OpticsRE vs Unitopia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpticsRE
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.
- Connect with OutBack devices
- View energy use and production
- Access historical performance data
- Receive email notifications
- Remote control access
- Eliminate site visits
Read full descriptionHide full description
OPTICS RE is an intelligent platform for users of OutBack power conversion systems, as it allows them to connect with OutBack products (Mojave, AXS Port, Mate3 family, RoseWater) and view important information about their system's energy use and production, as well as historical performance and event data. It also provides email & mobile notifications* and alerts, allowing for remote control access, which can help eliminate unnecessary site visits. With OPTICS RE, users can use any internet-connected device to monitor and control their OutBack power conversion systems remotely, providing convenience and flexibility. * Mobile Push Notifications only available for Mojave systems at this time. Features: Connect with Mojave, AXS Port, Mate3 Family, and RoseWater internet connected devices View energy use and production Historical performance and event data Email notifications and alerts Mobile push notifications for Mojave systems Remote control access Eliminate unnecessary site visits If you have any questions or suggestions? Please contact our support team: Customer support: https://www.outbackpower.com/resources/technical-support/support-center Privacy policy: https://www.outbackpower.com/about-outback/policies-and-notices/privacy-policy Technical support: https://www.outbackpower.com/resources/technical-support/support-center
Unitopia
This utility app simplifies unit conversions with an extensive database and an intuitive interface. It offers scientific precision for everyday tasks and professional applications, even working offline.
- Effortless unit conversion
- Extensive unit database
- Intuitive user interface
- Scientific precision
- Offline functionality
- Global compatibility
Read full descriptionHide full description
Are you tired of fumbling through countless conversion tables and equations when you need to switch between units? Say goodbye to the hassle, and welcome Unitopia into your life! Key Features: Effortless Unit Conversion: Unitopia is your go-to app for swift and accurate unit conversions. Whether you're working on a science project, cooking up a storm in the kitchen, or planning an international trip, our app has you covered. Extensive Unit Database: We've got a vast database of units for you to choose from. Whether it's length, weight, temperature, volume, or even time, Unitopia has it all. Intuitive User Interface: Our user-friendly interface makes unit conversion a breeze. Simply select your input and output units, enter the value, and watch Unitopia work its magic. Scientific Precision: Our app ensures precision and accuracy in every conversion, making it ideal for both everyday use and professional applications. Offline: Convert units even when you're offline. No need to worry about internet access while traveling. Global Compatibility: Unitopia supports a wide range of units from different measurement systems, making it a global companion for users worldwide. Upgrade your unit conversion experience with Unitopia and simplify your daily tasks. Download now and see how it can save you time and effort!
Screenshots
Verdict
The clearest difference is review sentiment: Unitopia at 100% against OpticsRE's 8%. Unitopia also leads on rating (5.0 vs 1.6). OpticsRE's advantage is ratings volume (38 vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Unitopia holds the better App Store score, 5.0 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. Written reviews point the same way: 8% of OpticsRE's written reviews are positive against 100% of Unitopia's.
OpticsRE ships an update every 7 months, Unitopia every 5 months. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.
| Parameter | OpticsRE | Unitopia |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (38 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 8.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 38 — better | 2 |
| Update frequency | Every 7 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Alpha Technologies, Inc. | Justin Hold |
Customer experience
OpticsRE
Unitopia
In-app purchases
OpticsRE
No in-app purchases
Unitopia
No in-app purchases
