# Metadata Stamp vs RainMark

The clearest difference is in-app purchases: RainMark at none against Metadata Stamp's 1. RainMark also leads on device support (4 vs 2) and iOS requirement (12 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Metadata Stamp sells 1 one-off in-app purchase. RainMark asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Metadata Stamp against 5.0 for RainMark. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Metadata Stamp ships an update every 2 weeks, RainMark every 10 days. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Metadata Stamp | RainMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/metadata-stamp/id6474674942/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/rainmark/id6751396538/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 69 MB |
| Requires iOS | 17.0 | **12** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [山 黄](https://appshunter.io/developer/1679305097) | [峻宏 刘](https://appshunter.io/developer/1834818077) |

## What reviewers say

### Metadata Stamp

[App page](https://appshunter.io/ios/app/metadata-stamp/id6474674942)

Easily add a timestamp and camera metadata to your photos. Customize the footer with details like camera model, focal length, and ISO. An in-app purchase removes the app's branding from your final images.

**Highlights:** Add photo timestamp, Include camera metadata, Customize footer details, Remove app branding via IAP, Supports iPhone and iPad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $1.99 | one-time |


### RainMark

[App page](https://appshunter.io/ios/app/rainmark/id6751396538)

Enhance your photos with professional watermark borders that automatically display shooting parameters. Choose from a variety of design templates and customize your signature and layout for a unique look. Export your creations in original quality with fast batch processing.

**Highlights:** Smart EXIF parameter reading, Professional design templates, Deep watermark customization, Signature support (text/image), Ultra-fast batch processing, Original quality export, Real-time preview

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Metadata Stamp free?

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

### Is RainMark free?

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

### Which has better reviews, Metadata Stamp or RainMark?

Metadata Stamp and RainMark are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Metadata Stamp or RainMark have ads?

Neither Metadata Stamp nor RainMark shows ads.

### Which is updated more often, Metadata Stamp or RainMark?

Metadata Stamp ships an update every 2 weeks, and RainMark every 10 days. Most recently, Metadata Stamp was updated on September 19, 2026 and RainMark on September 21, 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.*