# Spectrum Analyzer vs Spek Spectrogram analyzer

The clearest difference is rating: Spek Spectrogram analyzer at 5.0 against Spectrum Analyzer's 4.2. Spek Spectrogram analyzer also leads on in-app purchases (none vs 13) and ads (none vs shown). Spectrum Analyzer's advantage is ratings volume (197 vs 1) and iOS requirement (16.0 vs 18.2). On price, update cadence and device support there is nothing between them.

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

Spek Spectrogram analyzer holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Spectrum Analyzer has 197 ratings behind it against 1, so its average is the more settled of the two.

Spectrum Analyzer ships an update fortnightly, Spek Spectrogram analyzer every 10 days. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer | Spek Spectrogram analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (197 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spek-spectrogram-analyzer/id6778501151/reviews)** |
| Number of ratings | **197** | 1 |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Freemium | **Free** |
| Size | 132 MB | 45 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [Pratik Zinzala](https://appshunter.io/developer/1866618369) |

## 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


### Spek Spectrogram analyzer

[App page](https://appshunter.io/ios/app/spek-spectrogram-analyzer/id6778501151)

Visualize audio frequencies with detailed spectrograms. Inspect audio quality, identify compression artifacts, and analyze sound changes over time. Process audio locally for enhanced privacy and security.

**Highlights:** Detailed spectrogram visualization, Frequency and artifact analysis, Audio quality evaluation, Real-time microphone input, Integrated audio player, Customizable analysis settings, Pinch-to-zoom navigation

**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 Spek Spectrogram analyzer free?

Spek Spectrogram analyzer is free to download, with no in-app purchases.

### Which has better reviews, Spectrum Analyzer or Spek Spectrogram analyzer?

Spek Spectrogram analyzer is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while Spek Spectrogram analyzer averages 5.0 from 1 ratings.

### Do Spectrum Analyzer or Spek Spectrogram analyzer have ads?

Spectrum Analyzer shows ads; Spek Spectrogram analyzer does not.

### Which is updated more often, Spectrum Analyzer or Spek Spectrogram analyzer?

Spectrum Analyzer ships an update fortnightly, and Spek Spectrogram analyzer every 10 days. Most recently, Spectrum Analyzer was updated on October 5, 2026 and Spek Spectrogram analyzer on September 29, 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.*