# ANCEL BM200 vs Overkill Solar

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.

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.

## The numbers

| Metric | ANCEL BM200 | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (30 ratings)](https://appshunter.io/ios/app/ancel-bm200/id1669132898/reviews) | **[4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | **30** | 21 |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 30 MB | 21 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### 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


### Overkill Solar

[App page](https://appshunter.io/ios/app/overkill-solar/id6444233824)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ANCEL BM200 free?

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

### Is Overkill Solar free?

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

### Which has better reviews, ANCEL BM200 or Overkill Solar?

Overkill Solar is rated higher. ANCEL BM200 averages 3.4 out of 5 from 30 ratings, while Overkill Solar averages 4.8 from 21 ratings.

### Do ANCEL BM200 or Overkill Solar have ads?

Neither ANCEL BM200 nor Overkill Solar shows ads.

### Which is updated more often, ANCEL BM200 or Overkill Solar?

ANCEL BM200 ships an update every 3 weeks, and Overkill Solar every 4 months. Most recently, ANCEL BM200 was updated on October 21, 2026 and Overkill Solar on October 24, 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.*