# UPOS vs Self Merchant

The clearest difference is ads: Self Merchant at none against UPOS's shown. UPOS's advantage is iOS requirement (11.0 vs 15.0). 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.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UPOS | Self Merchant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | Every 4 months |
| Size | 20 MB | 47 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SDB Bank PLC](https://appshunter.io/developer/1458233270) | [Citizens Development Business Finance PLC](https://appshunter.io/developer/1163972174) |

## What reviewers say

### UPOS

[App page](https://appshunter.io/ios/app/upos/id1354469942)

**Features:** macOS Compatibility

**In-app purchases:** none


### Self Merchant

[App page](https://appshunter.io/ios/app/self-merchant/id6503601471)

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

**In-app purchases:** none


## Frequently asked questions

### Is UPOS free?

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

### Is Self Merchant free?

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

### Do UPOS or Self Merchant have ads?

UPOS shows ads; Self Merchant does not.

### Which is updated more often, UPOS or Self Merchant?

UPOS ships an update every 4 months, and Self Merchant every 4 months. Most recently, UPOS was updated on October 8, 2026 and Self Merchant 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.*