# Oscilyzer vs Decibel

Oscilyzer and Decibel both sit at 4.9 stars, but that hides the real split: 75% of Oscilyzer's written reviews are positive against 0% of Decibel's. Oscilyzer also leads on in-app purchases (none vs 5) and iOS requirement (13.2 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Decibel sells 5 in-app purchases, starting at $9.99 per year. Oscilyzer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Oscilyzer against 5.0 for Decibel. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews are what separate them: 75% of Oscilyzer's written reviews are positive against 0% of Decibel's.

## The numbers

| Metric | Oscilyzer | Decibel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (10 ratings)](https://appshunter.io/ios/app/oscilyzer/id1063155960/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/decibel-sound-level-meter/id1624742896/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 18 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Robl](https://appshunter.io/developer/1016181321) | [Sunshine Software Labs](https://appshunter.io/developer/1788219451) |

## What reviewers say

### Oscilyzer

[App page](https://appshunter.io/ios/app/oscilyzer/id1063155960)

Analyze and generate audio signals with this app, featuring an oscilloscope for real-time waveform visualization and a spectrum analyzer for frequency analysis. It also includes a synthesizer for creating AM/FM modulated audio.

**Highlights:** Real-time oscilloscope with triggering, Spectrum analyzer with Metal acceleration, AM/FM synthesizer with waveform generation, Automatic and manual measurements, Adjustable display and signal parameters, Multiple memory locations for synthesizer settings

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

**In-app purchases:** none


### Decibel

[App page](https://appshunter.io/ios/app/decibel-sound-level-meter/id1624742896)

This app provides precise noise measurement with a real-time decibel gauge and a frequency analyzer for detailed acoustic analysis. It tracks minimum, average, and maximum levels, offering historical graphs for sound fluctuations. Ideal for professionals and enthusiasts needing accurate sound monitoring.

**Highlights:** Real-time decibel gauge, Frequency analyzer (Hz), Min/Avg/Max decibel values, Historical decibel graph, Acoustic analysis tool, Environmental noise monitoring

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium Annual Offer | $9.99 | per year |
| 3 Days Free Trial Weekly VIP | $9.99 | per 7 days |
| Get Premium Monthly | $19.99 | per month |
| 7 Day Free Yearly VIP | $29.99 | per year |
| Get Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Oscilyzer free?

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

### Is Decibel free?

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

### Which has better reviews, Oscilyzer or Decibel?

Decibel is rated higher. Oscilyzer averages 4.9 out of 5 from 10 ratings, while Decibel averages 5.0 from 5 ratings.

### Do Oscilyzer or Decibel have ads?

Neither Oscilyzer nor Decibel shows ads.

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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.*