# OpticsRE vs D&D Propane

OpticsRE and D&D Propane are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpticsRE ships an update every 7 months, D&D Propane every 4 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OpticsRE | D&D Propane |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (43 ratings)](https://appshunter.io/ios/app/opticsre/id1624617287/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 20 MB | 56 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alpha Technologies, Inc.](https://appshunter.io/developer/1123884269) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## 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


### D&D Propane

[App page](https://appshunter.io/ios/app/d-and-d-propane/id6444032222)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpticsRE free?

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

### Is D&D Propane free?

D&D Propane is free to download, with no in-app purchases.

### Do OpticsRE or D&D Propane have ads?

Neither OpticsRE nor D&D Propane shows ads.

### Which is updated more often, OpticsRE or D&D Propane?

OpticsRE ships an update every 7 months, and D&D Propane every 4 months. Most recently, OpticsRE was updated on October 24, 2026 and D&D Propane on October 6, 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.*