# BM6 vs Car Costs Tracker

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.

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.

## The numbers

| Metric | BM6 | Car Costs Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (18 ratings)](https://appshunter.io/ios/app/bm6/id1561912036/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 64 MB | 29 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [BenoForge e.U.](https://appshunter.io/developer/1695882966) |

## What reviewers say

### BM6

[App page](https://appshunter.io/ios/app/bm6/id1561912036)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Car Costs Tracker

[App page](https://appshunter.io/ios/app/car-costs-tracker/id6747667305)

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

**In-app purchases:** none


## Frequently asked questions

### Is BM6 free?

BM6 is free to download, with no in-app purchases.

### Is Car Costs Tracker free?

Car Costs Tracker is free to download, with no in-app purchases.

### Do BM6 or Car Costs Tracker have ads?

Car Costs Tracker shows ads; BM6 does not.

### Which is updated more often, BM6 or Car Costs Tracker?

BM6 ships an update every 5 weeks, and Car Costs Tracker every 4 days. Most recently, BM6 was updated on October 21, 2026 and Car Costs Tracker on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*