# Stamp 4.1 vs Stamp Value

The clearest difference is in-app purchases: Stamp 4.1 at none against Stamp Value's 2. Stamp Value's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Stamp Value sells 2 in-app purchases, starting at $2.99 per 7 days. Stamp 4.1 asks for nothing beyond the download.

Stamp 4.1 ships an update every 3 weeks, Stamp Value weekly. The most recent releases landed on September 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Stamp 4.1 | Stamp Value |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (5 ratings)](https://appshunter.io/ios/app/stamp-value-ai-identifier/id6756788107/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 24 MB | 129 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Liechtensteinische Post AG](https://appshunter.io/developer/1719959009) | [VIKSVA, MB](https://appshunter.io/developer/1821126705) |

## What reviewers say

### Stamp 4.1

[App page](https://appshunter.io/ios/app/stamp-41/id6445849795)

**In-app purchases:** none


### Stamp Value

[App page](https://appshunter.io/ios/app/stamp-value-ai-identifier/id6756788107)

Instantly identify and value postage stamps with advanced AI. Get accurate appraisals, condition assessments, and detect rare errors from a single photo. Manage your collection and track its value over time.

**Highlights:** AI-powered stamp identification, Instant valuation and price guide, Professional condition assessment and grading, Detection of rare errors and varieties, Two-sided comprehensive analysis, Stamp collection management and portfolio tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weekly | $2.99 | per 7 days |
| Yearly subscription | $34.99 | per year |


## Frequently asked questions

### Is Stamp 4.1 free?

Stamp 4.1 is free to download, with no in-app purchases.

### Is Stamp Value free?

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

### Do Stamp 4.1 or Stamp Value have ads?

Stamp 4.1 shows ads; Stamp Value does not.

### Which is updated more often, Stamp 4.1 or Stamp Value?

Stamp 4.1 ships an update every 3 weeks, and Stamp Value weekly. Most recently, Stamp 4.1 was updated on September 7, 2026 and Stamp Value on September 26, 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.*