# ĐỊNH VỊ STC vs BA

The clearest difference is update cadence: BA at every 2 months against ĐỊNH VỊ STC's every 7 months. ĐỊNH VỊ STC's advantage is iOS requirement (13.0 vs 15.0). 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.

ĐỊNH VỊ STC ships an update every 7 months, BA every 2 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ĐỊNH VỊ STC | BA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 99 MB | 167 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Duan Nguyen](https://appshunter.io/developer/1462385561) | [Tran Quang Trung](https://appshunter.io/developer/1466206177) |

## What reviewers say

### ĐỊNH VỊ STC

[App page](https://appshunter.io/ios/app/inh-vi-stc/id1535575772)

**In-app purchases:** none


### BA

[App page](https://appshunter.io/ios/app/ba-smartdat/id1581077147)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ĐỊNH VỊ STC free?

ĐỊNH VỊ STC is free to download, with no in-app purchases.

### Is BA free?

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

### Do ĐỊNH VỊ STC or BA have ads?

Neither ĐỊNH VỊ STC nor BA shows ads.

### Which is updated more often, ĐỊNH VỊ STC or BA?

ĐỊNH VỊ STC ships an update every 7 months, and BA every 2 months. Most recently, ĐỊNH VỊ STC was updated on October 14, 2026 and BA on October 4, 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.*