# Zykloon WCS vs Büttner

The clearest difference is device support: Zykloon WCS at 2 against Büttner's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Zykloon WCS | Büttner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 weeks | — |
| Monetization | Free | — |
| Size | 41 MB | 27 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Alexandra Kroes](https://appshunter.io/developer/1554227494) | [DOMETIC MOBILE POWER ITALY S.r.l.](https://appshunter.io/developer/1715492783) |

## What reviewers say

### Zykloon WCS

[App page](https://appshunter.io/ios/app/zykloon-wcs/id1554227492)

Remotely access data from WCS Mobile Technik HLS series lithium batteries. Monitor battery voltage, fill level, current, and power via Bluetooth connection using your smartphone.

**Highlights:** Remote battery data access, Bluetooth connectivity, Monitor battery voltage, Check fill level, Track current and power

**Features:** macOS Compatibility

**In-app purchases:** none


### Büttner

[App page](https://appshunter.io/ios/app/buttner/id6471507273)

**In-app purchases:** none


## Frequently asked questions

### Is Zykloon WCS free?

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

### Is Büttner free?

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

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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.*