# iAnalyzer vs Audio / Spectrum Analyzer

The clearest difference is review sentiment: Audio / Spectrum Analyzer at 79% against iAnalyzer's 41%. Audio / Spectrum Analyzer also leads on update cadence (every 2 weeks vs every 5 months) and rating (4.6 vs 4.2). iAnalyzer's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. iAnalyzer sells 2 in-app purchases, starting at $4.99 per month and Audio / Spectrum Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Audio / Spectrum Analyzer holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Audio / Spectrum Analyzer has 1K ratings behind it against 75, so its average is the more settled of the two. Written reviews point the same way: 41% of iAnalyzer's written reviews are positive against 79% of Audio / Spectrum Analyzer's.

iAnalyzer ships an update every 5 months, Audio / Spectrum Analyzer every 2 weeks. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | iAnalyzer | Audio / Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (75 ratings)](https://appshunter.io/ios/app/ianalyzer/id335449113/reviews) | **[4.6 (1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews)** |
| Number of ratings | 75 | **1K** |
| Positive reviews | 40.5% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [平 陈](https://appshunter.io/developer/315130423) | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) |

## What reviewers say

### iAnalyzer

[App page](https://appshunter.io/ios/app/ianalyzer/id335449113)

This professional audio analysis software uses FFT to examine sound signals on iOS devices. It offers real-time spectrum analysis, precise peak frequency computation, and a unique instrument tuner function. Ideal for musicians and sound engineers seeking detailed audio insights.

**Highlights:** Real-time FFT spectrum analysis, Octave and 1/3 Octave display, High precision peak frequency computation, Instrument tuner function, Adjustable playback speed, VGA output support, Waveform display

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iAnalyzer Pro (1 Month) | $4.99 | per month |
| iAnalyzer Pro (1 Year) | $29.99 | per year |


### Audio / Spectrum Analyzer

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574)

This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.

**Highlights:** Simultaneous waveform and spectrum display, Configurable display layouts, Selectable FFT size and averaging, Frequency weighting options (Flat, dBA, dBC), Octave band analysis, Audio signal and noise generation, Peak hold and pitch meter

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Remove ads, High-Res analysis) | $11.49 | one-time |

**What reviewers like**

- 👍 Customizable features
- ⚙️ Accurate measurements
- 🚀 Helpful for troubleshooting
- 💡 Useful for ghost hunting

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 High battery and CPU usage
- 🚫 Inappropriate ads/content
- 🔒 Security concerns with payment info

**Reported bugs**

- Stuck on latest measurement
- White noise instead of expected functionality
- Disconnects AirPods

**Requested features**

- Sampling rate adjustment
- Wave shape tracking
- Audio file analysis
- Octave analysis


## Frequently asked questions

### Is iAnalyzer free?

iAnalyzer is free to download, with in-app purchases available.

### Is Audio / Spectrum Analyzer free?

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

### Which has better reviews, iAnalyzer or Audio / Spectrum Analyzer?

Audio / Spectrum Analyzer is rated higher. iAnalyzer averages 4.2 out of 5 from 75 ratings, while Audio / Spectrum Analyzer averages 4.6 from 1K ratings.

### Do iAnalyzer or Audio / Spectrum Analyzer have ads?

Audio / Spectrum Analyzer shows ads; iAnalyzer does not.

### Which is updated more often, iAnalyzer or Audio / Spectrum Analyzer?

iAnalyzer ships an update every 5 months, and Audio / Spectrum Analyzer every 2 weeks. Most recently, iAnalyzer was updated on September 24, 2026 and Audio / Spectrum Analyzer on September 25, 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.*