# Decibel：Sound Meter vs 短信拦截器

The clearest difference is update cadence: Decibel：Sound Meter at every 11 days against 短信拦截器's every 5 months. Decibel：Sound Meter also leads on device support. On price, in-app purchases 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 and 短信拦截器 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Decibel：Sound Meter ships an update every 11 days, 短信拦截器 every 5 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Decibel：Sound Meter | 短信拦截器 |
| --- | --- | --- |
| 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 | — |
| Update frequency | **Every 11 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 25 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | **iPhone, iPod** | — |
| Age rating | 9+ | 4+ |
| Developer | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) | [中和堂文化传播有限公司](https://appshunter.io/developer/1455830560) |

## 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 |


### 短信拦截器

[App page](https://appshunter.io/ios/app/id6473449084)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版本 | $1.99 | one-time |


## Frequently asked questions

### Is Decibel：Sound Meter free?

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

### Is 短信拦截器 free?

短信拦截器 is free to download, with in-app purchases available.

### Which is updated more often, Decibel：Sound Meter or 短信拦截器?

Decibel：Sound Meter ships an update every 11 days, and 短信拦截器 every 5 months. Most recently, Decibel：Sound Meter was updated on September 17, 2026 and 短信拦截器 on September 16, 2026.

---

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