# Topspeed Battery Assistant vs Controller MX

The clearest difference is ads: Controller MX at none against Topspeed Battery Assistant's shown. Controller MX also leads on iOS requirement (9.0 vs 15). On price, 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.

## The numbers

| Metric | Topspeed Battery Assistant | Controller MX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 72 MB | 20 MB |
| Requires iOS | 15 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Xingyun Power Source Technology Co., Ltd.](https://appshunter.io/developer/1681532422) | [Guangdong Marxon Electronics Co., LTD](https://appshunter.io/developer/1680634591) |

## What reviewers say

### Topspeed Battery Assistant

[App page](https://appshunter.io/ios/app/topspeed-battery-assistant/id1628977972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Controller MX

[App page](https://appshunter.io/ios/app/controller-mx/id6447220268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Topspeed Battery Assistant free?

Topspeed Battery Assistant is free to download, with no in-app purchases.

### Is Controller MX free?

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

### Do Topspeed Battery Assistant or Controller MX have ads?

Topspeed Battery Assistant shows ads; Controller MX does not.

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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.*