# BlueBattery vs Zykloon WCS

The clearest difference is review sentiment: BlueBattery at 82% against Zykloon WCS's 33%. On price, update cadence, 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.

BlueBattery ships an update every 5 weeks, Zykloon WCS every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BlueBattery | Zykloon WCS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **81.8% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 22 MB | 41 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kai Scheffer](https://appshunter.io/developer/816144806) | [Alexandra Kroes](https://appshunter.io/developer/1554227494) |

## What reviewers say

### BlueBattery

[App page](https://appshunter.io/ios/app/bluebattery/id1233388568)

Monitor and record vital electrical parameters of your RV battery system in real-time. View live data, energy mix, and historical records for diagnostics. Configure settings and update device firmware.

**Highlights:** Real-time electrical parameter display, Simultaneous connection for energy overview, Historical data for diagnostics, Export data to CSV, Device configuration and settings, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BlueBattery free?

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

### Is Zykloon WCS free?

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

### Do BlueBattery or Zykloon WCS have ads?

Neither BlueBattery nor Zykloon WCS shows ads.

### Which is updated more often, BlueBattery or Zykloon WCS?

BlueBattery ships an update every 5 weeks, and Zykloon WCS every 4 weeks. Most recently, BlueBattery was updated on November 2, 2026 and Zykloon WCS on November 3, 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.*