# Spectrum Analyzer vs Expert Tune

The clearest difference is review sentiment: Expert Tune at 100% against Spectrum Analyzer's 5%. Expert Tune also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 13). Spectrum Analyzer's advantage is ratings volume (198 vs 1). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days. Expert Tune asks for nothing beyond the download.

Expert Tune holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Spectrum Analyzer has 198 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 100% of Expert Tune's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer | Expert Tune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (198 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/expert-tune/id6755043396/reviews)** |
| Number of ratings | **198** | 1 |
| Positive reviews | 5.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Freemium | **Free** |
| Size | 100 MB | 18 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [Expert Electronics Comercio e Fabricacao de Produtos Eletronicos Ltda](https://appshunter.io/developer/1103488615) |

## What reviewers say

### 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


### Expert Tune

[App page](https://appshunter.io/ios/app/expert-tune/id6755043396)

This app allows users to control, adjust, and customize their car audio systems directly from their smartphone. Achieve maximum performance and sound quality with advanced audio settings and equalization.

**Highlights:** Full control of Expert products, Advanced audio adjustments, Intuitive interface, Fast and secure updates, Direct ecosystem integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum Analyzer free?

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

### Is Expert Tune free?

Expert Tune is free to download, with no in-app purchases.

### Which has better reviews, Spectrum Analyzer or Expert Tune?

Expert Tune is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 198 ratings, while Expert Tune averages 5.0 from 1 ratings.

### Do Spectrum Analyzer or Expert Tune have ads?

Spectrum Analyzer shows ads; Expert Tune does not.

### Which is updated more often, Spectrum Analyzer or Expert Tune?

Spectrum Analyzer ships an update fortnightly, and Expert Tune fortnightly. Most recently, Spectrum Analyzer was updated on October 16, 2026 and Expert Tune on October 10, 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.*