# Stamp Identifier & Collection vs PDF Ready

The clearest difference is in-app purchases: PDF Ready at none against Stamp Identifier & Collection's 2. Stamp Identifier & Collection's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Stamp Identifier & Collection sells 2 in-app purchases, starting at $4.99 per 7 days. PDF Ready asks for nothing beyond the download.

## The numbers

| Metric | Stamp Identifier & Collection | PDF Ready |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stamp-identifier-and-collection/id6746818631/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Subscription | — |
| Size | 10 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Nikiforov](https://appshunter.io/developer/1814397113) | [Naoki Hotta](https://appshunter.io/developer/1791360765) |

## What reviewers say

### Stamp Identifier & Collection

[App page](https://appshunter.io/ios/app/stamp-identifier-and-collection/id6746818631)

Instantly identify postage stamps from a photo, providing details like origin, value, and rarity. Organize your collection and learn more about philately with helpful guides. Perfect for collectors and the curious.

**Highlights:** Instant stamp recognition via photo, Detailed insights on origin, value, rarity, Personal stamp collection archive, Organize and favorite stamps, Helpful guides on identification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp identifier2 Trial | $4.99 | per 7 days |
| Stamp identifier2 Pro | $4.99 | per 7 days |


### PDF Ready

[App page](https://appshunter.io/ios/app/pdf-ready/id6787268098)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stamp Identifier & Collection free?

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

### Is PDF Ready free?

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

### Do Stamp Identifier & Collection or PDF Ready have ads?

Neither Stamp Identifier & Collection nor PDF Ready 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.*