# Secure Watermark vs Add Watermark+

The clearest difference is in-app purchases: Secure Watermark at none against Add Watermark+'s 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Add Watermark+ sells 1 one-off in-app purchase. Secure Watermark asks for nothing beyond the download.

Secure Watermark ships an update every 2 weeks, Add Watermark+ every 3 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Secure Watermark | Add Watermark+ |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **17.0** | 17.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [泽海 黄](https://appshunter.io/developer/1069894245) | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) |

## 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


### Add Watermark+

[App page](https://appshunter.io/ios/app/add-watermark-plus/id6657986141)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Watermark Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is Secure Watermark free?

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

### Is Add Watermark+ free?

Add Watermark+ is free to download, with in-app purchases available.

### Do Secure Watermark or Add Watermark+ have ads?

Neither Secure Watermark nor Add Watermark+ shows ads.

### Which is updated more often, Secure Watermark or Add Watermark+?

Secure Watermark ships an update every 2 weeks, and Add Watermark+ every 3 weeks. Most recently, Secure Watermark was updated on June 1, 2026 and Add Watermark+ on September 9, 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.*