# Keynius Battery Lock vs LEHMANN Config

The clearest difference is update cadence: Keynius Battery Lock at monthly against LEHMANN Config's every 30 months. Keynius Battery Lock also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

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

Keynius Battery Lock ships an update monthly, LEHMANN Config every 30 months. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Keynius Battery Lock | LEHMANN Config |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 30 months |
| Size | 51 MB | 4 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Keynius B.V.](https://appshunter.io/developer/1606427497) | [Lehmann Vertriebsges. mbH & Co. KG](https://appshunter.io/developer/980603055) |

## What reviewers say

### Keynius Battery Lock

[App page](https://appshunter.io/ios/app/keynius-battery-lock/id6448085886)

**Features:** macOS Compatibility

**In-app purchases:** none


### LEHMANN Config

[App page](https://appshunter.io/ios/app/lehmann-config/id6449590739)

**In-app purchases:** none


## Frequently asked questions

### Is Keynius Battery Lock free?

Keynius Battery Lock is free to download, with no in-app purchases.

### Is LEHMANN Config free?

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

### Do Keynius Battery Lock or LEHMANN Config have ads?

Neither Keynius Battery Lock nor LEHMANN Config shows ads.

### Which is updated more often, Keynius Battery Lock or LEHMANN Config?

Keynius Battery Lock ships an update monthly, and LEHMANN Config every 30 months. Most recently, Keynius Battery Lock was updated on September 15, 2026 and LEHMANN Config on September 17, 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.*