# Secure Watermark vs 好客 AI 顧客管理

The clearest difference is ads: Secure Watermark at none against 好客 AI 顧客管理's shown. 好客 AI 顧客管理's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Secure Watermark ships an update every 2 weeks, 好客 AI 顧客管理 every 3 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Secure Watermark | 好客 AI 顧客管理 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/secure-watermark/id6504274596/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 2 MB | 57 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [泽海 黄](https://appshunter.io/developer/1069894245) | [Lineage Technologies Co. Ltd.](https://appshunter.io/developer/1512753252) |

## What reviewers say

### Secure Watermark

[App page](https://appshunter.io/ios/app/secure-watermark/id6504274596)

Easily protect your sensitive documents and digital creations from unauthorized use. Add custom text, image, or handwritten signature watermarks to photos, IDs, and artwork. Offers advanced customization for text and image placement, with ID mode for seamless document protection.

**Highlights:** Rich text watermarks with full customization, Image watermarks with adjustable transparency, Handwritten signature watermarks, ID mode for secure document protection, Export as image or PDF at 300 DPI, Watermark management list

**In-app purchases:** none


### 好客 AI 顧客管理

[App page](https://appshunter.io/ios/app/ai/id6743151589)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Secure Watermark free?

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

### Is 好客 AI 顧客管理 free?

好客 AI 顧客管理 is free to download, with no in-app purchases.

### Do Secure Watermark or 好客 AI 顧客管理 have ads?

好客 AI 顧客管理 shows ads; Secure Watermark does not.

### Which is updated more often, Secure Watermark or 好客 AI 顧客管理?

Secure Watermark ships an update every 2 weeks, and 好客 AI 顧客管理 every 3 weeks. Most recently, Secure Watermark was updated on October 2, 2026 and 好客 AI 顧客管理 on October 11, 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.*