# Ultimate9 BM vs KA CHARGE

The clearest difference is review sentiment: Ultimate9 BM at 57% against KA CHARGE's 17%. Ultimate9 BM also leads on iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model 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 | Ultimate9 BM | KA CHARGE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ultimate9-bm/id1525506062/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **57.1% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Monetization | Free | Free |
| Size | 26 MB | 23 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [俊华 邹](https://appshunter.io/developer/1276442287) | [Kickass Products Pvt Ltd](https://appshunter.io/developer/1387751158) |

## What reviewers say

### Ultimate9 BM

[App page](https://appshunter.io/ios/app/ultimate9-bm/id1525506062)

Monitor your car battery's real-time voltage and test its cranking and charging systems. View all battery data directly on your mobile device via Bluetooth connection.

**Highlights:** Real-time battery voltage monitoring, Cranking system testing, Charging system testing, Bluetooth data transfer, View data on mobile device

**Features:** macOS Compatibility

**In-app purchases:** none


### KA CHARGE

[App page](https://appshunter.io/ios/app/ka-charge/id6743463427)

This app provides full control and visibility over your dual battery system. Connect via Bluetooth to configure charging profiles, monitor power input, and view live charge status. Receive real-time alerts for seamless power management on the go.

**Highlights:** Configure charging profiles, Monitor input power, View live charge current, Receive system alerts, Bluetooth connectivity, Real-time data display

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

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate9 BM free?

Ultimate9 BM is free to download, with no in-app purchases.

### Is KA CHARGE free?

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

### Do Ultimate9 BM or KA CHARGE have ads?

Neither Ultimate9 BM nor KA CHARGE shows ads.

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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.*