# Decibel vs 我是鼓手

The clearest difference is price: Decibel at Free against 我是鼓手's $0.99. 我是鼓手's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Decibel is free to download; 我是鼓手 costs $0.99 up front. Decibel sells 2 in-app purchases, starting at $3.99 per 7 days. 我是鼓手 asks for nothing beyond the download.

## The numbers

| Metric | Decibel | 我是鼓手 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 16 MB | 51 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浩翔 吕](https://appshunter.io/developer/1723604551) | [wenlin Huang](https://appshunter.io/developer/1108308410) |

## What reviewers say

### Decibel

[App page](https://appshunter.io/ios/app/decibel-pro-noise-detection/id6480333932)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $3.99 | per 7 days |
| Annual membership | $12.99 | per year |


### 我是鼓手

[App page](https://appshunter.io/ios/app/id6747963321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel free?

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

### Is 我是鼓手 free?

我是鼓手 costs $0.99, with no in-app purchases.

### Do Decibel or 我是鼓手 have ads?

Neither Decibel nor 我是鼓手 shows ads.

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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.*