# Smart Patent vs Stamp Identifier

The clearest difference is in-app purchases: Smart Patent at none against Stamp Identifier's 2. Stamp Identifier's advantage is iOS requirement (13.0 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. Stamp Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. Smart Patent asks for nothing beyond the download.

## The numbers

| Metric | Smart Patent | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/stamp-identifier-scan-value/id6759595363/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 50 MB |
| Requires iOS | 18.1 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jian Zhu](https://appshunter.io/developer/1778287689) | [Artmvstd SIA](https://appshunter.io/developer/1262774776) |

## What reviewers say

### Smart Patent

[App page](https://appshunter.io/ios/app/smart-patent/id6737853200)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-scan-value/id6759595363)

Instantly identify postage stamps using your phone's camera and discover their estimated market value. Access rich historical details and organize your finds into a digital collection. Perfect for collectors, enthusiasts, and those assessing inherited collections.

**Highlights:** Instant camera identification, Estimated market values, Rich historical details, Digital stamp collection, Share discoveries

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Smart Patent free?

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

### Is Stamp Identifier free?

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

### Do Smart Patent or Stamp Identifier have ads?

Neither Smart Patent nor Stamp Identifier shows ads.

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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.*