Comparison

Wind Power Calculator vs Mini EMS

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

Mini EMS

Monitor and manage your photovoltaic inverter system remotely. Configure Wi-Fi connections, view power station performance, and access equipment details. Receive real-time alerts and perform remote operations for optimal system management.

Highlights
  • WIFI configuration for PV inverters
  • Login and power station list display
  • View equipment running status and generation
  • Power station and equipment information overview
  • Equipment operation flow chart
  • Daily power plant record with error/warning info
  • Remote settings and operations
Features
Read full description

The company develops and produces photovoltaic inverter equipment by itself. In order for customers to use the company's products more conveniently, it develops a set of remote energy real-time management system, and also develops an app based on mobile phone operation, which is convenient for customers to view photovoltaic inverters at any time. The core functions of the App are as follows: WIFI configuration: complete the configuration of connecting the PV inverter to WIFI. After the WiFi configuration is successful, the PV inverter connects to the remote energy real-time management system and uploads data; login function: the customer enters the user name and Password, after successful login, enter the power station list display interface; power station list: users can view the equipment running status, total power generation and total revenue under each power station; power station overview: overview of power station information and equipment information, including power generation, Current power, CO2 emission reduction, total power generation and other information; equipment operation flow chart: display the information of machine operation, display the basic information such as the model and version number of the machine, and select different machine operating status display through different serial numbers; Power Plant Daily Record: Users can view the latest error/warning information. You can view the time when the event occurred in the power station, the device serial number, event name and other information; remote settings: divided into basic settings, working mode settings, reset wifi, restart the machine, activate the battery function, the user can according to their own needs The selected machine Online remote operation;

Screenshots

Wind Power Calculator4 screens
Mini EMS3 screens

Verdict

The call

The clearest difference is price: Mini EMS at Free against Wind Power Calculator's $2.99. Mini EMS also leads on update cadence (every 3 weeks vs every 29 months). On rating, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Mini EMS 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Wind Power Calculator against 5.0 for Mini EMS. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Wind Power Calculator ships an update every 29 months, Mini EMS every 3 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 6 level
Wind Power Calculator versus Mini EMS: the parameters behind the verdict, then further details
ParameterWind Power CalculatorMini EMS
Price$2.99Free — better
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 29 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS1313.0
Further details — not scored
Size1 MB37 MB
Age rating4+17+
DeveloperNitrio英 张

Customer experience

Wind Power Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Mini EMS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Wind Power Calculator

No in-app purchases

None

Mini EMS

No in-app purchases

Questions

Is Wind Power Calculator free?
Wind Power Calculator costs $2.99, with no in-app purchases.
Is Mini EMS free?
Mini EMS is free to download, with no in-app purchases.
Which has better reviews, Wind Power Calculator or Mini EMS?
Wind Power Calculator and Mini EMS are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Wind Power Calculator or Mini EMS have ads?
Neither Wind Power Calculator nor Mini EMS shows ads.
Which is updated more often, Wind Power Calculator or Mini EMS?
Wind Power Calculator ships an update every 29 months, and Mini EMS every 3 weeks. Most recently, Wind Power Calculator was updated on September 15, 2026 and Mini EMS on September 14, 2026.

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