# umePOS vs BOO

The clearest difference is in-app purchases: umePOS at none against BOO's 1. umePOS also leads on iOS requirement (11.0 vs 17.6). BOO's advantage is update cadence (every 4 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. BOO sells 1 one-off in-app purchase. umePOS asks for nothing beyond the download.

umePOS ships an update every 4 months, BOO every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | umePOS | BOO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 59 MB | 11 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [創科系統有限公司](https://appshunter.io/developer/1439571825) | [Hsien-Te Hsieh](https://appshunter.io/developer/1719651563) |

## What reviewers say

### umePOS

[App page](https://appshunter.io/ios/app/umepos/id1510280863)

**Features:** macOS Compatibility

**In-app purchases:** none


### BOO

[App page](https://appshunter.io/ios/app/boo-pos/id6762549059)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BOO-POS Premium | $7.99 | one-time |


## Frequently asked questions

### Is umePOS free?

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

### Is BOO free?

BOO is free to download, with in-app purchases available.

### Do umePOS or BOO have ads?

Neither umePOS nor BOO shows ads.

### Which is updated more often, umePOS or BOO?

umePOS ships an update every 4 months, and BOO every 4 days. Most recently, umePOS was updated on November 3, 2026 and BOO on October 31, 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.*