# Stamp Identifier vs StampRef

The clearest difference is update cadence: StampRef at every 3 weeks against Stamp Identifier's every 7 months. StampRef also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stamp Identifier sells 2 in-app purchases, starting at $7.99 per 7 days and StampRef sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stamp Identifier ships an update every 7 months, StampRef every 3 weeks. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stamp Identifier | StampRef |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 67 MB | 140 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wiktor Pabich](https://appshunter.io/developer/1842657816) | [Victor Pham](https://appshunter.io/developer/1882301002) |

## What reviewers say

### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-stampy/id6759194277)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamps Collector Weekly | $7.99 | per 7 days |
| Stamps Collector Annual | $39.99 | per year |


### StampRef

[App page](https://appshunter.io/ios/app/stampref-stamp-identifier/id6760886317)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $8.99 | per month |
| Yearly Premium | $59.99 | per year |


## Frequently asked questions

### Is Stamp Identifier free?

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

### Is StampRef free?

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

### Do Stamp Identifier or StampRef have ads?

Neither Stamp Identifier nor StampRef shows ads.

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

Stamp Identifier ships an update every 7 months, and StampRef every 3 weeks. Most recently, Stamp Identifier was updated on October 19, 2026 and StampRef on October 25, 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.*