# OpticsRE vs EG4 Connect

The clearest difference is rating: EG4 Connect at 2.8 against OpticsRE's 1.5. EG4 Connect also leads on review sentiment (35% vs 8%) and update cadence (every 2 months vs every 7 months). OpticsRE's advantage is iOS requirement (13.0 vs 15.0). 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.

EG4 Connect holds the better App Store score, 2.8 against 1.5. Both are backed by a comparable volume of ratings — 43 and 24 respectively. Written reviews point the same way: 8% of OpticsRE's written reviews are positive against 35% of EG4 Connect's.

OpticsRE ships an update every 7 months, EG4 Connect every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | OpticsRE | EG4 Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (43 ratings)](https://appshunter.io/ios/app/opticsre/id1624617287/reviews) | **[2.8 (24 ratings)](https://appshunter.io/ios/app/eg4-connect/id6752791573/reviews)** |
| Number of ratings | **43** | 24 |
| Positive reviews | 8.3% of reviews | **35.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 20 MB | 38 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alpha Technologies, Inc.](https://appshunter.io/developer/1123884269) | [EG4 Electronics](https://appshunter.io/developer/1840964233) |

## What reviewers say

### OpticsRE

[App page](https://appshunter.io/ios/app/opticsre/id1624617287)

Monitor and control OutBack power conversion systems remotely. View energy use, production, and historical data. Receive email and mobile notifications for alerts and system events.

**Highlights:** Connect with OutBack devices, View energy use and production, Access historical performance data, Receive email notifications, Remote control access, Eliminate site visits

**In-app purchases:** none

**What reviewers like**

- 👍 App finally supports Radian Series (v2.0)
- 👍 App finally supports Mate3s family (v2.0)
- 👍 Can see home/system data via app (when working)

**What reviewers complain about**

- 🐛 App frequently fails to sign on/login
- 🐛 App is not user-friendly or easy to use
- 🐛 App is unreliable and often non-functioning
- 🐛 Google sign-in does not provide a password for app
- 🐛 App hangs on login screen

**Reported bugs**

- Impossible to sign on at times
- App will not work without a password when using Google sign-in
- App is non-functioning
- "Something went wrong please try again" error on login
- App hangs on login screen

**Requested features**

- Update system list to include Radian Series (historical)
- Improve app stability and reliability
- Fix login issues
- Provide better communication regarding outages
- Make app user-friendly


### 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 OpticsRE free?

OpticsRE 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, OpticsRE or EG4 Connect?

EG4 Connect is rated higher. OpticsRE averages 1.5 out of 5 from 43 ratings, while EG4 Connect averages 2.8 from 24 ratings.

### Do OpticsRE or EG4 Connect have ads?

Neither OpticsRE nor EG4 Connect shows ads.

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

OpticsRE ships an update every 7 months, and EG4 Connect every 2 months. Most recently, OpticsRE was updated on October 24, 2026 and EG4 Connect on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*