# DOFA SMART vs Bắc Hải

The clearest difference is update cadence: Bắc Hải at monthly against DOFA SMART's every 10 months. DOFA SMART's advantage is iOS requirement (11.0 vs 13.4). 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.

DOFA SMART ships an update every 10 months, Bắc Hải monthly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DOFA SMART | Bắc Hải |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Size | 202 MB | 152 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Minh Truong](https://appshunter.io/developer/1475784825) | [Cuong Pham](https://appshunter.io/developer/1660507457) |

## What reviewers say

### DOFA SMART

[App page](https://appshunter.io/ios/app/dofa-smart/id6449660215)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bắc Hải

[App page](https://appshunter.io/ios/app/bac-hai/id6480290232)

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

**In-app purchases:** none


## Frequently asked questions

### Is DOFA SMART free?

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

### Is Bắc Hải free?

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

### Do DOFA SMART or Bắc Hải have ads?

Neither DOFA SMART nor Bắc Hải shows ads.

### Which is updated more often, DOFA SMART or Bắc Hải?

DOFA SMART ships an update every 10 months, and Bắc Hải monthly. Most recently, DOFA SMART was updated on October 2, 2026 and Bắc Hải on October 1, 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.*