KL Serials vs ANCEL BM200
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KL Serials
This utility app measures various electrical parameters like voltage, current, and power. It also offers multiple protection functions, including over-voltage, over-current, and over-temperature alerts, while monitoring battery capacity in real-time.
- Measures voltage, current, power, and capacity
- Monitors watt-hours and time
- Over-voltage protection
- Over-current protection
- Over-temperature protection
- Real-time battery capacity monitoring
- Automatic current direction identification
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The KL-F series volt-ampere meter is a new type of coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hours, and time. At the same time, it can also set parameters to achieve over-voltage protection, under-voltage protection, Multiple protection functions such as over current protection, over power protection, and over temperature protection. The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time.
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 rating: KL Serials at 4.5 against ANCEL BM200's 3.4. KL Serials also leads on iOS requirement (9.0 vs 15.6). ANCEL BM200's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (30 vs 2). On price, ads, in-app purchases and monetization model 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.
KL Serials holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: ANCEL BM200 has 30 ratings behind it against 2, so its average is the more settled of the two.
KL Serials ships an update every 3 months, ANCEL BM200 every 3 weeks. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.
| Parameter | KL Serials | ANCEL BM200 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | 3.4 (30 ratings) |
| Positive reviews | — | 45.5% of reviews |
| Number of ratings | 2 | 30 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 29 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Junce Instruments Co., Ltd. | OBDSPACE TECHNOLOGY CO.,LTD |
Customer experience
KL Serials
ANCEL BM200
In-app purchases
KL Serials
No in-app purchases
ANCEL BM200
No in-app purchases
