# Büttner vs Bulltron

The clearest difference is device support: Bulltron at 2 against Büttner's —. Bulltron 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 | Bulltron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bulltron/id6529534051/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 27 MB | 35 MB |
| Requires iOS | 13.2 | **11.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [DOMETIC MOBILE POWER ITALY S.r.l.](https://appshunter.io/developer/1715492783) | [Bulltron GmbH](https://appshunter.io/developer/1756463514) |

## What reviewers say

### Büttner

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

**In-app purchases:** none


### Bulltron

[App page](https://appshunter.io/ios/app/bulltron/id6529534051)

Monitor up to 6 batteries simultaneously via Bluetooth or Wi-Fi. View real-time data like temperature, voltage, and capacity. Customize alarms, calibrate settings, and update firmware remotely.

**Highlights:** Monitor up to 6 batteries, Bluetooth and Wi-Fi connectivity, Real-time data display (temp, voltage, current, capacity), Customizable alarms, Battery calibration, Firmware updates, Remote monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is Büttner free?

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

### Is Bulltron free?

Bulltron 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.*