# Büttner vs WATTSTUNDE NOVA

The clearest difference is device support: WATTSTUNDE NOVA at 2 against Büttner's —. WATTSTUNDE NOVA also leads on iOS requirement (11.0 vs 13.2). On price 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.

## The numbers

| Metric | Büttner | WATTSTUNDE NOVA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 14.8% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 27 MB | 9 MB |
| Requires iOS | 13.2 | **11.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DOMETIC MOBILE POWER ITALY S.r.l.](https://appshunter.io/developer/1715492783) | [WATTSTUNDE GmbH](https://appshunter.io/developer/1469009647) |

## What reviewers say

### Büttner

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

**In-app purchases:** none


### WATTSTUNDE NOVA

[App page](https://appshunter.io/ios/app/wattstunde-nova/id6480045065)

Monitor your WATTSTUNDE Smart Lithium Battery via Bluetooth 5.0 BLE. View real-time voltage, current, temperature, and cycle life data for your LiFePO4 battery within a 5-meter range. Connect to a single battery at a time for detailed performance insights.

**Highlights:** Bluetooth 5.0 BLE connectivity, Monitor voltage, current, temperature, Track cycle life, Real-time data display, Connect to one battery at a time

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Büttner free?

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

### Is WATTSTUNDE NOVA free?

WATTSTUNDE NOVA 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.*