# Overkill Solar vs Berger LFP

The clearest difference is review sentiment: Overkill Solar at 100% against Berger LFP's 9%. Overkill Solar also leads on ratings volume (21 vs 1). Berger LFP's advantage is update cadence (every 5 days vs every 4 months) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Berger LFP 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 1, so its average is the more settled of the two. Written reviews complicate that: 100% of Overkill Solar's written reviews are positive against 9% of Berger LFP's, so the app with the better star average is not the one people write more warmly about.

Overkill Solar ships an update every 4 months, Berger LFP every 5 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Overkill Solar | Berger LFP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/berger-lfp/id6636472802/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | **100.0% of reviews** | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 21 MB | 39 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Fritz Berger GmbH](https://appshunter.io/developer/1636833972) |

## 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


### Berger LFP

[App page](https://appshunter.io/ios/app/berger-lfp/id6636472802)

Wirelessly monitor your LiFePO4 battery's charge capacity and status in real-time. View voltage, current, and receive alerts for warnings and errors. Track cycle life and basic battery information from your mobile device.

**Highlights:** Wireless battery monitoring, Real-time voltage and current tracking, Instant warning and error alerts, Battery management system monitoring, Cycle life tracking, Basic battery information display

**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 Berger LFP free?

Berger LFP is free to download, with no in-app purchases.

### Which has better reviews, Overkill Solar or Berger LFP?

Berger LFP is rated higher. Overkill Solar averages 4.8 out of 5 from 21 ratings, while Berger LFP averages 5.0 from 1 ratings.

### Do Overkill Solar or Berger LFP have ads?

Neither Overkill Solar nor Berger LFP shows ads.

### Which is updated more often, Overkill Solar or Berger LFP?

Overkill Solar ships an update every 4 months, and Berger LFP every 5 days. Most recently, Overkill Solar was updated on October 24, 2026 and Berger LFP on October 20, 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.*