BM6 vs KA CHARGE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BM6
Monitor your car's battery in real-time via Bluetooth. This app tests starting and charging systems, records engine start/stop times, and displays all data on your mobile device for easy management of your vehicle's battery power.
- Real-time battery voltage monitoring
- Starting system voltage test
- Charging system voltage test
- Records engine start/stop times
- Bluetooth data display
- Vehicle battery power management
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Battery monitor 6 is an application of automobile battery. It can let people know the voltage of automobile battery in real time. It helps users fully understand the battery by testing the starting and charging system voltage. It can accurately record the time of car starting and stopping. All data can be displayed on the mobile phone through Bluetooth. Easy management of vehicle battery power
KA CHARGE
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.
- Configure charging profiles
- Monitor input power
- View live charge current
- Receive system alerts
- Bluetooth connectivity
- Real-time data display
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KA CHARGE brings configuration, monitoring and control of your compatible KickAss power devices into one easy-to-use app. Connect via Bluetooth to set up your devices, adjust settings and view live operating data—whether you’re off-grid, at camp or on the road. Compatible KickAss products: 50A AC-DC Battery Charger 25A DC-DC MPPT Charger 40A DC-DC MPPT Charger 60A Dual Channel DC-DC MPPT Charger 2200W Bi-Directional Inverter Charger 3200W Bi-Directional Inverter Charger Key Features: Configure charging profiles to suit your battery and setup Monitor live power, charging current and charging stage Control supported device functions from your phone Receive real-time warnings and system alerts Available settings, controls and monitoring data vary by device. KA CHARGE. Full control from one app.
Screenshots
Verdict
The clearest difference is review sentiment: BM6 at 46% against KA CHARGE's 17%. 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.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.
| Parameter | BM6 | KA CHARGE |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (18 ratings) — better | — |
| Positive reviews | 45.8% of reviews — better | 16.7% of reviews |
| Number of ratings | 18 — better | — |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | Kickass Products Pvt Ltd |
Customer experience
BM6
KA CHARGE
In-app purchases
BM6
No in-app purchases
KA CHARGE
No in-app purchases
