# SICON.Toolbox vs Decibel

The clearest difference is in-app purchases: SICON.Toolbox at none against Decibel's 5. Decibel's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

SICON.Toolbox ships an update every 2 months, Decibel every 2 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SICON.Toolbox | Decibel |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 13 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GPS Gesellschaft für Produktionssysteme GmbH](https://appshunter.io/developer/1491889296) | [Sunshine Software Labs](https://appshunter.io/developer/1788219451) |

## What reviewers say

### SICON.Toolbox

[App page](https://appshunter.io/ios/app/sicontoolbox/id1570113276)

**Features:** macOS Compatibility

**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 SICON.Toolbox free?

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

### Is Decibel free?

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

### Do SICON.Toolbox or Decibel have ads?

Neither SICON.Toolbox nor Decibel shows ads.

### Which is updated more often, SICON.Toolbox or Decibel?

SICON.Toolbox ships an update every 2 months, and Decibel every 2 weeks. Most recently, SICON.Toolbox was updated on October 18, 2026 and Decibel on October 24, 2026.

---

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