integration without touching the mixer's display.

**Highlights:** Assign virtual faders via MIDI learn, Control MICS, LINE, SUBS, DRUMS, GUITAR volume, Remotely enable/disable FX effects, MIDI control of GAINS and EQ/DYN, Save and load settings/presets, Control AUX BUSes via MIDI, Support for motorized faders

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to full version | $34.99 | one-time |


## Frequently asked questions

### Is Audio Spectrum Analyzer Pro free?

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

### Is Ui MIDI mixer free?

Ui MIDI mixer is free to download, with in-app purchases available.

### Which has better reviews, Audio Spectrum Analyzer Pro or Ui MIDI mixer?

Audio Spectrum Analyzer Pro is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 239 ratings, while Ui MIDI mixer averages 3.6 from 10 ratings.

### Do Audio Spectrum Analyzer Pro or Ui MIDI mixer have ads?

Neither Audio Spectrum Analyzer Pro nor Ui MIDI mixer shows ads.

### Which is updated more often, Audio Spectrum Analyzer Pro or Ui MIDI mixer?

Audio Spectrum Analyzer Pro ships an update every 7 months, and Ui MIDI mixer every 3 weeks. Most recently, Audio Spectrum Analyzer Pro was updated on November 6, 2026 and Ui MIDI mixer on November 3, 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.*