# EON Connect vs Audio Spectrum Analyzer Pro

The clearest difference is review sentiment: Audio Spectrum Analyzer Pro at 57% against EON Connect's 10%. Audio Spectrum Analyzer Pro also leads on rating (4.4 vs 2.4) and update cadence (every 7 months vs every 24 months). EON Connect's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 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. EON Connect asks for nothing beyond the download.

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 2.4. Both are backed by a comparable volume of ratings — 57 and 239 respectively. Written reviews point the same way: 10% of EON Connect's written reviews are positive against 57% of Audio Spectrum Analyzer Pro's.

EON Connect ships an update every 24 months, Audio Spectrum Analyzer Pro every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | EON Connect | Audio Spectrum Analyzer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (57 ratings)](https://appshunter.io/ios/app/eon-connect/id986872369/reviews) | **[4.4 (239 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews)** |
| Number of ratings | 57 | **239** |
| Positive reviews | 10.4% of reviews | **57.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 39 MB | 40 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harman Professional, Inc.](https://appshunter.io/developer/410104207) | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) |

## What reviewers say

### EON Connect

[App page](https://appshunter.io/ios/app/eon-connect/id986872369)

Control up to four JBL EON 600-series speakers wirelessly via Bluetooth. Optimize speaker performance with advanced DSP parameters, including parametric EQs and shelf filters. Set speaker delay, manage output mixing, and create/recall presets for quick adjustments. Firmware updates are also managed through the app.

**Highlights:** Wireless Bluetooth control, DSP parameter access, Parametric EQs and shelf filters, Speaker delay settings, Output mixing control, Preset creation and recall, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Good app for controlling speaker
- 👍 Allows custom EQ settings
- 👍 Useful for sound techs
- 👍 Speaker itself sounds fine

**What reviewers complain about**

- 🐛 Connection issues are rampant
- 🐛 App frequently disconnects
- 🐛 Bluetooth connectivity unreliable
- 🐛 App crashes frequently
- 🐛 Updates cause more problems

**Reported bugs**

- Bluetooth connection fails
- App disconnects frequently
- App crashes during scan or startup
- Speaker firmware update fails
- EQ settings (bass/treble shelves) not working

**Requested features**

- Update app for newer iOS versions
- Add music streaming functionality
- Improve Bluetooth connectivity and stability
- Add a dark mode option
- Provide a help page detailing factory reset procedure


### 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


## Frequently asked questions

### Is EON Connect free?

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

### Is Audio Spectrum Analyzer Pro free?

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

### Which has better reviews, EON Connect or Audio Spectrum Analyzer Pro?

Audio Spectrum Analyzer Pro is rated higher. EON Connect averages 2.4 out of 5 from 57 ratings, while Audio Spectrum Analyzer Pro averages 4.4 from 239 ratings.

### Do EON Connect or Audio Spectrum Analyzer Pro have ads?

Neither EON Connect nor Audio Spectrum Analyzer Pro shows ads.

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

EON Connect ships an update every 24 months, and Audio Spectrum Analyzer Pro every 7 months. Most recently, EON Connect was updated on October 24, 2026 and Audio Spectrum Analyzer Pro on October 24, 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.*