# BM12V vs KA Lithium

The clearest difference is update cadence: BM12V at every 3 weeks against KA Lithium's every 4 months. BM12V also leads on iOS requirement (8.0 vs 13.0). 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.

BM12V ships an update every 3 weeks, KA Lithium every 4 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BM12V | KA Lithium |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 29 MB | 60 MB |
| Requires iOS | **8.0** | 13.0 |
| 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

**In-app purchases:** none


### KA Lithium

[App page](https://appshunter.io/ios/app/ka-lithium/id6480479006)

**In-app purchases:** none


## Frequently asked questions

### Is BM12V free?

BM12V is free to download, with no in-app purchases.

### Is KA Lithium free?

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

### Do BM12V or KA Lithium have ads?

Neither BM12V nor KA Lithium shows ads.

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

BM12V ships an update every 3 weeks, and KA Lithium every 4 months. Most recently, BM12V was updated on October 9, 2026 and KA Lithium on October 15, 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.*