# Overkill Solar vs BigBattery Husky 2

The clearest difference is rating: BigBattery Husky 2 at 5.0 against Overkill Solar's 4.8. BigBattery Husky 2 also leads on update cadence (every 5 weeks vs every 4 months). Overkill Solar's advantage is ratings volume (21 vs 2). On price, review sentiment, 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.

BigBattery Husky 2 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Overkill Solar has 21 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Overkill Solar ships an update every 4 months, BigBattery Husky 2 every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Overkill Solar | BigBattery Husky 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bigbattery-husky-2/id6746127282/reviews)** |
| Number of ratings | **21** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 9 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Big Battery](https://appshunter.io/developer/1714303992) |

## 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


### BigBattery Husky 2

[App page](https://appshunter.io/ios/app/bigbattery-husky-2/id6746127282)

Monitor and manage your portable energy system with real-time diagnostics. Track voltage, temperature, current, and power with clear visuals and reliable Bluetooth connectivity. Ideal for various applications, from RVs to job sites, ensuring uninterrupted power and system health.

**Highlights:** Real-time diagnostics (voltage, temp, current, power), Color-coded gauges and tables, Bluetooth 5.0 connectivity (up to 100 ft), One-swipe health check dashboard, Cycle count and remaining capacity display, Fault alerts, Touch-optimized interface

**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 BigBattery Husky 2 free?

BigBattery Husky 2 is free to download, with no in-app purchases.

### Which has better reviews, Overkill Solar or BigBattery Husky 2?

BigBattery Husky 2 is rated higher. Overkill Solar averages 4.8 out of 5 from 21 ratings, while BigBattery Husky 2 averages 5.0 from 2 ratings.

### Do Overkill Solar or BigBattery Husky 2 have ads?

Neither Overkill Solar nor BigBattery Husky 2 shows ads.

### Which is updated more often, Overkill Solar or BigBattery Husky 2?

Overkill Solar ships an update every 4 months, and BigBattery Husky 2 every 5 weeks. Most recently, Overkill Solar was updated on November 3, 2026 and BigBattery Husky 2 on October 30, 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.*