# Decibel：Sound Meter vs 全能扫描仪

Decibel：Sound Meter and 全能扫描仪 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days and 全能扫描仪 sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decibel：Sound Meter ships an update every 11 days, 全能扫描仪 weekly. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Decibel：Sound Meter | 全能扫描仪 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/decibelsound-meter/id6473146362/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) | [Bitterroot Glen LLC](https://appshunter.io/developer/1795717340) |

## 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 |


### 全能扫描仪

[App page](https://appshunter.io/ios/app/id6738371350)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| 周会员 | $3.99 | one-time |
| 月会员 | $5.99 | one-time |
| 年会员 | $14.99 | one-time |


## Frequently asked questions

### Is Decibel：Sound Meter free?

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

### Is 全能扫描仪 free?

全能扫描仪 is free to download, with in-app purchases available.

### Do Decibel：Sound Meter or 全能扫描仪 have ads?

Both Decibel：Sound Meter and 全能扫描仪 show ads.

### Which is updated more often, Decibel：Sound Meter or 全能扫描仪?

Decibel：Sound Meter ships an update every 11 days, and 全能扫描仪 weekly. Most recently, Decibel：Sound Meter was updated on November 4, 2026 and 全能扫描仪 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.*