# Bulltron vs Next Level Systems Battery

The clearest difference is iOS requirement: Bulltron at 11.0 against Next Level Systems Battery's 15.6. 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.

Bulltron ships an update every 2 months, Next Level Systems Battery every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bulltron | Next Level Systems Battery |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 35 MB | 24 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bulltron GmbH](https://appshunter.io/developer/1756463514) | [Next Level Systems GmbH](https://appshunter.io/developer/1804878050) |

## What reviewers say

### 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


### Next Level Systems Battery

[App page](https://appshunter.io/ios/app/next-level-systems-battery/id6759964491)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bulltron free?

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

### Is Next Level Systems Battery free?

Next Level Systems Battery is free to download, with no in-app purchases.

### Do Bulltron or Next Level Systems Battery have ads?

Neither Bulltron nor Next Level Systems Battery shows ads.

### Which is updated more often, Bulltron or Next Level Systems Battery?

Bulltron ships an update every 2 months, and Next Level Systems Battery every 3 months. Most recently, Bulltron was updated on October 30, 2026 and Next Level Systems Battery on October 31, 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.*