THEOREM CONCEPTS vs Redback
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
THEOREM CONCEPTS
This application functions as a remote control specifically for recliners. It allows users to operate their compatible recliner chairs directly from their iPhone or iPod.
- Recliner remote control
- iPhone and iPod compatible
- Dedicated recliner operation
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REMOTE CONTROL FOR RECLINERS ONLY.
Redback
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The Redback app lets you stay connected to and monitor your Redback solar or battery storage system, whether you are at home or on the go. With the Redback app, in real time you can: - see how much energy your solar panels are producing and the current levels of storage in your batteries (when connected) - determine the amount of energy you are either buying or selling to or from the grid - view your monthly data from the last two years - view your daily data from the last two weeks - easily check that your system is operating correctly Get the most from your Redback system with this easy-to-use MyRedback app.
Screenshots
Verdict
The clearest difference is update cadence: Redback at every 2 weeks against THEOREM CONCEPTS's every 9 months. On price, ads, in-app purchases and device support 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.
THEOREM CONCEPTS ships an update every 9 months, Redback every 2 weeks. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.
| Parameter | THEOREM CONCEPTS | Redback |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 9 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 43 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | THEOREM Pty Ltd | Redback Technologies |
In-app purchases
THEOREM CONCEPTS
No in-app purchases
Redback
No in-app purchases
