Calpak VBus®Touch vs OPTIMISER POWER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calpak VBus®Touch
Visualize your solar energy production with detailed charts and diagrams. Monitor heat gained and temperature progression to understand your system's performance. Requires a compatible controller and internet connection.
- Solar yield visualization
- Hydraulic scheme display
- Temperature progression chart
- Modular add-ons for extended features
- Real-time performance monitoring
Read full descriptionHide full description
The Calpak-VBus®Touch app makes solar yield visible. In addition to a hydraulic scheme and a temperature progression chart, the solar heat gained will also be displayed. To visualise an individual system with VBus®Touch, a controller equipped with a VBus® interface and connected to the Internet by means of a Datalogger or Communication module is required. The basic version of the VBus®Touch app is available free of charge. Extended features will be available as modular add-ons which the user can individually combine.
OPTIMISER POWER
Read full descriptionHide full description
OPTIMISER POWER, Photon Solar's Data Cloud Center, is used to display the generating data of every solar module, summarize the power and energy yield, and manage the entire solar system. Functions: 1. Dynamically display the status of entire PV power station and every module in real time 2. Promptly locate the system failure and inform user by email or short message 3. Remotely deactivate the optimizers for maintenance or emergency purposes 4. Multi terminal login: PC, PAD and smart phone 5. Historical data query, big data analysis and automatical chart report
Screenshots
Verdict
The clearest difference is iOS requirement: Calpak VBus®Touch at 9.0 against OPTIMISER POWER's 13.0. 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.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.
| Parameter | Calpak VBus®Touch | OPTIMISER POWER |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 48 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | RESOL GmbH | Khalid BEY |
In-app purchases
Calpak VBus®Touch
No in-app purchases
OPTIMISER POWER
No in-app purchases
Questions
Is Calpak VBus®Touch free?
Is OPTIMISER POWER free?
Do Calpak VBus®Touch or OPTIMISER POWER have ads?
Which is updated more often, Calpak VBus®Touch or OPTIMISER POWER?
Other comparisons
