# Snap Eighteen vs RainMark

The clearest difference is in-app purchases: RainMark at none against Snap Eighteen's 10. RainMark also leads on device support (4 vs 1) and iOS requirement (12 vs 17.6). Snap Eighteen's advantage is rating (5.0 vs 4.8) and update cadence (every 5 days vs every 10 days). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Snap Eighteen sells 10 in-app purchases, starting at $14.99 per month. RainMark asks for nothing beyond the download.

Snap Eighteen holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Snap Eighteen ships an update every 5 days, RainMark every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Snap Eighteen | RainMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/snap-eighteen/id6463832529/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/rainmark/id6751396538/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 69 MB |
| Requires iOS | 17.6 | **12** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Dunn-Carabali LLC](https://appshunter.io/developer/312739826) | [峻宏 刘](https://appshunter.io/developer/1834818077) |

## What reviewers say

### Snap Eighteen

[App page](https://appshunter.io/ios/app/snap-eighteen/id6463832529)

Capture and share event photos instantly with a modern disposable camera experience. Guests contribute to a live, shared album from their phones, preserving real moments without retakes. Print event materials directly from the app.

**Highlights:** Live shared photo albums, Disposable camera style 18 snaps per guest, QR code event invitations, Printable event materials, Real-time photo slideshow, Find my snaps facial recognition, Offline photo saving

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snap Eighteen Pro | $14.99 | per month |
| 18 More Creative Shots | $0.99 | one-time |
| 18 Extra User Shots | $0.99 | one-time |
| 100 Extra User Shot | $2.99 | one-time |
| 200 Extra User Shots | $3.99 | one-time |
| 50 Extra Seats | $9.99 | one-time |
| Snap Eighteen Pro | $14.99 | one-time |
| 100 Extra Seats | $19.99 | one-time |
| 250 Extra Seats | $39.99 | one-time |
| 1000 Extra Seats | $69.99 | 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 Snap Eighteen free?

Snap Eighteen 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, Snap Eighteen or RainMark?

Snap Eighteen is rated higher. Snap Eighteen averages 5.0 out of 5 from 4 ratings, while RainMark averages 4.8 from 4 ratings.

### Do Snap Eighteen or RainMark have ads?

Neither Snap Eighteen nor RainMark shows ads.

### Which is updated more often, Snap Eighteen or RainMark?

Snap Eighteen ships an update every 5 days, and RainMark every 10 days. Most recently, Snap Eighteen was updated on November 4, 2026 and RainMark on November 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.*