# Stamp Value vs Modern GB Stamp Decoder

The clearest difference is ads: Modern GB Stamp Decoder at none against Stamp Value's shown. Modern GB Stamp Decoder also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Stamp Value sells 2 in-app purchases, starting at $4.99 per 7 days and Modern GB Stamp Decoder sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Stamp Value ships an update every 10 days, Modern GB Stamp Decoder every 6 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Stamp Value | Modern GB Stamp Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/stamp-value-stamp-identifier/id6748000169/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 90.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 96 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Nam Nguyen](https://appshunter.io/developer/1823416161) | [Modern GB](https://appshunter.io/developer/1856873692) |

## What reviewers say

### Stamp Value

[App page](https://appshunter.io/ios/app/stamp-value-stamp-identifier/id6748000169)

Effortlessly identify and organize your stamp collection with advanced AI-powered recognition. Discover details like origin, year, and estimated value for each stamp. Manage your collection digitally and compete with other enthusiasts worldwide.

**Highlights:** AI-powered stamp recognition, Detailed stamp information (origin, year, value), Digital collection manager, Community leaderboard and rankings, Stamp identification via camera

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $39.99 | per year |

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Accurate and fast stamp recognition
- 💡 Helpful stamp information and value estimates
- 🎉 Fun and educational features like leaderboards
- 🧠 Great for beginners and experienced collectors

**What reviewers complain about**

- 🐛 Occasional app crashes and purchase issues
- 🤔 Some users reported compatibility problems on certain devices

**Reported bugs**

- Purchase failures and subscription issues
- App crashes on startup for some users

**Requested features**

- Dark mode option
- Advanced collection management tools
- More social features and sharing capabilities


### Modern GB Stamp Decoder

[App page](https://appshunter.io/ios/app/modern-gb-stamp-decoder/id6755879525)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Core Monthly | $0.99 | per month |
| Pro Core Annual | $9.99 | per year |


## Frequently asked questions

### Is Stamp Value free?

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

### Is Modern GB Stamp Decoder free?

Modern GB Stamp Decoder is free to download, with in-app purchases available.

### Do Stamp Value or Modern GB Stamp Decoder have ads?

Stamp Value shows ads; Modern GB Stamp Decoder does not.

### Which is updated more often, Stamp Value or Modern GB Stamp Decoder?

Stamp Value ships an update every 10 days, and Modern GB Stamp Decoder every 6 days. Most recently, Stamp Value was updated on October 14, 2026 and Modern GB Stamp Decoder on October 6, 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.*