# Overkill Solar vs EG4 EX

The clearest difference is rating: Overkill Solar at 4.7 against EG4 EX's 3.0. Overkill Solar also leads on ratings volume (16 vs 2). EG4 EX's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (11.0 vs 13.4). 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.

Overkill Solar holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 2, so its average is the more settled of the two.

Overkill Solar ships an update every 4 months, EG4 EX every 2 weeks. The most recent releases landed on August 18, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Overkill Solar | EG4 EX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/eg4-ex/id6449516447/reviews) |
| Number of ratings | **16** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 91 MB |
| Requires iOS | 13.4 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Naveen Tera](https://appshunter.io/developer/1683496893) |

## 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


### EG4 EX

[App page](https://appshunter.io/ios/app/eg4-ex/id6449516447)

Monitor your energy storage machine's status in real-time with this mobile application. It offers convenient and quick access to data, featuring clear visualizations of both current and historical information. The software is designed for efficient data transfer, minimizing internet traffic.

**Highlights:** Real-time status monitoring, Historical data display, Data visualization charts, Low internet traffic usage, Multi-dimensional data display

**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 EG4 EX free?

EG4 EX is free to download, with no in-app purchases.

### Which has better reviews, Overkill Solar or EG4 EX?

Overkill Solar is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while EG4 EX averages 3.0 from 2 ratings.

### Do Overkill Solar or EG4 EX have ads?

Neither Overkill Solar nor EG4 EX shows ads.

### Which is updated more often, Overkill Solar or EG4 EX?

Overkill Solar ships an update every 4 months, and EG4 EX every 2 weeks. Most recently, Overkill Solar was updated on August 18, 2026 and EG4 EX on August 26, 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.*