# QR Smart vs Viet Smart

The clearest difference is update cadence: QR Smart at daily against Viet Smart's every 20 months. 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.

QR Smart ships an update daily, Viet Smart every 20 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QR Smart | Viet Smart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 20 months |
| Monetization | — | Free |
| Size | 63 MB | 184 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vi Luong](https://appshunter.io/developer/1321290222) | [Quoc BInh Tran](https://appshunter.io/developer/1672750199) |

## What reviewers say

### QR Smart

[App page](https://appshunter.io/ios/app/qr-smart-qr-code-scan-and-make/id1622509027)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viet Smart

[App page](https://appshunter.io/ios/app/viet-smart/id6630367389)

This app provides personalized interior design and model home consultation. It helps users visualize living spaces and make informed decisions about furniture and layout for optimal functionality and style.

**Highlights:** Personalized interior design simulation, Model home layout consultation, Furniture selection guidance, Space configuration optimization, Functional living space planning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Smart free?

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

### Is Viet Smart free?

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

### Do QR Smart or Viet Smart have ads?

Neither QR Smart nor Viet Smart shows ads.

### Which is updated more often, QR Smart or Viet Smart?

QR Smart ships an update daily, and Viet Smart every 20 months. Most recently, QR Smart was updated on October 13, 2026 and Viet Smart on October 24, 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.*