# BM12V vs KA CHARGE

The clearest difference is update cadence: BM12V at every 3 weeks against KA CHARGE's every 6 weeks. On price, review sentiment, 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.

BM12V ships an update every 3 weeks, KA CHARGE every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | BM12V | KA CHARGE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **23.1% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 11 MB | 23 MB |
| Requires iOS | 15.6 | **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

### BM12V

[App page](https://appshunter.io/ios/app/bm12v/id1477779532)

Monitor your vehicle's battery in real-time via Bluetooth. Test cranking and charging systems to ensure your battery is in optimal condition. View all data directly on your mobile device.

**Highlights:** Real-time voltage monitoring, Bluetooth connectivity, Cranking system testing, Charging system testing, Mobile data display

**Features:** Vision Pro support

**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 BM12V free?

BM12V 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 BM12V or KA CHARGE have ads?

Neither BM12V nor KA CHARGE shows ads.

### Which is updated more often, BM12V or KA CHARGE?

BM12V ships an update every 3 weeks, and KA CHARGE every 6 weeks. Most recently, BM12V was updated on October 24, 2026 and KA CHARGE 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.*