# Decibel：Sound Meter vs Anonymisierer

The clearest difference is price: Decibel：Sound Meter at Free against Anonymisierer's $9.99. Decibel：Sound Meter also leads on update cadence (every 11 days vs every 2 months) and iOS requirement (13.0 vs 18.0). Anonymisierer's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Decibel：Sound Meter is free to download; Anonymisierer costs $9.99 up front. Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Anonymisierer asks for nothing beyond the download.

Decibel：Sound Meter ships an update every 11 days, Anonymisierer every 2 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Decibel：Sound Meter | Anonymisierer |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/decibelsound-meter/id6473146362/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 33 MB | 4 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) | [Robert Meyer](https://appshunter.io/developer/1795684962) |

## What reviewers say

### Decibel：Sound Meter

[App page](https://appshunter.io/ios/app/decibelsound-meter/id6473146362)

This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.

**Highlights:** Real-time decibel measurement, High precision, Location data, Decibel camera, Measurement reports, Data sharing, Audio data export

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $3.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Annual membership | $14.99 | per year |


### Anonymisierer

[App page](https://appshunter.io/ios/app/anonymisierer/id6769850811)

Easily remove sensitive information from text, screenshots, photos, and files before sharing. This app processes content locally, ensuring your data remains private. It offers automatic detection and manual editing for precise anonymization.

**Highlights:** Anonymize text and clipboard content, Detect and replace sensitive data, Blur or black out sensitive image areas, Manual selection for image anonymization, Process PDF and text files, Share content via Share Sheet, Create custom anonymization rules

**In-app purchases:** none


## Frequently asked questions

### Is Decibel：Sound Meter free?

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

### Is Anonymisierer free?

Anonymisierer costs $9.99, with no in-app purchases.

### Do Decibel：Sound Meter or Anonymisierer have ads?

Decibel：Sound Meter shows ads; Anonymisierer does not.

### Which is updated more often, Decibel：Sound Meter or Anonymisierer?

Decibel：Sound Meter ships an update every 11 days, and Anonymisierer every 2 months. Most recently, Decibel：Sound Meter was updated on October 30, 2026 and Anonymisierer on October 25, 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.*