# HLK Control vs Lithium Valley

The clearest difference is update cadence: Lithium Valley at every 6 days against HLK Control'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.

HLK Control ships an update every 20 months, Lithium Valley every 6 days. The most recent releases landed on October 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | HLK Control | Lithium Valley |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 days** |
| Size | 3 MB | 42 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [深圳市海凌科电子有限公司](https://appshunter.io/developer/1116319863) | [远飞 周](https://appshunter.io/developer/1618577296) |

## What reviewers say

### HLK Control

[App page](https://appshunter.io/ios/app/hlk-control/id1596447333)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lithium Valley

[App page](https://appshunter.io/ios/app/lithium-valley/id6744994329)

**In-app purchases:** none


## Frequently asked questions

### Is HLK Control free?

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

### Is Lithium Valley free?

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

### Do HLK Control or Lithium Valley have ads?

Neither HLK Control nor Lithium Valley shows ads.

### Which is updated more often, HLK Control or Lithium Valley?

HLK Control ships an update every 20 months, and Lithium Valley every 6 days. Most recently, HLK Control was updated on October 7, 2026 and Lithium Valley on September 22, 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.*