# 海外代购订单管理系统 vs Decibel Meter

The clearest difference is in-app purchases: 海外代购订单管理系统 at none against Decibel Meter's 1. 海外代购订单管理系统 also leads on iOS requirement (9.0 vs 17.0). Decibel Meter's advantage is update cadence (every 5 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Decibel Meter sells 1 one-off in-app purchase. 海外代购订单管理系统 asks for nothing beyond the download.

海外代购订单管理系统 ships an update every 2 months, Decibel Meter every 5 weeks. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 海外代购订单管理系统 | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 9 MB | 3 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cemarose SAS](https://appshunter.io/developer/1223936164) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### 海外代购订单管理系统

[App page](https://appshunter.io/ios/app/id1453635268)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-noisescope/id6760281155)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro永久版 | $1.99 | one-time |


## Frequently asked questions

### Is 海外代购订单管理系统 free?

海外代购订单管理系统 is free to download, with no in-app purchases.

### Is Decibel Meter free?

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

### Do 海外代购订单管理系统 or Decibel Meter have ads?

Neither 海外代购订单管理系统 nor Decibel Meter shows ads.

### Which is updated more often, 海外代购订单管理系统 or Decibel Meter?

海外代购订单管理系统 ships an update every 2 months, and Decibel Meter every 5 weeks. Most recently, 海外代购订单管理系统 was updated on November 6, 2026 and Decibel Meter on November 9, 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.*