# Posify Retail vs eRun POS

The clearest difference is ads: eRun POS at none against Posify Retail's shown. eRun POS also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Posify Retail ships an update every 3 months, eRun POS every 3 weeks. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Posify Retail | eRun POS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 72 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Posify Group Limited](https://appshunter.io/developer/974661831) | [eRun Systems Limited](https://appshunter.io/developer/1454740509) |

## What reviewers say

### Posify Retail

[App page](https://appshunter.io/ios/app/posify-retail/id1317198745)

**Features:** macOS Compatibility

**In-app purchases:** none


### eRun POS

[App page](https://appshunter.io/ios/app/erun-pos/id1454740510)

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

**In-app purchases:** none


## Frequently asked questions

### Is Posify Retail free?

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

### Is eRun POS free?

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

### Do Posify Retail or eRun POS have ads?

Posify Retail shows ads; eRun POS does not.

### Which is updated more often, Posify Retail or eRun POS?

Posify Retail ships an update every 3 months, and eRun POS every 3 weeks. Most recently, Posify Retail was updated on September 19, 2026 and eRun POS on September 10, 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.*