# GT vs SK Ambient Light

The clearest difference is update cadence: SK Ambient Light at every 5 days against GT's every 2 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.

GT ships an update every 2 months, SK Ambient Light every 5 days. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | GT | SK Ambient Light |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 4 MB | 26 MB |
| Requires iOS | 13 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Viet](https://appshunter.io/developer/1596489375) | [广州科骏诚汽车电子有限公司](https://appshunter.io/developer/1896476875) |

## What reviewers say

### GT

[App page](https://appshunter.io/ios/app/gt-tpms-ble/id6742458629)

**Features:** macOS Compatibility

**In-app purchases:** none


### SK Ambient Light

[App page](https://appshunter.io/ios/app/sk-ambient-light/id6793059710)

**In-app purchases:** none


## Frequently asked questions

### Is GT free?

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

### Is SK Ambient Light free?

SK Ambient Light is free to download, with no in-app purchases.

### Do GT or SK Ambient Light have ads?

Neither GT nor SK Ambient Light shows ads.

### Which is updated more often, GT or SK Ambient Light?

GT ships an update every 2 months, and SK Ambient Light every 5 days. Most recently, GT was updated on October 18, 2026 and SK Ambient Light on October 5, 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.*