# DocMarkID vs Watermark Secure

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

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

## The numbers

| Metric | DocMarkID | Watermark Secure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 4 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frederique De Sousa](https://appshunter.io/developer/1804194740) | [Ivan Alcaraz Sanchez](https://appshunter.io/developer/1875589637) |

## What reviewers say

### DocMarkID

[App page](https://appshunter.io/ios/app/docmarkid/id6773272329)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $4.99 | one-time |


### Watermark Secure

[App page](https://appshunter.io/ios/app/watermark-secure-id-guard/id6783240286)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DocMarkID free?

DocMarkID is free to download, with in-app purchases available.

### Is Watermark Secure free?

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

### Do DocMarkID or Watermark Secure have ads?

Neither DocMarkID nor Watermark Secure shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*