# Lúa vs Sổ Buôn Bán

The clearest difference is in-app purchases: Lúa at none against Sổ Buôn Bán's 1. Lúa also leads on update cadence (every 3 days vs weekly). Sổ Buôn Bán's advantage is iOS requirement (13.0 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Sổ Buôn Bán sells 1 one-off in-app purchase. Lúa asks for nothing beyond the download.

Lúa ships an update every 3 days, Sổ Buôn Bán weekly. The most recent releases landed on September 19, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Lúa | Sổ Buôn Bán |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 63 MB | 25 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vo Hoang Tu](https://appshunter.io/developer/1895314877) | [NGUYEN HIEU](https://appshunter.io/developer/1888036907) |

## What reviewers say

### Lúa

[App page](https://appshunter.io/ios/app/lua/id6763438738)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sổ Buôn Bán

[App page](https://appshunter.io/ios/app/so-buon-ban/id6776913085)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sổ Buôn Bán Premium | $12.99 | one-time |


## Frequently asked questions

### Is Lúa free?

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

### Is Sổ Buôn Bán free?

Sổ Buôn Bán is free to download, with in-app purchases available.

### Do Lúa or Sổ Buôn Bán have ads?

Neither Lúa nor Sổ Buôn Bán shows ads.

### Which is updated more often, Lúa or Sổ Buôn Bán?

Lúa ships an update every 3 days, and Sổ Buôn Bán weekly. Most recently, Lúa was updated on September 19, 2026 and Sổ Buôn Bán on September 7, 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.*