ANCEL BM200 vs Overkill Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Overkill Solar
This app connects to a solar battery management system to provide detailed monitoring and control. Users can track cell voltage, capacity, current, and manage charging/discharging ports. It also offers advanced configuration options for calibration, balancing, and protection settings.
- Monitor cell voltage and capacity
- Control charging and discharging ports
- Calibrate voltage and current
- Configure balancer and protection values
- Log voltage, current, and power
- Monitor BMS alarms and temperature
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Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the charging and discharging ports on or off. Features: - change bluetooth advertising name - unlock hardware protected BMS - save or load BMS configurations - calibrate cells voltage and charging or discharging current - log maximum or minimum voltage, current and power - enable and configure the balancer - modify the capacity settings - monitor temperature - monitor BMS alarms - import and export .fig files - set level 2 and 3 advanced protection values
Screenshots
Verdict
The clearest difference is review sentiment: Overkill Solar at 100% against ANCEL BM200's 45%. Overkill Solar also leads on rating (4.8 vs 3.4) and iOS requirement (13.4 vs 15.6). ANCEL BM200's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases 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.
Overkill Solar holds the better App Store score, 4.8 against 3.4. Both are backed by a comparable volume of ratings — 30 and 21 respectively. Written reviews point the same way: 45% of ANCEL BM200's written reviews are positive against 100% of Overkill Solar's.
ANCEL BM200 ships an update every 3 weeks, Overkill Solar every 4 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | ANCEL BM200 | Overkill Solar |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (30 ratings) | 4.8 (21 ratings) — better |
| Positive reviews | 45.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 30 — better | 21 |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.4 — better |
| Further details — not scored | ||
| Size | 30 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | OBDSPACE TECHNOLOGY CO.,LTD | Overkill Solar LLC |
Customer experience
ANCEL BM200
Overkill Solar
In-app purchases
ANCEL BM200
No in-app purchases
Overkill Solar
No in-app purchases
