# Supervolt vs Büttner

The clearest difference is device support: Supervolt at 3 against Büttner's —. Büttner's advantage is iOS requirement (13.2 vs 15.6). 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 | Supervolt | Büttner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 11 MB | 27 MB |
| Requires iOS | 15.6 | **13.2** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Bauer Trading GmbH](https://appshunter.io/developer/1552664041) | [DOMETIC MOBILE POWER ITALY S.r.l.](https://appshunter.io/developer/1715492783) |

## What reviewers say

### Supervolt

[App page](https://appshunter.io/ios/app/supervolt/id1552664039)

Monitor your LiFePO4 batteries with this app. It displays key parameters like capacity, voltage, current, and temperature. You can connect up to eight batteries simultaneously and name them for easy identification.

**Highlights:** Real-time battery data display, Capacity and remaining capacity, Voltage and current monitoring, Cell voltage and temperature, Connect up to 8 batteries, Name individual batteries, Two dashboard views

**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 Supervolt free?

Supervolt 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.*