Keep Technologies vs ANCEL BM200
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keep Technologies
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.
- Automatic arming/disarming
- Instant event notifications
- Live video review
- 24/7 monitoring service
- Easy installation
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Keep thieves away. Keep your car and family safe. The Keep Vehicle Monitoring System is the world's first easy-to-install, connected vehicle safety and security device and platform. The Keep Device will arm and disarm itself automatically as you enter and leave your vehicle. Receive instant notifications and then review live video of Deterrent and Alarm events in the Keep App to silence the alarm or alert the authorities. Get 24/7 peace of mind with the Keep Monitoring Service knowing that someone will be able to review your video if you are busy. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ANCEL BM200
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.
- Real-time voltage monitoring
- Starting system testing
- Charging system testing
- Record start/stop times
- Bluetooth data display
- Battery power management
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Battery Monitor BM200 is an application for testing car batteries. It allows the user to know the voltage of the car battery in real time. It helps users to fully understand the battery by testing the voltage of the starting and charging system. It can record exactly when the car starts and stops. All the data can be displayed on the phone via Bluetooth. Easy car battery power management.
Screenshots
Verdict
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.
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. 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.
| Parameter | Keep Technologies | ANCEL BM200 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (32 ratings) — better | 3.3 (28 ratings) |
| Positive reviews | 88.9% of reviews — better | 45.5% of reviews |
| Number of ratings | 32 — better | 28 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 171 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Keep Technologies | OBDSPACE TECHNOLOGY CO.,LTD |
Customer experience
Keep Technologies
ANCEL BM200
In-app purchases
Keep Technologies
- Cellular Connectivity Monthly1 Month trial$9.991 Month
- Cellular Connectivity Monthly$9.991 Month
- Cellular Connectivity Annual1 Month trial$99.991 Year
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- Cellular Connectivity Annual$99.991 Year
ANCEL BM200
No in-app purchases
Questions
Is Keep Technologies free?
Is ANCEL BM200 free?
Which has better reviews, Keep Technologies or ANCEL BM200?
Do Keep Technologies or ANCEL BM200 have ads?
Which is updated more often, Keep Technologies or ANCEL BM200?
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