# KLS Electronic vs Battemax

The clearest difference is update cadence: Battemax at every 3 weeks against KLS Electronic's every 3 months. KLS Electronic's advantage is iOS requirement (12.0 vs 15.6). 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.

KLS Electronic ships an update every 3 months, Battemax every 3 weeks. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | KLS Electronic | Battemax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 36 MB | 33 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kinglisheng New Energy Technology Co., Ltd.](https://appshunter.io/developer/1807937254) | [Nanchang Yepai Technology Co., Ltd.](https://appshunter.io/developer/1503296093) |

## What reviewers say

### KLS Electronic

[App page](https://appshunter.io/ios/app/kls-electronic/id6744517167)

**Features:** macOS Compatibility

**In-app purchases:** none


### Battemax

[App page](https://appshunter.io/ios/app/battemax/id6747614735)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KLS Electronic free?

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

### Is Battemax free?

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

### Do KLS Electronic or Battemax have ads?

Neither KLS Electronic nor Battemax shows ads.

### Which is updated more often, KLS Electronic or Battemax?

KLS Electronic ships an update every 3 months, and Battemax every 3 weeks. Most recently, KLS Electronic was updated on September 30, 2026 and Battemax on October 11, 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.*