# Demeter vs ANCEL BM200

The clearest difference is update cadence: ANCEL BM200 at every 3 weeks against Demeter's every 24 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Demeter ships an update every 24 months, ANCEL BM200 every 3 weeks. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Demeter | ANCEL BM200 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (30 ratings)](https://appshunter.io/ios/app/ancel-bm200/id1669132898/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | — | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 56 MB | 30 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DTrack Technology and Services Co., Ltd.](https://appshunter.io/developer/6801370682) | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) |

## What reviewers say

### Demeter

[App page](https://appshunter.io/ios/app/demeter/id1621694610)

**Features:** macOS Compatibility

**In-app purchases:** none


### ANCEL BM200

[App page](https://appshunter.io/ios/app/ancel-bm200/id1669132898)

Monitor your car battery's health in real-time. This app tests the voltage of your starting and charging systems, providing detailed insights into your battery's condition. View all data on your phone via Bluetooth for easy car battery power management.

**Highlights:** Real-time voltage monitoring, Starting system testing, Charging system testing, Record start/stop times, Bluetooth data display, Battery power management

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

**In-app purchases:** none


## Frequently asked questions

### Is Demeter free?

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

### Is ANCEL BM200 free?

ANCEL BM200 is free to download, with no in-app purchases.

### Do Demeter or ANCEL BM200 have ads?

Neither Demeter nor ANCEL BM200 shows ads.

### Which is updated more often, Demeter or ANCEL BM200?

Demeter ships an update every 24 months, and ANCEL BM200 every 3 weeks. Most recently, Demeter was updated on October 27, 2026 and ANCEL BM200 on October 21, 2026.

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