# Spectrum Analyzer vs Oscilloscope & Spectrogram

The clearest difference is review sentiment: Oscilloscope & Spectrogram at 70% against Spectrum Analyzer's 5%. Oscilloscope & Spectrogram also leads on in-app purchases (none vs 13) and ads (none vs shown). Spectrum Analyzer's advantage is price (Free vs $5.99) and ratings volume (197 vs 28). On device support there is nothing between them.

Spectrum Analyzer is free to download; Oscilloscope & Spectrogram costs $5.99 up front. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days. Oscilloscope & Spectrogram asks for nothing beyond the download.

Oscilloscope & Spectrogram holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Spectrum Analyzer has 197 ratings behind it against 28, 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 70% of Oscilloscope & Spectrogram's.

Spectrum Analyzer ships an update fortnightly, Oscilloscope & Spectrogram every 4 days. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer | Oscilloscope & Spectrogram |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.2 (197 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[4.6 (28 ratings)](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137/reviews)** |
| Number of ratings | **197** | 28 |
| Positive reviews | 5.0% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#199** |
| Size | 132 MB | 3 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) |

## 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


### Oscilloscope & Spectrogram

[App page](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137)

**Currently charting:** #199 Top Paid · Music (US App Store)

Analyze audio in real-time with detailed oscilloscope and spectrogram views. Pause, scroll, and zoom to precisely identify frequencies, notes, and sound events. Offers advanced triggering and a unique Bark-frequency scale for detailed analysis.

**Highlights:** Real-time oscilloscope and spectrogram, Pause and scroll audio history, Pinch-to-zoom functionality, Frequency and MIDI note identification, Stereo and mono views, Trigger with lookahead

**Features:** 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 Oscilloscope & Spectrogram free?

Oscilloscope & Spectrogram costs $5.99, with no in-app purchases.

### Which has better reviews, Spectrum Analyzer or Oscilloscope & Spectrogram?

Oscilloscope & Spectrogram is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while Oscilloscope & Spectrogram averages 4.6 from 28 ratings.

### Do Spectrum Analyzer or Oscilloscope & Spectrogram have ads?

Spectrum Analyzer shows ads; Oscilloscope & Spectrogram does not.

### Which is updated more often, Spectrum Analyzer or Oscilloscope & Spectrogram?

Spectrum Analyzer ships an update fortnightly, and Oscilloscope & Spectrogram every 4 days. Most recently, Spectrum Analyzer was updated on September 24, 2026 and Oscilloscope & Spectrogram on September 17, 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.*