# Sổ cân vs Lúa

The clearest difference is update cadence: Lúa at every 3 days against Sổ cân's every 46 months. Sổ cân's advantage is iOS requirement (13.0 vs 15). 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.

Sổ cân ships an update every 46 months, Lúa every 3 days. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sổ cân | Lúa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 3 days** |
| Size | 5 MB | 63 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Phong Duong](https://appshunter.io/developer/1611879937) | [Vo Hoang Tu](https://appshunter.io/developer/1895314877) |

## What reviewers say

### Sổ cân

[App page](https://appshunter.io/ios/app/so-can/id1611879545)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lúa

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sổ cân free?

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

### Is Lúa free?

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

### Do Sổ cân or Lúa have ads?

Neither Sổ cân nor Lúa shows ads.

### Which is updated more often, Sổ cân or Lúa?

Sổ cân ships an update every 46 months, and Lúa every 3 days. Most recently, Sổ cân was updated on September 10, 2026 and Lúa on September 19, 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.*