# UPOS vs SeylanPay Merchant

The clearest difference is ads: SeylanPay Merchant at none against UPOS's shown. UPOS's advantage is update cadence (every 4 months vs every 10 months) and iOS requirement (11.0 vs 15.6). 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.

UPOS ships an update every 4 months, SeylanPay Merchant every 10 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | UPOS | SeylanPay Merchant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 10 months |
| Size | 20 MB | 62 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SDB Bank PLC](https://appshunter.io/developer/1458233270) | [Seylan Bank PLC](https://appshunter.io/developer/1061045337) |

## What reviewers say

### UPOS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### SeylanPay Merchant

[App page](https://appshunter.io/ios/app/seylanpay-merchant/id1514734140)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UPOS free?

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

### Is SeylanPay Merchant free?

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

### Do UPOS or SeylanPay Merchant have ads?

UPOS shows ads; SeylanPay Merchant does not.

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

UPOS ships an update every 4 months, and SeylanPay Merchant every 10 months. Most recently, UPOS was updated on October 26, 2026 and SeylanPay Merchant on October 29, 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.*