# MarsBMS vs Auto Energy Battery

The clearest difference is update cadence: MarsBMS at daily against Auto Energy Battery's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MarsBMS ships an update daily, Auto Energy Battery monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MarsBMS | Auto Energy Battery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Size | 52 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [卓文 梁](https://appshunter.io/developer/1759304348) | [A2R Performance Parts Pty Ltd](https://appshunter.io/developer/6796218531) |

## What reviewers say

### MarsBMS

[App page](https://appshunter.io/ios/app/marsbms/id6758932685)

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

**In-app purchases:** none


### Auto Energy Battery

[App page](https://appshunter.io/ios/app/auto-energy-battery/id6796218529)

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

**In-app purchases:** none


## Frequently asked questions

### Is MarsBMS free?

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

### Is Auto Energy Battery free?

Auto Energy Battery is free to download, with no in-app purchases.

### Do MarsBMS or Auto Energy Battery have ads?

Neither MarsBMS nor Auto Energy Battery shows ads.

### Which is updated more often, MarsBMS or Auto Energy Battery?

MarsBMS ships an update daily, and Auto Energy Battery monthly. Most recently, MarsBMS was updated on October 19, 2026 and Auto Energy Battery on October 24, 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.*