# Plus vs Stamp Identifier

The clearest difference is price: Stamp Identifier at Free against Plus's $1.99. Stamp Identifier also leads on update cadence (every 4 months vs every 34 months). Plus's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

Stamp Identifier is free to download; Plus costs $1.99 up front. Stamp Identifier sells 4 in-app purchases, starting at $4.99 per 7 days. Plus asks for nothing beyond the download.

Plus ships an update every 34 months, Stamp Identifier every 4 months. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Plus | Stamp Identifier |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 4 months** |
| Size | 19 MB | 202 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anders Peter Amsnaes](https://appshunter.io/developer/452949522) | [NATURA AI COMPANY LIMITED](https://appshunter.io/developer/1724353706) |

## What reviewers say

### Plus

[App page](https://appshunter.io/ios/app/plus-level-2/id928963048)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-scan-and-value/id6749858065)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $29.99 | per year |
| Yearly discount. | $39.99 | per year |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Plus free?

Plus costs $1.99, with no in-app purchases.

### Is Stamp Identifier free?

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

### Do Plus or Stamp Identifier have ads?

Neither Plus nor Stamp Identifier shows ads.

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

Plus ships an update every 34 months, and Stamp Identifier every 4 months. Most recently, Plus was updated on September 20, 2026 and Stamp Identifier on September 23, 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.*