# Stamp 4.1 vs BarnSchema

The clearest difference is ads: BarnSchema at none against Stamp 4.1's shown. BarnSchema also leads on update cadence (every 5 days vs every 3 weeks). Stamp 4.1's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stamp 4.1 ships an update every 3 weeks, BarnSchema every 5 days. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Stamp 4.1 | BarnSchema |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 24 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Liechtensteinische Post AG](https://appshunter.io/developer/1719959009) | [Nithya Sudanthiraveeran](https://appshunter.io/developer/1851311371) |

## What reviewers say

### Stamp 4.1

[App page](https://appshunter.io/ios/app/stamp-41/id6445849795)

**In-app purchases:** none


### BarnSchema

[App page](https://appshunter.io/ios/app/barnschema/id6758647743)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stamp 4.1 free?

Stamp 4.1 is free to download, with no in-app purchases.

### Is BarnSchema free?

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

### Do Stamp 4.1 or BarnSchema have ads?

Stamp 4.1 shows ads; BarnSchema does not.

### Which is updated more often, Stamp 4.1 or BarnSchema?

Stamp 4.1 ships an update every 3 weeks, and BarnSchema every 5 days. Most recently, Stamp 4.1 was updated on October 9, 2026 and BarnSchema on September 28, 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.*