# 水印拍照记录照相机 vs Fluorometer

The clearest difference is in-app purchases: Fluorometer at none against 水印拍照记录照相机's 5. 水印拍照记录照相机's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 水印拍照记录照相机 sells 5 in-app purchases, starting at $4.49 per 7 days. Fluorometer asks for nothing beyond the download.

水印拍照记录照相机 ships an update every 3 weeks, Fluorometer every 2 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 水印拍照记录照相机 | Fluorometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1610990073/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 15.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 21 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [芷颖 李](https://appshunter.io/developer/1885594739) | [HANGZHOU ALLSHENG INSTRUMENTS CO.,LTD.](https://appshunter.io/developer/1851092995) |

## What reviewers say

### 水印拍照记录照相机

[App page](https://appshunter.io/ios/app/id1610990073)

Capture photos and GIFs with embedded, tamper-proof watermarks including real-time date, location, and custom work details. Ideal for professionals needing verifiable visual records for various industries.

**Highlights:** Add watermarks to photos and GIFs, Automatic real date and location stamping, Customizable watermark content and layout, Professional templates for various industries, Tamper-proof verification of details

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.49 | per 7 days |
| 周特惠 | $4.49 | per 7 days |
| 月会员 | $7.49 | per month |
| 季度会员 | $15.49 | per 3 months |
| 年会员 | $26.49 | per year |


### Fluorometer

[App page](https://appshunter.io/ios/app/fluorometer/id6754950431)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 水印拍照记录照相机 free?

水印拍照记录照相机 is free to download, with in-app purchases available.

### Is Fluorometer free?

Fluorometer is free to download, with no in-app purchases.

### Do 水印拍照记录照相机 or Fluorometer have ads?

Neither 水印拍照记录照相机 nor Fluorometer shows ads.

### Which is updated more often, 水印拍照记录照相机 or Fluorometer?

水印拍照记录照相机 ships an update every 3 weeks, and Fluorometer every 2 months. Most recently, 水印拍照记录照相机 was updated on October 8, 2026 and Fluorometer on October 5, 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.*