# Overkill Solar vs JBD BMS

The clearest difference is review sentiment: Overkill Solar at 100% against JBD BMS's 23%. Overkill Solar also leads on rating (4.7 vs 3.1) and iOS requirement (13.4 vs 15.0). JBD BMS'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, 4.7 against 3.1. Both are backed by a comparable volume of ratings — 16 and 26 respectively. Written reviews point the same way: 100% of Overkill Solar's written reviews are positive against 23% of JBD BMS's.

Overkill Solar ships an update every 4 months, JBD BMS every 3 weeks. The most recent releases landed on August 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Overkill Solar | JBD BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** | [3.1 (26 ratings)](https://appshunter.io/ios/app/jbd-bms/id6479194416/reviews) |
| Number of ratings | 16 | **26** |
| Positive reviews | **100.0% of reviews** | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 40 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Dongguan Jiabaida Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1420560982) |

## What reviewers say

### 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


### JBD BMS

[App page](https://appshunter.io/ios/app/jbd-bms/id6479194416)

Monitor and control lithium batteries in real-time via Bluetooth or WiFi. View historical data, manage charge/discharge, and update device firmware. Device sharing and language switching are also available.

**Highlights:** Real-time battery status monitoring, Historical data graphs, Charge and discharge control, Device management, Firmware upgrades, Bluetooth/WiFi connectivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Overkill Solar free?

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

### Is JBD BMS free?

JBD BMS is free to download, with no in-app purchases.

### Which has better reviews, Overkill Solar or JBD BMS?

Overkill Solar is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while JBD BMS averages 3.1 from 26 ratings.

### Do Overkill Solar or JBD BMS have ads?

Neither Overkill Solar nor JBD BMS shows ads.

### Which is updated more often, Overkill Solar or JBD BMS?

Overkill Solar ships an update every 4 months, and JBD BMS every 3 weeks. Most recently, Overkill Solar was updated on August 18, 2026 and JBD BMS on September 23, 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.*