# Sổ cân vs Sổ Buôn Bán

The clearest difference is in-app purchases: Sổ cân at none against Sổ Buôn Bán's 1. Sổ Buôn Bán's advantage is update cadence (weekly vs every 46 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Sổ cân ships an update every 46 months, Sổ Buôn Bán weekly. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sổ cân | Sổ Buôn Bán |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 46 months | **Weekly** |
| Size | 5 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Phong Duong](https://appshunter.io/developer/1611879937) | [NGUYEN HIEU](https://appshunter.io/developer/1888036907) |

## What reviewers say

### Sổ cân

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

**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 Sổ cân free?

Sổ cân 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 Sổ cân or Sổ Buôn Bán have ads?

Neither Sổ cân nor Sổ Buôn Bán shows ads.

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

Sổ cân ships an update every 46 months, and Sổ Buôn Bán weekly. Most recently, Sổ cân was updated on October 25, 2026 and Sổ Buôn Bán on November 5, 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.*