# OpticsRE vs EG4 EX

The clearest difference is rating: EG4 EX at 3.0 against OpticsRE's 1.6. EG4 EX also leads on update cadence (every 2 weeks vs every 7 months) and iOS requirement (11.0 vs 13.0). OpticsRE's advantage is ratings volume (38 vs 2). 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 EX holds the better App Store score, 3.0 against 1.6. That said, the two scores are not equally well evidenced: OpticsRE has 38 ratings behind it against 2, so its average is the more settled of the two.

OpticsRE ships an update every 7 months, EG4 EX every 2 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OpticsRE | EG4 EX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (38 ratings)](https://appshunter.io/ios/app/opticsre/id1624617287/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/eg4-ex/id6449516447/reviews)** |
| Number of ratings | **38** | 2 |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 91 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alpha Technologies, Inc.](https://appshunter.io/developer/1123884269) | [Naveen Tera](https://appshunter.io/developer/1683496893) |

## 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 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 OpticsRE free?

OpticsRE 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, OpticsRE or EG4 EX?

EG4 EX is rated higher. OpticsRE averages 1.6 out of 5 from 38 ratings, while EG4 EX averages 3.0 from 2 ratings.

### Do OpticsRE or EG4 EX have ads?

Neither OpticsRE nor EG4 EX shows ads.

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

OpticsRE ships an update every 7 months, and EG4 EX every 2 weeks. Most recently, OpticsRE was updated on October 13, 2026 and EG4 EX on October 5, 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.*