BM12V vs HK Battery
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BM12V
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.
- Real-time voltage monitoring
- Bluetooth connectivity
- Cranking system testing
- Charging system testing
- Mobile data display
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Battery Monitor BM12V is an application for vehicle battery,which can let them know the real-time voltageof 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.
HK Battery
Monitor your Hardkorr Bluetooth-enabled deep cycle batteries with this free utility app. View real-time data like state of charge, voltage, current draw, and temperature. It also provides detailed warnings and error information for supported battery models.
- Real-time battery voltage
- State of charge monitoring
- Live current draw
- Temperature readings
- Warnings and error alerts
- Charge cycle tracking
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This free app allows you to view detailed diagnostic information for your Hardkorr Bluetooth-enabled deep cycle batteries. You can access a range of useful information including: State of charge Nominal voltage and capacity Live current draw and battery voltage Status (standby, discharging, charging) Warnings and errors (short circuit, over- and under-temp, over- and under-voltage) Total charge cycles Temperature Detailed cell information Supported products include: HKPBATL135B (135Ah Lithium Deep Cycle Battery) HKPBATL135BH (135Ah Lithium Deep Cycle Battery with Heat Film) HKPBATL240B (240Ah Lithium Deep Cycle Battery) HKPBATL240BH (240Ah Lithium Deep Cycle Battery with Heat Film)
Screenshots
Verdict
The clearest difference is update cadence: BM12V at every 3 weeks against HK Battery's every 2 months. HK Battery's advantage is review sentiment (25% vs 17%) and iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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, HK Battery every 2 months. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.
| Parameter | BM12V | HK Battery |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | 25.0% of reviews โ better |
| Update frequency | Every 3 weeks โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 โ better |
| Further details โ not scored | ||
| Size | 11 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | ไฟๅ ้น | Hardkorr |
Customer experience
BM12V
HK Battery
In-app purchases
BM12V
No in-app purchases
HK Battery
No in-app purchases
Questions
Is BM12V free?
Is HK Battery free?
Do BM12V or HK Battery have ads?
Which is updated more often, BM12V or HK Battery?
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