# SmartLensKit vs Trang Trắng

The clearest difference is update cadence: Trang Trắng at every 5 days against SmartLensKit's every 2 weeks. SmartLensKit's advantage is iOS requirement (11.1 vs 16.6). 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.

SmartLensKit ships an update every 2 weeks, Trang Trắng every 5 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SmartLensKit | Trang Trắng |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 106 MB | 2 MB |
| Requires iOS | **11.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cuong Luu Hung](https://appshunter.io/developer/1634793639) | [Duy Pham](https://appshunter.io/developer/1827014012) |

## What reviewers say

### SmartLensKit

[App page](https://appshunter.io/ios/app/smartlenskit/id1634814913)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trang Trắng

[App page](https://appshunter.io/ios/app/trang-trang-chong-lua-ao/id6748690764)

**In-app purchases:** none


## Frequently asked questions

### Is SmartLensKit free?

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

### Is Trang Trắng free?

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

### Do SmartLensKit or Trang Trắng have ads?

Neither SmartLensKit nor Trang Trắng shows ads.

### Which is updated more often, SmartLensKit or Trang Trắng?

SmartLensKit ships an update every 2 weeks, and Trang Trắng every 5 days. Most recently, SmartLensKit was updated on November 7, 2026 and Trang Trắng on October 30, 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.*