# Stamp Value Stamp Identifier + vs Deep Stamp

The clearest difference is in-app purchases: Deep Stamp at none against Stamp Value Stamp Identifier +'s 2. Deep Stamp also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stamp Value Stamp Identifier + sells 2 in-app purchases, starting at $4.99 per 7 days. Deep Stamp asks for nothing beyond the download.

Stamp Value Stamp Identifier + ships an update fortnightly, Deep Stamp every 3 weeks. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Stamp Value Stamp Identifier + | Deep Stamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stamp-value-stamp-identifier-plus/id6761339087/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 30 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Valerian Kokhreidze](https://appshunter.io/developer/1653486024) | [Mario Schlegel](https://appshunter.io/developer/1570045196) |

## What reviewers say

### Stamp Value Stamp Identifier +

[App page](https://appshunter.io/ios/app/stamp-value-stamp-identifier-plus/id6761339087)

Instantly identify stamps using AI by taking a photo. Discover catalog details, market value, rarity, and authenticity. Get expert advice on care and preservation for your collection.

**Highlights:** AI-powered stamp identification, Market valuation estimates, Authenticity assessment, AI stamp expert chat, Care and preservation advice, Collection saving and organization, Multi-language support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (weekly) | $4.99 | per 7 days |
| Pro (annual) | $34.99 | per year |


### Deep Stamp

[App page](https://appshunter.io/ios/app/deep-stamp/id6790727820)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stamp Value Stamp Identifier + free?

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

### Is Deep Stamp free?

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

### Do Stamp Value Stamp Identifier + or Deep Stamp have ads?

Neither Stamp Value Stamp Identifier + nor Deep Stamp shows ads.

### Which is updated more often, Stamp Value Stamp Identifier + or Deep Stamp?

Stamp Value Stamp Identifier + ships an update fortnightly, and Deep Stamp every 3 weeks. Most recently, Stamp Value Stamp Identifier + was updated on September 20, 2026 and Deep Stamp on September 19, 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.*