# CMTS综合管理系统 vs 水印相机

The clearest difference is in-app purchases: CMTS综合管理系统 at none against 水印相机's 3. CMTS综合管理系统 also leads on iOS requirement (11.0 vs 15.0). 水印相机's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 水印相机 sells 3 in-app purchases, starting at $2.99 per 7 days. CMTS综合管理系统 asks for nothing beyond the download.

CMTS综合管理系统 ships an update every 2 months, 水印相机 every 4 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CMTS综合管理系统 | 水印相机 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 24 MB | 71 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PBN Innovation (Beijing) Co., Ltd.](https://appshunter.io/developer/1239297539) | [先全 顾](https://appshunter.io/developer/1706065914) |

## What reviewers say

### CMTS综合管理系统

[App page](https://appshunter.io/ios/app/cmts/id1239297540)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水印相机

[App page](https://appshunter.io/ios/app/id6499102489)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $2.99 | per 7 days |
| 月订阅 | $3.99 | per month |
| 终生会员 | $7.99 | one-time |


## Frequently asked questions

### Is CMTS综合管理系统 free?

CMTS综合管理系统 is free to download, with no in-app purchases.

### Is 水印相机 free?

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

### Do CMTS综合管理系统 or 水印相机 have ads?

Neither CMTS综合管理系统 nor 水印相机 shows ads.

### Which is updated more often, CMTS综合管理系统 or 水印相机?

CMTS综合管理系统 ships an update every 2 months, and 水印相机 every 4 days. Most recently, CMTS综合管理系统 was updated on October 10, 2026 and 水印相机 on October 8, 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.*