# langolink vs GU Smart

The clearest difference is update cadence: langolink at every 3 weeks against GU Smart's every 9 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.

langolink ships an update every 3 weeks, GU Smart every 9 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | langolink | GU Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 61 MB | 193 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Guangzhou LANGO Electronics Technology Co., Ltd](https://appshunter.io/developer/1625799941) | [GU(Shanghai) Security Co., Ltd](https://appshunter.io/developer/1767363276) |

## What reviewers say

### langolink

[App page](https://appshunter.io/ios/app/langolink/id6448139872)

**Features:** macOS Compatibility

**In-app purchases:** none


### GU Smart

[App page](https://appshunter.io/ios/app/gu-smart/id6670753385)

**In-app purchases:** none


## Frequently asked questions

### Is langolink free?

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

### Is GU Smart free?

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

### Do langolink or GU Smart have ads?

Neither langolink nor GU Smart shows ads.

### Which is updated more often, langolink or GU Smart?

langolink ships an update every 3 weeks, and GU Smart every 9 months. Most recently, langolink was updated on October 10, 2026 and GU Smart on October 10, 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.*