WBMS vs Overkill Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WBMS
This application connects to intelligent electronic devices to display real-time and historical data. It allows users to export historical data in table format and supports both new and older versions of compatible devices.
- Real-time data display
- Historical data charts
- Export historical data
- Supports new and old devices
- Updated interface design
Read full descriptionHide full description
WBMS 全新APP是沃力斯特智能电子设备(广州)有限公司全新升级软件,全新设计所有页面。新加实时曲线图和历史曲线图以及导出历史曲线表格数据。此APP 是适配全新的新版本库仑计,也可以兼容以前旧版本的库仑计设备。以前旧版本有的功能此APP 还是支持,旧版本上没有的功能此APP 上就不能显示和实现,敬请知悉!
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
Read full descriptionHide full description
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 update cadence: Overkill Solar at every 4 months against WBMS's every 24 months. Overkill Solar also leads on ratings volume (16 vs 1) and iOS requirement (13.4 vs 15.6). WBMS's advantage is rating (5.0 vs 4.7). 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.
WBMS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 1, so its average is the more settled of the two.
WBMS ships an update every 24 months, Overkill Solar every 4 months. The most recent releases landed on September 16, 2026 and October 14, 2026 respectively.
| Parameter | WBMS | Overkill Solar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (16 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 16 — better |
| Update frequency | Every 24 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.4 — better |
| Further details — not scored | ||
| Size | 25 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | WOOLIIS TECHNOLOGY CO., | Overkill Solar LLC |
Customer experience
WBMS
Overkill Solar
In-app purchases
WBMS
No in-app purchases
Overkill Solar
No in-app purchases








