# Overkill Solar vs TRUVALUX

The clearest difference is rating: TRUVALUX at 5.0 against Overkill Solar's 4.8. Overkill Solar's advantage is ratings volume (21 vs 1). 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.

TRUVALUX 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.

Overkill Solar ships an update every 4 months, TRUVALUX every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Overkill Solar | TRUVALUX |
| --- | --- | --- |
| 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/truvalux/id6743929714/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | — |
| Size | 21 MB | 45 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## 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


### TRUVALUX

[App page](https://appshunter.io/ios/app/truvalux/id6743929714)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Overkill Solar free?

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

### Is TRUVALUX free?

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

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

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

### Do Overkill Solar or TRUVALUX have ads?

Neither Overkill Solar nor TRUVALUX shows ads.

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

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