WONDER onSITE vs WindPower
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
WONDER onSITE
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WONDER onSITE wind turbine inspection tool to be used in conjunction with the WONDERv3 windpark management software
WindPower
This app provides technicians and professionals in the wind energy sector with direct oversight of wind turbines in Germany. It offers tools for searching turbines, detailed weather forecasts, documentation, and safety checks to simplify daily work.
- Search 37,000+ wind turbines
- 14-day weather forecast per turbine
- Favorites and search history
- Photo documentation and safety checks
- Last Minute Risk Analyses (LMRA)
- Nm converter
- Nearby points of interest
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With WindPower, you have direct oversight of 37,000 wind turbines across Germany โ in an app specifically developed for technicians and professionals in the wind energy sector to make daily work simpler and more efficient. The subscription starts with a free trial month and then becomes a paid subscription. **Easy Wind Turbine Search** Find virtually any wind turbine quickly and precisely by name or keywords and get a comprehensive preview on the map. Information such as manufacturer, type, commissioning date, location, hub height, rotor diameter, rated power, and current weather data are displayed โ all without registration and completely anonymously. **14-Day Weather Forecast** Plan your deployment with a detailed 14-day weather forecast, specifically tailored for each wind turbine in Germany. This way, you always keep an eye on the weather conditions at the deployment site on a weekly, daily, and hourly basis. **Favorites & Search History** Save preferred wind turbines as favorites and quickly access the search history to access important locations at any time. **Photo Documentation & Safety Checks** Document maintenance work with the convenient photo feature and perform Last Minute Risk Analyses (LMRA). Create PDF documentations directly in the app and ensure comprehensive safety. **Other Useful Features:** - **Nm Converter:** Accurately calculate the necessary torque. - **Interesting Places Nearby:** Find nearby hotels, gas stations, and other facilities for your team. Using this app requires an active subscription. The subscription starts with a free trial month and then becomes a paid subscription. The current price is displayed directly in the app. WindPower โ your reliable everyday assistant in wind energy. Download now and experience how straightforward and efficient your work can be!
Screenshots
Verdict
The clearest difference is in-app purchases: WONDER onSITE at none against WindPower's 1. WONDER onSITE also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (15.0 vs 18). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. WindPower sells 1 in-app purchase, starting at $2.99 per month. WONDER onSITE asks for nothing beyond the download.
WONDER onSITE ships an update fortnightly, WindPower every 4 months. The most recent releases landed on September 24, 2026 and June 8, 2026 respectively.
| Parameter | WONDER onSITE | WindPower |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 50.0% of reviews |
| Update frequency | Fortnightly โ better | Every 4 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Subscription |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.0 โ better | 18 |
| Further details โ not scored | ||
| Size | 27 MB | 8 MB |
| Age rating | 4+ | 17+ |
| Developer | Deutsche WindGuard Systems GmbH | Christian Schlee |
In-app purchases
WONDER onSITE
No in-app purchases
WindPower
- Full access1 Month trial$2.991 Month
Questions
Is WONDER onSITE free?
Is WindPower free?
Do WONDER onSITE or WindPower have ads?
Which is updated more often, WONDER onSITE or WindPower?
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