# Audio Spectrum Analyzer Pro vs BassBox Reflex Pro

The clearest difference is price: Audio Spectrum Analyzer Pro at Free against BassBox Reflex Pro's $3.99. Audio Spectrum Analyzer Pro also leads on rating (4.4 vs 1.8) and review sentiment (57% vs 17%). BassBox Reflex Pro's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Audio Spectrum Analyzer Pro is free to download; BassBox Reflex Pro costs $3.99 up front. Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year. BassBox Reflex Pro asks for nothing beyond the download.

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 1.8. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 239 ratings behind it against 5, 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 17% of BassBox Reflex Pro's.

Audio Spectrum Analyzer Pro ships an update every 7 months, BassBox Reflex Pro every 8 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Analyzer Pro | BassBox Reflex Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.4 (239 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews)** | [1.8 (5 ratings)](https://appshunter.io/ios/app/bassbox-reflex-pro/id1223149285/reviews) |
| Number of ratings | **239** | 5 |
| Positive reviews | **57.4% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 40 MB | 20 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [Pasquale Puglisi](https://appshunter.io/developer/1008101972) |

## 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


### BassBox Reflex Pro

[App page](https://appshunter.io/ios/app/bassbox-reflex-pro/id1223149285)

This app helps users design and build subwoofer enclosures for optimal bass reflex performance. It offers various enclosure types, detailed calculations for frequency response and SPL, and tools for speaker resistance and signal generation.

**Highlights:** Bass reflex enclosure calculations, Multiple enclosure types (BB4, QB3, C4, etc.), Frequency response and SPL graphing, Speaker resistance calculation, Signal generator tool, Box panel measurement details, Project saving and sharing

**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 BassBox Reflex Pro free?

BassBox Reflex Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Audio Spectrum Analyzer Pro or BassBox Reflex Pro?

Audio Spectrum Analyzer Pro is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 239 ratings, while BassBox Reflex Pro averages 1.8 from 5 ratings.

### Do Audio Spectrum Analyzer Pro or BassBox Reflex Pro have ads?

Neither Audio Spectrum Analyzer Pro nor BassBox Reflex Pro shows ads.

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

Audio Spectrum Analyzer Pro ships an update every 7 months, and BassBox Reflex Pro every 8 months. Most recently, Audio Spectrum Analyzer Pro was updated on November 6, 2026 and BassBox Reflex Pro on November 2, 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.*