# Geopin vs Stamp Identifier

The clearest difference is in-app purchases: Stamp Identifier at none against Geopin's 4. Stamp Identifier also leads on ads (none vs shown). Geopin's advantage is update cadence (fortnightly vs every 4 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Geopin sells 4 in-app purchases, starting at $1.99 per month. Stamp Identifier asks for nothing beyond the download.

Geopin ships an update fortnightly, Stamp Identifier every 4 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Geopin | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (27 ratings)](https://appshunter.io/ios/app/stamp-identifier/id6748842645/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | — | Free |
| Size | 93 MB | 32 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mykhailo Mozhaiskyi](https://appshunter.io/developer/1590586664) | [Kawaii](https://appshunter.io/developer/1696001381) |

## What reviewers say

### Geopin

[App page](https://appshunter.io/ios/app/geopin/id6497066116)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $7.99 | per year |
| Lifetime Promo | $12.99 | one-time |
| Lifetime | $24.99 | one-time |


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier/id6748842645)

Instantly identify any stamp with AI-powered precision by simply taking a photo. Get detailed philatelic analysis, market values, and condition grading in seconds. Organize your collection and explore stamps from collectors worldwide.

**Highlights:** AI-powered stamp identification, Detailed stamp analysis, Professional condition grading, Accurate market valuations, Cross-reference catalog listings, Build and organize digital collection, Community gallery for discovery

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

**In-app purchases:** none


## Frequently asked questions

### Is Geopin free?

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

### Is Stamp Identifier free?

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

### Do Geopin or Stamp Identifier have ads?

Geopin shows ads; Stamp Identifier does not.

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

Geopin ships an update fortnightly, and Stamp Identifier every 4 months. Most recently, Geopin was updated on October 5, 2026 and Stamp Identifier on October 24, 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.*