DMS4 vs Skylark Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DMS4
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DMS4 allows EWT customers to monitor the performance of their turbine portfolio with secure user access control. Users can monitor all their wind parks via the HOME section. Selecting a wind park takes the user to the PARK section which shows the operational status, power and wind speed of all turbines in the park, and provides park level reports of daily energy production and availability, downloadable in MS Excel format. Selecting a turbine takes the user to the TURBINE section where live operational data are displayed via a state-of-the-art graphical user interface or dashboard, as well as turbine-level reporting, downloadable in MS Excel format. Turbine alarms and warnings are visible as notifications in all sections. Once the app is installed on a device, the user must be registered on EWT's server before a login is possible. Contact EWT for registration.
Skylark Control
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Skylark control is a revolutionary new asset management and control system for the renewable energy sector.
Screenshots
Verdict
The clearest difference is update cadence: Skylark Control at every 6 weeks against DMS4's every 6 months. DMS4's advantage is iOS requirement (12.0 vs 15.0). 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.
DMS4 ships an update every 6 months, Skylark Control every 6 weeks. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.
| Parameter | DMS4 | Skylark Control |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | EWT IP B.V. | Skylark Control LTD |
In-app purchases
DMS4
No in-app purchases
Skylark Control
No in-app purchases
