# Decibel：Sound Meter vs 聚能豹

The clearest difference is in-app purchases: 聚能豹 at none against Decibel：Sound Meter's 3. 聚能豹 also leads on ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days. 聚能豹 asks for nothing beyond the download.

Decibel：Sound Meter ships an update every 11 days, 聚能豹 every 4 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Decibel：Sound Meter | 聚能豹 |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 67 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) | [Shenzhen Green Light New Energy Co., Ltd](https://appshunter.io/developer/1839888586) |

## 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 |


### 聚能豹

[App page](https://appshunter.io/ios/app/id6776574439)

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

**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 聚能豹 free?

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

### Do Decibel：Sound Meter or 聚能豹 have ads?

Decibel：Sound Meter shows ads; 聚能豹 does not.

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

Decibel：Sound Meter ships an update every 11 days, and 聚能豹 every 4 days. Most recently, Decibel：Sound Meter was updated on October 30, 2026 and 聚能豹 on October 24, 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.*