# Stamp Identifier vs Acro Video Library

The clearest difference is in-app purchases: Acro Video Library at none against Stamp Identifier's 2. Stamp Identifier's advantage is iOS requirement (13.0 vs 15.1). 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. Acro Video Library asks for nothing beyond the download.

## The numbers

| Metric | Stamp Identifier | Acro Video Library |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Artmvstd SIA](https://appshunter.io/developer/1262774776) | [Anatoliy Zaslavskiy](https://appshunter.io/developer/1763405215) |

## What reviewers say

### 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 |


### Acro Video Library

[App page](https://appshunter.io/ios/app/acro-video-library/id6762523595)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stamp Identifier free?

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

### Is Acro Video Library free?

Acro Video Library is free to download, with no in-app purchases.

### Do Stamp Identifier or Acro Video Library have ads?

Neither Stamp Identifier nor Acro Video Library 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.*