# OzCharge BM12 vs TRACKN

The clearest difference is update cadence: OzCharge BM12 at every 6 weeks against TRACKN's every 24 months. OzCharge BM12 also leads on iOS requirement (12.0 vs 15.0). 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.

OzCharge BM12 ships an update every 6 weeks, TRACKN every 24 months. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | OzCharge BM12 | TRACKN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 24 months |
| Monetization | Free | — |
| Size | 9 MB | 41 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Autech Australia Pty. Ltd.](https://appshunter.io/developer/1447576897) | [HEED PTY LTD](https://appshunter.io/developer/1548858837) |

## What reviewers say

### OzCharge BM12

[App page](https://appshunter.io/ios/app/ozcharge-bm12/id1447576898)

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 voltage monitoring, Cranking system testing, Charging system testing, Bluetooth data transfer, Mobile device display

**Features:** macOS Compatibility

**In-app purchases:** none


### TRACKN

[App page](https://appshunter.io/ios/app/trackn/id1617397727)

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

**In-app purchases:** none


## Frequently asked questions

### Is OzCharge BM12 free?

OzCharge BM12 is free to download, with no in-app purchases.

### Is TRACKN free?

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

### Do OzCharge BM12 or TRACKN have ads?

Neither OzCharge BM12 nor TRACKN shows ads.

### Which is updated more often, OzCharge BM12 or TRACKN?

OzCharge BM12 ships an update every 6 weeks, and TRACKN every 24 months. Most recently, OzCharge BM12 was updated on October 14, 2026 and TRACKN on October 30, 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.*