# 水印相机 vs 回形针

The clearest difference is update cadence: 水印相机 at every 6 days against 回形针's fortnightly. 水印相机 also leads on iOS requirement (12.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 水印相机 sells 1 one-off in-app purchase and 回形针 sells 3 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

水印相机 ships an update every 6 days, 回形针 fortnightly. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 水印相机 | 回形针 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 75 MB | 2 MB |
| Requires iOS | **12.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [成都仓墨科技有限公司](https://appshunter.io/developer/1668641241) | [Chengdu Cold Technology Co., Ltd](https://appshunter.io/developer/1873882906) |

## What reviewers say

### 水印相机

[App page](https://appshunter.io/ios/app/id6479632553)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 水印相机永久会员 | $9.99 | one-time |


### 回形针

[App page](https://appshunter.io/ios/app/id6758598656)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一年会员使用权益 打开微信时 | $24.99 | per year |
| 一年会员使用权益 打开勿扰模式时 | $24.99 | per year |
| 一年会员使用权益 打开APP时 | $24.99 | per year |


## Frequently asked questions

### Is 水印相机 free?

水印相机 is free to download, with in-app purchases available.

### Is 回形针 free?

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

### Do 水印相机 or 回形针 have ads?

Both 水印相机 and 回形针 show ads.

### Which is updated more often, 水印相机 or 回形针?

水印相机 ships an update every 6 days, and 回形针 fortnightly. Most recently, 水印相机 was updated on September 10, 2026 and 回形针 on September 12, 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.*