# Audio / Spectrum Analyzer vs Oscilloscope & Spectrogram

The clearest difference is price: Audio / Spectrum Analyzer at Free against Oscilloscope & Spectrogram's $5.99. Audio / Spectrum Analyzer also leads on ratings volume (1K vs 28) and review sentiment (79% vs 70%). Oscilloscope & Spectrogram's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating and device support there is nothing between them.

Audio / Spectrum Analyzer is free to download; Oscilloscope & Spectrogram costs $5.99 up front. Audio / Spectrum Analyzer sells 1 one-off in-app purchase. Oscilloscope & Spectrogram asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Audio / Spectrum Analyzer against 4.6 for Oscilloscope & Spectrogram. That said, the two scores are not equally well evidenced: Audio / Spectrum Analyzer has 1K ratings behind it against 28, so its average is the more settled of the two. Written reviews are what separate them: 79% of Audio / Spectrum Analyzer's written reviews are positive against 70% of Oscilloscope & Spectrogram's.

Audio / Spectrum Analyzer ships an update every 2 weeks, Oscilloscope & Spectrogram every 4 days. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Audio / Spectrum Analyzer | Oscilloscope & Spectrogram |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.6 (1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews) | [4.6 (28 ratings)](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137/reviews) |
| Number of ratings | **1K** | 28 |
| Positive reviews | **78.6% of reviews** | 70.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#199** |
| Size | 5 MB | 3 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) |

## What reviewers say

### 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


### 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 Audio / Spectrum Analyzer free?

Audio / 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, Audio / Spectrum Analyzer or Oscilloscope & Spectrogram?

Audio / Spectrum Analyzer and Oscilloscope & Spectrogram are both rated 4.6 out of 5 on the App Store, from 1K and 28 ratings respectively.

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

Audio / Spectrum Analyzer shows ads; Oscilloscope & Spectrogram does not.

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

Audio / Spectrum Analyzer ships an update every 2 weeks, and Oscilloscope & Spectrogram every 4 days. Most recently, Audio / Spectrum Analyzer was updated on September 25, 2026 and Oscilloscope & Spectrogram on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*