# Werder vs Stamp Identifier

The clearest difference is in-app purchases: Werder at none against Stamp Identifier's 3. Werder also leads on update cadence (every 6 weeks vs every 6 months) and iOS requirement (10.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Stamp Identifier sells 3 in-app purchases, starting at $3.99 per 7 days. Werder asks for nothing beyond the download.

Werder ships an update every 6 weeks, Stamp Identifier every 6 months. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Werder | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stamp-identifier-postage-id/id6741527232/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 9 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Loesch](https://appshunter.io/developer/1519042079) | [Kofi Austin](https://appshunter.io/developer/1495016623) |

## What reviewers say

### Werder

[App page](https://appshunter.io/ios/app/werder/id984998665)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-postage-id/id6741527232)

Instantly identify stamps by scanning them with your phone. Discover historical details, get price estimates, and organize your entire stamp collection. Perfect for both new and experienced collectors.

**Highlights:** Scan and identify stamps instantly, Uncover stamp history and origin, Get price estimates for stamps, Organize personal stamp collections, Track valuable stamp finds

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Weekly | $3.99 | per 7 days |
| Unlimited Yearly | $29.99 | per year |
| Black Friday Deal Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is Werder free?

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

### Is Stamp Identifier free?

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

### Do Werder or Stamp Identifier have ads?

Neither Werder nor Stamp Identifier shows ads.

### Which is updated more often, Werder or Stamp Identifier?

Werder ships an update every 6 weeks, and Stamp Identifier every 6 months. Most recently, Werder was updated on September 30, 2026 and Stamp Identifier 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.*