# Petro POS vs ONE RetailX

The clearest difference is update cadence: Petro POS at fortnightly against ONE RetailX's every 6 weeks. ONE RetailX's advantage is iOS requirement (13.0 vs 15.1). On price, ads, 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.

Petro POS ships an update fortnightly, ONE RetailX every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Petro POS | ONE RetailX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 30 MB | 36 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [DATA COMMUNICATION OF VIET NAM JOINT STOCK COMPANY](https://appshunter.io/developer/1458691594) | [VNPT Technology](https://appshunter.io/developer/520726479) |

## What reviewers say

### Petro POS

[App page](https://appshunter.io/ios/app/petro-pos/id6475761469)

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

**In-app purchases:** none


### ONE RetailX

[App page](https://appshunter.io/ios/app/one-retailx/id6751264095)

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

**In-app purchases:** none


## Frequently asked questions

### Is Petro POS free?

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

### Is ONE RetailX free?

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

### Do Petro POS or ONE RetailX have ads?

Neither Petro POS nor ONE RetailX shows ads.

### Which is updated more often, Petro POS or ONE RetailX?

Petro POS ships an update fortnightly, and ONE RetailX every 6 weeks. Most recently, Petro POS was updated on October 24, 2026 and ONE RetailX on October 28, 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.*