Comparison

Wind Power Calculator vs KSTAR Sync

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Wind Power Calculator

Estimate the power output of a windmill using key factors like air density, windmill efficiency, cross-sectional area, and wind velocity. Understand how wind speed significantly impacts energy generation and calculate year-round energy production for informed decisions.

Highlights
  • Estimate available wind power
  • Calculate power based on key factors
  • Understand wind velocity impact
  • Calculate year-round energy generation
  • Unlock wind energy potential
Features
Read full description

Wind Power Calculator helps estimate the available power generated by a windmill based on several key factors. The formula for available power in the wind is expressed as: Pa = 1/2 ξ ρ A v^3 Where: P = power (W) ρ = air density (kg/m^3) ξ = windmill efficiency (typically below 0.4 or 40%) A = cross-sectional area perpendicular to the wind (m^2) v = wind velocity (m/s) Keep in mind that air density decreases with temperature and altitude, but the most significant factor in power generation is wind velocity. A mere 20% increase in wind velocity can boost power generation by a remarkable 73%. The energy produced by a windmill depends on the power generation, as outlined above, and the frequency of wind speeds at the specific location—referred to as the 'wind speed frequency distribution.' To calculate the total energy generated over a year, you need to sum the power generation for all wind velocities (from the windmill's cut-in speed to its shut-down speed) and multiply it by the hours the wind blows at those speeds. Maximize your wind energy potential and gain insights into year-round energy generation. With Wind Power Calculator, you can unlock the true potential of wind power and make informed decisions for a sustainable future. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

KSTAR Sync

Features
Read full description

Designed for energy system managers, O&M engineers, and power users, our app simplifies the complexities of power station monitoring and maintenance. Stay seamlessly connected to your assets and take full control, no matter where you are. Key Features: Comprehensive Real-Time Monitoring All-in-One Dashboard: Get a complete overview of all critical data, including power generation, energy storage status, charging power, and load consumption in one place. Intuitive Visualizations: Instantly understand energy dynamics and operational efficiency with clear trend graphs and power flow diagrams. Smart Alarm Center: Your First Line of Defense Multi-Level Push Alerts: Receive real-time notifications categorized by severity (Emergency, Major, Minor), ensuring you never miss a critical event. Closed-Loop Management: Track the entire lifecycle of an alarm, from detection to resolution, creating a complete and reliable maintenance archive. Historical Analysis: Easily query past alarm records to analyze system weak points and prevent future incidents. Efficient Remote Operations & Control Remote Start/Stop: Control your power station or specific equipment from anywhere, eliminating the need for on-site visits. Flexible Strategy Switching: Instantly switch between operational strategies like "Self-Consumption" or "Time-of-Use Control" with a single tap to maximize your economic returns.

Screenshots

Wind Power Calculator4 screens
KSTAR Sync4 screens

Verdict

The call

The clearest difference is price: KSTAR Sync at Free against Wind Power Calculator's $2.99. KSTAR Sync also leads on update cadence (every 2 weeks vs every 29 months). On ads, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

KSTAR Sync is free to download; Wind Power Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Wind Power Calculator ships an update every 29 months, KSTAR Sync every 2 weeks. Both last shipped on September 15, 2026.

Scorecard2 real differences · 7 level
Wind Power Calculator versus KSTAR Sync: the parameters behind the verdict, then further details
ParameterWind Power CalculatorKSTAR Sync
Price$2.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 29 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13 — better14.0
Further details — not scored
Size1 MB74 MB
Age rating4+4+
DeveloperNitrioShenzhen Kstar Science & Technology Co., Ltd.

In-app purchases

None

Wind Power Calculator

No in-app purchases

None

KSTAR Sync

No in-app purchases

Questions

Is Wind Power Calculator free?
Wind Power Calculator costs $2.99, with no in-app purchases.
Is KSTAR Sync free?
KSTAR Sync is free to download, with no in-app purchases.
Do Wind Power Calculator or KSTAR Sync have ads?
Neither Wind Power Calculator nor KSTAR Sync shows ads.
Which is updated more often, Wind Power Calculator or KSTAR Sync?
Wind Power Calculator ships an update every 29 months, and KSTAR Sync every 2 weeks. Most recently, Wind Power Calculator was updated on September 15, 2026 and KSTAR Sync on September 15, 2026.

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