# 幻灯片制作 vs 水印相机

The clearest difference is review sentiment: 水印相机 at 75% against 幻灯片制作's 11%. 幻灯片制作's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 幻灯片制作 sells 2 in-app purchases, starting at $45.99 per year and 水印相机 sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

幻灯片制作 ships an update every 3 weeks, 水印相机 every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 幻灯片制作 | 水印相机 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/id6744862565/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 11.1% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 23 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [富 刘](https://appshunter.io/developer/1499038957) | [小婷 黄](https://appshunter.io/developer/1809539165) |

## What reviewers say

### 幻灯片制作

[App page](https://appshunter.io/ios/app/ppt/id1511915410)

Create, present, edit, and share presentations on your mobile device. This lightweight tool offers abundant templates and materials for office needs, with a simple interface and efficient document management.

**Highlights:** Create, present, edit, share presentations, Abundant PPT templates and materials, Simple and easy-to-learn interface, Cross-platform document sharing, Efficient document management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自动续期订阅1年 | $45.99 | per year |
| PPT制作一年 | $59.99 | one-time |


### 水印相机

[App page](https://appshunter.io/ios/app/id6744862565)

This app helps workers add location and time stamps to photos for official records. It offers various templates for different job types and allows customization of watermark content. Ideal for field work, inspections, and attendance tracking.

**Highlights:** Automatic time and location stamping, Extensive watermark templates for work, Customizable watermark content (address, time, weather), Supports various industries and job roles, Easy photo stamping for attendance and records

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 限时特惠 | $4.99 | per 7 days |
| 周会员 | $4.99 | per 7 days |


## Frequently asked questions

### Is 幻灯片制作 free?

幻灯片制作 is free to download, with in-app purchases available.

### Is 水印相机 free?

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

### Do 幻灯片制作 or 水印相机 have ads?

Neither 幻灯片制作 nor 水印相机 shows ads.

### Which is updated more often, 幻灯片制作 or 水印相机?

幻灯片制作 ships an update every 3 weeks, and 水印相机 every 11 days. Most recently, 幻灯片制作 was updated on October 24, 2026 and 水印相机 on October 25, 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.*