# Decibel vs UnifiedSIP

The clearest difference is in-app purchases: UnifiedSIP at none against Decibel's 5. Decibel's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Decibel | UnifiedSIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/decibel-sound-level-meter/id1624742896/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 18 MB | 120 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sunshine Software Labs](https://appshunter.io/developer/1788219451) | [Push Motion LLC](https://appshunter.io/developer/1468128937) |

## What reviewers say

### 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 |


### UnifiedSIP

[App page](https://appshunter.io/ios/app/unifiedsip/id6755518607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel free?

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

### Is UnifiedSIP free?

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

### Do Decibel or UnifiedSIP have ads?

Neither Decibel nor UnifiedSIP 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.*