# Hạ Long Smart vs 3DG

The clearest difference is update cadence: 3DG at every 11 days against Hạ Long Smart's every 2 months. Hạ Long Smart's advantage is iOS requirement (11.0 vs 13.0). 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.

Hạ Long Smart ships an update every 2 months, 3DG every 11 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Hạ Long Smart | 3DG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 207 MB | 22 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) | [Manh Dung Nguyen](https://appshunter.io/developer/1577010196) |

## What reviewers say

### Hạ Long Smart

[App page](https://appshunter.io/ios/app/ha-long-smart/id1597429959)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3DG

[App page](https://appshunter.io/ios/app/3dg/id6780339372)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hạ Long Smart free?

Hạ Long Smart is free to download, with no in-app purchases.

### Is 3DG free?

3DG is free to download, with no in-app purchases.

### Do Hạ Long Smart or 3DG have ads?

Neither Hạ Long Smart nor 3DG shows ads.

### Which is updated more often, Hạ Long Smart or 3DG?

Hạ Long Smart ships an update every 2 months, and 3DG every 11 days. Most recently, Hạ Long Smart was updated on October 10, 2026 and 3DG on October 9, 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.*