# Super B vs Overkill Solar

The clearest difference is review sentiment: Overkill Solar at 100% against Super B's 27%. Overkill Solar also leads on device support (3 vs 1) and iOS requirement (13.4 vs 16.6). On price, update cadence, 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.

Super B ships an update every 3 months, Overkill Solar every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Super B | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | 26.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 33 MB | 21 MB |
| Requires iOS | 16.6 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Super B](https://appshunter.io/developer/1255206497) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### Super B

[App page](https://appshunter.io/ios/app/super-b-be-in-charge/id1607670204)

Monitor your Epsilon battery status in real-time, including voltage, current, power, and state of charge. Plan your off-grid time accurately and receive notifications for firmware updates. This app provides essential insights for managing your battery's performance.

**Highlights:** Real-time battery status monitoring, Voltage, current, and power insights, State of charge estimation, Off-grid duration prediction, Firmware update notifications, Support for Epsilon 90Ah batteries

**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 Super B free?

Super B is free to download, with no in-app purchases.

### Is Overkill Solar free?

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

### Do Super B or Overkill Solar have ads?

Neither Super B nor Overkill Solar shows ads.

### Which is updated more often, Super B or Overkill Solar?

Super B ships an update every 3 months, and Overkill Solar every 4 months. Most recently, Super B was updated on November 3, 2026 and Overkill Solar on November 3, 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.*