BM6 vs Car Costs Tracker
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
Car Costs Tracker
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Track every car expense in one place. Car Costs Tracker helps you log repairs, fuel, insurance, and other costs, then analyze spending with clear charts and yearly overviews—all stored locally on your device. **Key Features:** - Manage multiple cars with purchase details, mileage, and license plates - Log repairs and maintenance with categories and reminders - Local maintenance reminders with notifications - Upcoming and overdue maintenance overview on the car list - Car photos on vehicle cards - Track fuel refills, consumption, and spending - Record insurance and other recurring costs - Analyze costs by month, category, and year with charts - Export and import your data as backup - Available in 27 languages - Choose currency, language, and light/dark theme Perfect for drivers who want simple, private cost tracking without accounts or cloud sync. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: BM6 at none against Car Costs Tracker's shown. Car Costs Tracker's advantage is update cadence (every 4 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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.
BM6 ships an update every 5 weeks, Car Costs Tracker every 4 days. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.
| Parameter | BM6 | Car Costs Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (18 ratings) — better | — |
| Positive reviews | 45.8% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 29 MB |
| Age rating | 4+ | 12+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | BenoForge e.U. |
In-app purchases
BM6
No in-app purchases
Car Costs Tracker
No in-app purchases









