Wind Power Calculator vs WilderGuide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Estimate available wind power
- Calculate power based on key factors
- Understand wind velocity impact
- Calculate year-round energy generation
- Unlock wind energy potential
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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.
WilderGuide
This app provides offline access to survival guides, maps, and information feeds. It allows users to create and track personal guides, save locations on maps, and share information quickly. Designed for preparedness and organization, it works without an internet connection after initial setup.
- Step-by-step offline guides
- Offline maps with custom locations
- Live information feeds
- Guided execution mode
- Personal guide creation
- Progress tracking
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WilderGuide is a structured offline field manual designed to help you stay prepared, organized, and informed wherever you are. It brings together step-by-step guides, offline maps, real-time information feeds, and personal tools into one unified experience focused on clarity and usability. STEP-BY-STEP GUIDES Access a curated library of practical guides organized into clear categories. Each guide is broken into structured steps with materials, notes, and progress tracking—so you can follow along easily and stay organized. OFFLINE MAPS Download regional map packs and access them without internet. Save custom locations, label important spots, and navigate confidently even when connectivity is limited. LIVE INFORMATION FEEDS Stay updated with global events through integrated feeds from trusted sources. Location-aware filtering highlights relevant updates near you. GUIDED EXECUTION MODE Follow guides in a focused, step-by-step format with clear navigation, timers where needed, and completion tracking. PERSONAL LIBRARY Save guides, track your progress, and build your own custom collections. Create your own step-by-step guides with notes, materials, and media—all stored locally on your device. QUICK SHARE Easily share your current location or important information with a trusted contact when needed. OFFLINE-FIRST DESIGN Your data stays on your device. Core features—including guides, maps, saved items, and notes—work without internet after initial setup. KEY FEATURES • Structured step-by-step guides • Offline maps with custom markers • Real-time global information feeds • Personal guide creation and organization • Progress tracking and completion system • Local storage with backup and restore options DESIGNED FOR Travelers, outdoor users, planners, and anyone who values preparation, organization, and reliable access to information. WilderGuide helps you stay ready, informed, and in control—wherever you go.
Screenshots
Verdict
The clearest difference is price: WilderGuide at Free against Wind Power Calculator's $2.99. WilderGuide also leads on update cadence (every 5 weeks vs every 29 months). Wind Power Calculator's advantage is iOS requirement (13 vs 15.0). 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
WilderGuide 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.
On the App Store both sit at effectively the same score — 5.0 for Wind Power Calculator against 5.0 for WilderGuide. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Wind Power Calculator ships an update every 29 months, WilderGuide every 5 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.
| Parameter | Wind Power Calculator | WilderGuide |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 29 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Nitrio | KheniTech |
Customer experience
Wind Power Calculator
WilderGuide
In-app purchases
Wind Power Calculator
No in-app purchases
WilderGuide
No in-app purchases
Questions
Is Wind Power Calculator free?
Is WilderGuide free?
Which has better reviews, Wind Power Calculator or WilderGuide?
Do Wind Power Calculator or WilderGuide have ads?
Which is updated more often, Wind Power Calculator or WilderGuide?
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