OzCharge BM12 vs zComms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OzCharge BM12
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.
- Real-time voltage monitoring
- Cranking system testing
- Charging system testing
- Bluetooth data transfer
- Mobile device display
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OzCharge BM12 is an application for vehicle battery,which can let them know the real-time voltage of car battery. It helps users to know the battery fully by testing cranking and charging system voltage. All of the datas can be showed on mobile through bluetooth.
zComms
Transform your Ness security panel into a smart home hub. This application enables Z-Wave device control and push notifications through your mobile device via a Ness Z-Wave Gateway.
- Z-Wave device control
- Smart home integration
- Push notifications
- Rule engine for automation
- Remote access via mobile
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Ness zComms turns your Ness D8 / D16 Security Panels into a smart home with Z-Wave Control. This app talks though the Ness Z-Wave Gateway to give your D8 / D16 alarm panel Z-Wave control with your mobile device. zComms has a simple and powerful rule engine to control your Z-Wave devices and receive push notifications over the internet. * Requires D8 / D16 version firmware 7.8 or above for D8/D16 integration. * Requires Ness IP232 Module (101-244) configured to your D8 / D16 for panel to work with app. Not included or supplied with Ness Z-Wave Gateway or App.
Screenshots
Verdict
The clearest difference is review sentiment: OzCharge BM12 at 100% against zComms's 33%. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, zComms monthly. The most recent releases landed on June 11, 2026 and September 8, 2026 respectively.
| Parameter | OzCharge BM12 | zComms |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews — better | 33.3% of reviews |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | Autech Australia Pty. Ltd. | Ness Corporation Pty Limited |
Customer experience
OzCharge BM12
zComms
In-app purchases
OzCharge BM12
No in-app purchases
zComms
No in-app purchases
