# eGauge vs OpticsRE

The clearest difference is rating: eGauge at 1.9 against OpticsRE's 1.5. eGauge also leads on review sentiment (33% vs 8%) and update cadence (every 6 weeks vs every 7 months). OpticsRE's advantage is ratings volume (44 vs 9). 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.

eGauge holds the better App Store score, 1.9 against 1.5. Both are backed by a comparable volume of ratings — 9 and 44 respectively. Written reviews point the same way: 33% of eGauge's written reviews are positive against 8% of OpticsRE's.

eGauge ships an update every 6 weeks, OpticsRE every 7 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | eGauge | OpticsRE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (9 ratings)](https://appshunter.io/ios/app/egauge/id1452612472/reviews)** | [1.5 (44 ratings)](https://appshunter.io/ios/app/opticsre/id1624617287/reviews) |
| Number of ratings | 9 | **44** |
| Positive reviews | **33.3% of reviews** | 8.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 9 MB | 20 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eGauge Systems, LLC](https://appshunter.io/developer/1452612471) | [Alpha Technologies, Inc.](https://appshunter.io/developer/1123884269) |

## What reviewers say

### eGauge

[App page](https://appshunter.io/ios/app/egauge/id1452612472)

Access your eGauge devices remotely from your phone or tablet. The app automatically selects the optimal connection, whether local network, cloud, or Bluetooth. It supports multiple devices, favorite lists, and alerts for pending issues.

**Highlights:** Remote device access, Automatic connection selection (LAN, Cloud, Bluetooth), Multiple device management, Favorite and recent device lists, Alerts for pending issues, Firmware upgrade recommendation

**In-app purchases:** none


### 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


## Frequently asked questions

### Is eGauge free?

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

### Is OpticsRE free?

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

### Which has better reviews, eGauge or OpticsRE?

eGauge is rated higher. eGauge averages 1.9 out of 5 from 9 ratings, while OpticsRE averages 1.5 from 44 ratings.

### Do eGauge or OpticsRE have ads?

Neither eGauge nor OpticsRE shows ads.

### Which is updated more often, eGauge or OpticsRE?

eGauge ships an update every 6 weeks, and OpticsRE every 7 months. Most recently, eGauge was updated on November 2, 2026 and OpticsRE on November 3, 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.*