# iAnalyzer vs Spectrum Analyzer

iAnalyzer and Spectrum Analyzer both sit at 4.2 stars, but that hides the real split: 41% of iAnalyzer's written reviews are positive against 5% of Spectrum Analyzer's. iAnalyzer also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). Spectrum Analyzer's advantage is update cadence (fortnightly vs every 5 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. iAnalyzer sells 2 in-app purchases, starting at $4.99 per month and Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.2 for iAnalyzer against 4.2 for Spectrum Analyzer. Both are backed by a comparable volume of ratings — 75 and 197 respectively. Written reviews are what separate them: 41% of iAnalyzer's written reviews are positive against 5% of Spectrum Analyzer's.

iAnalyzer ships an update every 5 months, Spectrum Analyzer fortnightly. Both last shipped on September 24, 2026.

## The numbers

| Metric | iAnalyzer | Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (75 ratings)](https://appshunter.io/ios/app/ianalyzer/id335449113/reviews) | [4.2 (197 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) |
| Number of ratings | 75 | **197** |
| Positive reviews | **40.5% of reviews** | 5.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 3 MB | 132 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [平 陈](https://appshunter.io/developer/315130423) | [Music Breath](https://appshunter.io/developer/1140008995) |

## 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 |


### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895)

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

**Highlights:** Sound level meter, Multichannel harmonic analysis, Adjustable graphics, AI-powered sound source analyzer, Real-time analysis, FFT analysis

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pitch Finder: Audio Visualizer | $4.99 | per 7 days |
| Pitch Finder: Audio Visualizer | $9.99 | per month |
| One Month Sale | $9.99 | per month |
| 1 Week Subscription | $9.99 | per 7 days |
| 1 Year Sub. with discount | $19.99 | per year |
| 1 Month Subscription | $19.99 | per month |
| 3 Month Subscription | $25.99 | per 3 months |
| 1 Year Subscription | $39.99 | per year |
| 2 months subscription | $39.99 | per 2 months |
| No Ads | $9.99 | one-time |
| Additional Settings Controls | $15.99 | one-time |
| Full Pack + No Ads | $19.99 | one-time |
| Get More | $19.99 | one-time |

**What reviewers like**

- ✅ Accurate frequency identification
- ✅ Clear and easy-to-read display
- ✅ Useful noise floor setup feature
- ✅ Works well when ads are removed

**What reviewers complain about**

- 💰 Extremely aggressive monetization strategy
- 📢 Excessive and intrusive ads
- 🔊 Loud ads that ignore device mute settings
- 🚫 Requires subscription/payment to access core features
- 😤 Deceptive purchase practices and accidental charges

**Reported bugs**

- App becomes unusable after iOS 16 update
- Crashes immediately on iPhone 5 with iOS 7
- Cannot exit app on iPhone X without reboot
- App freezes when changing settings or views
- Inaccurate frequency readings

**Requested features**

- Audio file import functionality
- Customizable background colors for chroma key compatibility
- Ability to record audio instead of only analyzing
- Better documentation and help files
- Improved sensitivity for detecting soft sounds


## Frequently asked questions

### Is iAnalyzer free?

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

### Is Spectrum Analyzer free?

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

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

iAnalyzer and Spectrum Analyzer are both rated 4.2 out of 5 on the App Store, from 75 and 197 ratings respectively.

### Do iAnalyzer or Spectrum Analyzer have ads?

Spectrum Analyzer shows ads; iAnalyzer does not.

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

iAnalyzer ships an update every 5 months, and Spectrum Analyzer fortnightly. Most recently, iAnalyzer was updated on September 24, 2026 and Spectrum Analyzer on September 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.*