# OneStamp vs RayMol

The clearest difference is in-app purchases: RayMol at none against OneStamp's 3. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. OneStamp sells 3 one-off in-app purchases. RayMol asks for nothing beyond the download.

OneStamp ships an update every 9 days, RayMol fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OneStamp | RayMol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/onestamp/id6760986254/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 96.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 217 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [尉卿 褚](https://appshunter.io/developer/1698865439) | [Javier Castellanos](https://appshunter.io/developer/6781513040) |

## What reviewers say

### OneStamp

[App page](https://appshunter.io/ios/app/onestamp/id6760986254)

This app allows you to crop photos into unique stamp-shaped images. It encourages a new perspective by focusing on small details within a larger picture, revealing hidden emotions and stories. Transform everyday scenes into distinctive visual stamps.

**Highlights:** Stamp-shaped photo cropping, Focus on image details, Reframing everyday scenes, Discover hidden emotions, Unique visual perspective

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |
| OneStamp Pro | $3.99 | one-time |
| OneStamp Pro | $9.99 | one-time |


### RayMol

[App page](https://appshunter.io/ios/app/raymol/id6781513038)

Visualize and explore molecular structures with high-quality, real-time graphics on Apple devices. Offers various rendering options, interactive tools, and animation capabilities. Runs entirely on-device with no data collection or ads.

**Highlights:** Molecular structure visualization, Real-time graphics rendering, Interactive exploration tools, Customizable themes, Animation and movie creation, PyMOL scripting interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OneStamp free?

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

### Is RayMol free?

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

### Do OneStamp or RayMol have ads?

Neither OneStamp nor RayMol shows ads.

### Which is updated more often, OneStamp or RayMol?

OneStamp ships an update every 9 days, and RayMol fortnightly. Most recently, OneStamp was updated on October 25, 2026 and RayMol on October 24, 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.*