# 调音器Cat vs 小提琴调音器（含专业节拍器）

调音器Cat and 小提琴调音器（含专业节拍器） are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. 调音器Cat sells 4 one-off in-app purchases and 小提琴调音器（含专业节拍器） sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 调音器Cat | 小提琴调音器（含专业节拍器） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 33 MB | 27 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Net Power Technology Co., Ltd](https://appshunter.io/developer/1334612744) | [传华 杨](https://appshunter.io/developer/1585606578) |

## What reviewers say

### 调音器Cat

[App page](https://appshunter.io/ios/app/cat/id6759902960)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | one-time |
| 年度会员 | $3.99 | one-time |
| 两年会员 | $5.99 | one-time |
| 永久会员 | $5.99 | one-time |


### 小提琴调音器（含专业节拍器）

[App page](https://appshunter.io/ios/app/id6761701166)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买小提琴调音器 | $2.99 | one-time |


## Frequently asked questions

### Is 调音器Cat free?

调音器Cat is free to download, with in-app purchases available.

### Is 小提琴调音器（含专业节拍器） free?

小提琴调音器（含专业节拍器） is free to download, with in-app purchases available.

### Do 调音器Cat or 小提琴调音器（含专业节拍器） have ads?

Neither 调音器Cat nor 小提琴调音器（含专业节拍器） shows ads.

---

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