# Keep Technologies vs ANCEL BM200

The clearest difference is review sentiment: Keep Technologies at 89% against ANCEL BM200's 45%. Keep Technologies also leads on rating (4.3 vs 3.3) and update cadence (weekly vs every 3 weeks). ANCEL BM200's advantage is in-app purchases (none vs 4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Keep Technologies sells 4 in-app purchases, starting at $9.99 per month. ANCEL BM200 asks for nothing beyond the download.

Keep Technologies holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 32 and 28 respectively. Written reviews point the same way: 89% of Keep Technologies's written reviews are positive against 45% of ANCEL BM200's.

Keep Technologies ships an update weekly, ANCEL BM200 every 3 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Keep Technologies | ANCEL BM200 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (32 ratings)](https://appshunter.io/ios/app/keep-technologies/id1591955434/reviews)** | [3.3 (28 ratings)](https://appshunter.io/ios/app/ancel-bm200/id1669132898/reviews) |
| Number of ratings | **32** | 28 |
| Positive reviews | **88.9% of reviews** | 45.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 171 MB | 30 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keep Technologies](https://appshunter.io/developer/1591955766) | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) |

## What reviewers say

### Keep Technologies

[App page](https://appshunter.io/ios/app/keep-technologies/id1591955434)

This system provides vehicle safety and security with an easy-to-install device. It automatically arms and disarms, sends instant notifications for events, and allows live video review. A monitoring service offers 24/7 peace of mind.

**Highlights:** Automatic arming/disarming, Instant event notifications, Live video review, 24/7 monitoring service, Easy installation

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cellular Connectivity Monthly | $9.99 | per month |
| Cellular Connectivity Monthly | $9.99 | per month |
| Cellular Connectivity Annual | $99.99 | per year |
| Cellular Connectivity Annual | $99.99 | per year |


### 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 Keep Technologies free?

Keep Technologies is free to download, with in-app purchases available.

### Is ANCEL BM200 free?

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

### Which has better reviews, Keep Technologies or ANCEL BM200?

Keep Technologies is rated higher. Keep Technologies averages 4.3 out of 5 from 32 ratings, while ANCEL BM200 averages 3.3 from 28 ratings.

### Do Keep Technologies or ANCEL BM200 have ads?

Neither Keep Technologies nor ANCEL BM200 shows ads.

### Which is updated more often, Keep Technologies or ANCEL BM200?

Keep Technologies ships an update weekly, and ANCEL BM200 every 3 weeks. Most recently, Keep Technologies was updated on October 3, 2026 and ANCEL BM200 on October 13, 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.*