# SolarAssistant vs EG4 Connect

The clearest difference is rating: EG4 Connect at 2.8 against SolarAssistant's 1.0. EG4 Connect also leads on review sentiment (35% vs 0%) and ratings volume (23 vs 4). SolarAssistant's advantage is update cadence (every 11 days vs every 2 months) and iOS requirement (9.0 vs 15.0). 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.

EG4 Connect holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: EG4 Connect has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of SolarAssistant's written reviews are positive against 35% of EG4 Connect's.

SolarAssistant ships an update every 11 days, EG4 Connect every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SolarAssistant | EG4 Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/solarassistant/id1123555800/reviews) | **[2.8 (23 ratings)](https://appshunter.io/ios/app/eg4-connect/id6752791573/reviews)** |
| Number of ratings | 4 | **23** |
| Positive reviews | 0.0% of reviews | **35.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 12 MB | 38 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [易事特集团股份有限公司](https://appshunter.io/developer/1036040326) | [EG4 Electronics](https://appshunter.io/developer/1840964233) |

## What reviewers say

### SolarAssistant

[App page](https://appshunter.io/ios/app/solarassistant/id1123555800)

This app connects to solar inverters via Bluetooth or WiFi for maintenance. It allows real-time monitoring of alarms, configuration parameters, and device health history. Quickly locate faults and enhance operational efficiency.

**Highlights:** Bluetooth/WiFi inverter connection, Real-time alarm monitoring, Configuration parameter access, Log downloading, Fault location and management, Device health history query

**Features:** macOS Compatibility

**In-app purchases:** none


### EG4 Connect

[App page](https://appshunter.io/ios/app/eg4-connect/id6752791573)

Monitor the status, running data, and events of your solar and energy storage systems. This application provides real-time insights into your energy infrastructure.

**Highlights:** Monitor system status, View running data, Track events, Energy storage system insights, Solar system monitoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SolarAssistant free?

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

### Is EG4 Connect free?

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

### Which has better reviews, SolarAssistant or EG4 Connect?

EG4 Connect is rated higher. SolarAssistant averages 1.0 out of 5 from 4 ratings, while EG4 Connect averages 2.8 from 23 ratings.

### Do SolarAssistant or EG4 Connect have ads?

Neither SolarAssistant nor EG4 Connect shows ads.

### Which is updated more often, SolarAssistant or EG4 Connect?

SolarAssistant ships an update every 11 days, and EG4 Connect every 2 months. Most recently, SolarAssistant was updated on October 24, 2026 and EG4 Connect on October 21, 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.*