# Stamp Identifier Value Checker vs Trials Explorer

The clearest difference is in-app purchases: Trials Explorer at none against Stamp Identifier Value Checker's 2. Stamp Identifier Value Checker's advantage is iOS requirement (16.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Stamp Identifier Value Checker sells 2 in-app purchases, starting at $5.99 per 7 days. Trials Explorer asks for nothing beyond the download.

## The numbers

| Metric | Stamp Identifier Value Checker | Trials Explorer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 22 MB | 1 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksei Marozau](https://appshunter.io/developer/1796790486) | [MICHAL KOWALSKI](https://appshunter.io/developer/1878355449) |

## What reviewers say

### Stamp Identifier Value Checker

[App page](https://appshunter.io/ios/app/stamp-identifier-value-checker/id6754553752)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp Identifier - Weekly Plan | $5.99 | per 7 days |
| Stamp Identifier - Annual Plan | $29.99 | per year |


### Trials Explorer

[App page](https://appshunter.io/ios/app/trials-explorer/id6759970318)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stamp Identifier Value Checker free?

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

### Is Trials Explorer free?

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

### Do Stamp Identifier Value Checker or Trials Explorer have ads?

Neither Stamp Identifier Value Checker nor Trials Explorer shows ads.

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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.*