# LiFeBlue vs Overkill Solar

The clearest difference is rating: Overkill Solar at 4.8 against LiFeBlue's 3.9. Overkill Solar also leads on review sentiment (100% vs 67%). LiFeBlue's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (11.0 vs 13.4). 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, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 10 and 21 respectively. Written reviews point the same way: 67% of LiFeBlue's written reviews are positive against 100% of Overkill Solar's.

LiFeBlue ships an update every 2 months, Overkill Solar every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | LiFeBlue | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (10 ratings)](https://appshunter.io/ios/app/lifeblue/id1215165110/reviews) | **[4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | 10 | **21** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 4 MB | 21 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Larry Crutcher](https://appshunter.io/developer/1215165109) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### LiFeBlue

[App page](https://appshunter.io/ios/app/lifeblue/id1215165110)

Connect to and monitor your LiFeBlue Lithium Ion batteries wirelessly. Track cycle life, state of charge, voltage, current, and temperature with easy-to-read gauges and clear text event displays. Save money by using your phone as a battery monitor.

**Highlights:** Wireless connection to batteries, Independent BMS access, Track cycle life, Display State Of Charge (SOC), Monitor voltage, current, and temperature, View battery events

**Features:** macOS Compatibility

**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 LiFeBlue free?

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

### Is Overkill Solar free?

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

### Which has better reviews, LiFeBlue or Overkill Solar?

Overkill Solar is rated higher. LiFeBlue averages 3.9 out of 5 from 10 ratings, while Overkill Solar averages 4.8 from 21 ratings.

### Do LiFeBlue or Overkill Solar have ads?

Neither LiFeBlue nor Overkill Solar shows ads.

### Which is updated more often, LiFeBlue or Overkill Solar?

LiFeBlue ships an update every 2 months, and Overkill Solar every 4 months. Most recently, LiFeBlue was updated on October 24, 2026 and Overkill Solar on October 24, 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.*