# Stamp 4.1 vs ProfitGo

The clearest difference is ads: ProfitGo at none against Stamp 4.1's shown. On price, update cadence, 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, ProfitGo every 2 weeks. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Stamp 4.1 | ProfitGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 24 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Liechtensteinische Post AG](https://appshunter.io/developer/1719959009) | [FourByte GmbH](https://appshunter.io/developer/1808412617) |

## What reviewers say

### Stamp 4.1

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

**In-app purchases:** none


### ProfitGo

[App page](https://appshunter.io/ios/app/profitgo/id6744608680)

**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 ProfitGo free?

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

### Do Stamp 4.1 or ProfitGo have ads?

Stamp 4.1 shows ads; ProfitGo does not.

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

Stamp 4.1 ships an update every 3 weeks, and ProfitGo every 2 weeks. Most recently, Stamp 4.1 was updated on September 7, 2026 and ProfitGo on September 21, 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.*