# Karbon vs LH

Karbon and LH are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Karbon ships an update every 3 weeks, LH every 5 weeks. The most recent releases landed on July 5, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Karbon | LH |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 25 MB | 63 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kang Cheng Century Technology Co., Ltd.](https://appshunter.io/developer/1448125513) | [ASSA ABLOY Entrance Systems AB](https://appshunter.io/developer/1498896925) |

## What reviewers say

### Karbon

[App page](https://appshunter.io/ios/app/karbon/id1602033747)

Control your heated socks via Bluetooth. Adjust heating levels, activate standby mode, and monitor battery status. You can also personalize the names of your sock batteries.

**Highlights:** Bluetooth sock control, 3 heating levels, Standby mode, Battery status display, Customizable battery names

**In-app purchases:** none


### LH

[App page](https://appshunter.io/ios/app/lh-ado-manager/id6745782895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Karbon free?

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

### Is LH free?

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

### Do Karbon or LH have ads?

Neither Karbon nor LH shows ads.

### Which is updated more often, Karbon or LH?

Karbon ships an update every 3 weeks, and LH every 5 weeks. Most recently, Karbon was updated on July 5, 2026 and LH on September 6, 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.*