Comparison

Pollution vs WindScope,Learn Weather Charts

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

Head to head
About

Pollution

Track real-time air quality and pollution levels in your area. Get detailed pollutant breakdowns, hourly and multi-day forecasts, and health recommendations to make informed decisions about your environment and well-being.

Highlights
  • Real-time Air Quality Index (AQI)
  • Detailed pollutant breakdown
  • Hourly and 4-day forecasts
  • Smart notifications
  • Health recommendations
  • User-friendly design
Features
Read full description

Breathe better and take control of your health with Air Quality Index, the ultimate app for tracking air pollution in your area. Whether you're concerned about your well-being, have respiratory sensitivities, or want to plan outdoor activities, this app delivers accurate and real-time air quality data to keep you informed and prepared. Why Monitor Air Quality? Air pollution can pose serious risks to your health, especially for sensitive groups like children, seniors, and those with asthma or other respiratory conditions. With Air Quality Index, you'll receive the insights you need to make smarter choices, minimize exposure, and live a healthier life. Real-Time Air Quality Index (AQI): Stay updated with a clear and concise AQI scale from 1 (Very Good) to 7 (Hazardous). Detailed Pollutant Breakdown: Get precise data on key pollutants such as PM2.5, PM10, Ozone (O3), Nitrogen Dioxide (NO2), and Sulfur Dioxide (SO2). Hourly and 4-Day Forecasts: Plan your day or week with accurate hourly forecasts and pollution trends. Smart Notifications: Premium users receive daily morning alerts with the expected pollution peak, making it easier to organize outdoor plans. Health Recommendations: Access tailored advice based on current air quality levels to protect yourself and your loved ones. Why Choose Air Quality Index? Accurate and Trusted Data: Powered by reputable sources for reliable real-time updates. User-Friendly Design: Intuitive interface tailored for both beginners and experts. Predictive Insights: Hour-by-hour forecasts to help you stay ahead of changing air conditions. Custom Alerts: Stay informed with personalized notifications based on your location and preferences. How It Works: Use your location or manually select an area to view real-time air quality data. Instantly access a simple AQI score and detailed pollutant levels. Review hourly and multi-day forecasts to plan your activities with confidence. Unlock Premium features for personalized notifications and advanced forecasting tools. Designed with America in Mind: From wildfire-prone states like California and Oregon to high-traffic cities like Chicago and Miami, Air Quality Index is the perfect companion for anyone living in or traveling across the United States. Premium Features: Daily morning notifications with peak pollution alerts. Extended forecasts for planning your week ahead. Ad-free experience for uninterrupted access to vital data. Recommended for: Runners, hikers, cyclists, and outdoor enthusiasts. Parents ensuring safe playtime for their children. People managing asthma, allergies, or other respiratory conditions. Travelers and commuters who want to avoid polluted areas. Eco-conscious individuals tracking environmental changes. Join thousands of Americans using Air Quality Index to breathe smarter, stay healthier, and make informed decisions about their environment. Take charge of your health with reliable, real-time air quality data. Terms of Service: Apple's Terms of Service apply to all subscriptions offered within the app. More information here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

WindScope,Learn Weather Charts

Features
Read full description

Stop guessing. Start understanding the weather. WindScope teaches you to read surface-pressure (isobar) charts the way professional sailors do — then lets you measure the wind yourself. Tap two isobars and instantly see the wind speed and direction from real meteorology (the geostrophic wind equation), with mean and gust, Beaufort force, and a sea-state guide. FREE, for everyone: • Live UK & North Atlantic surface-pressure charts (forecasts to 84 hours, colour + black/white) • Interactive wind measurement with a proper wind barb and an instrument readout • Beaufort scale, gusts, sea state, and kt / m·s / Bft units • “How It Works” guide and guided Practice Mode WINDSCOPE PRO — one-time unlock: • Every chart region, including Atlantic & Europe — covering Scandinavia, the Baltic and the Mediterranean (NOAA Ocean Prediction Center) • Live reality-check: compare your reading to the nearest station’s real observed wind • All future regions, free, forever For sailors, RYA/ASA students, and weather enthusiasts who want to understand the wind — not just read a number off an app. A learning and planning aid — not official, navigation-grade weather data. Always consult official sources for navigation. Charts: © Crown copyright Met Office; NOAA/NWS Ocean Prediction Center (public domain). Observations: NOAA Aviation Weather Center.

Screenshots

Pollution4 screens
WindScope,Learn Weather Charts4 screens

Verdict

The call

The clearest difference is price: Pollution at Free against WindScope,Learn Weather Charts's $0.99. Pollution also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (15.6 vs 17.6). WindScope,Learn Weather Charts's advantage is in-app purchases (none vs 10) and ads (none vs shown). On 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

CostPrice · In-app purchases · Ads · Monetization

Pollution is free to download; WindScope,Learn Weather Charts costs $0.99 up front. Pollution sells 10 in-app purchases, starting at $1.19 per 7 days. WindScope,Learn Weather Charts asks for nothing beyond the download.

UpkeepUpdate frequency

Pollution ships an update every 3 weeks, WindScope,Learn Weather Charts every 4 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
Pollution versus WindScope,Learn Weather Charts: the parameters behind the verdict, then further details
ParameterPollutionWindScope,Learn Weather Charts
PriceFree — better$0.99
Rating4.9 (18 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings18 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.6
Further details — not scored
Size144 MB3 MB
Age rating4+4+
DeveloperStolanappStolk.cc

In-app purchases

10 purchases

Pollution

Subscriptions10
  • Umbrella - Premium$1.197 Days
  • Umbrella - Premium$2.197 Days
  • Air Quality Index - Premium$2.291 Month
Show 7 more
  • Air Quality Premium Discount$3.991 Year
  • Umbrella - Premium$4.291 Month
  • Umbrella - Premium$4.991 Month
  • Air Quality Index - Premium3 Days trial$5.691 Year
  • Umbrella - Premium7 Days trial$5.691 Year
  • Air Quality Index - Premium3 Days trial$11.491 Year
  • Air Quality Index - Premium7 Days trial$11.491 Year
None

WindScope,Learn Weather Charts

No in-app purchases

Questions

Is Pollution free?
Pollution is free to download, with in-app purchases available.
Is WindScope,Learn Weather Charts free?
WindScope,Learn Weather Charts costs $0.99, with no in-app purchases.
Do Pollution or WindScope,Learn Weather Charts have ads?
Pollution shows ads; WindScope,Learn Weather Charts does not.
Which is updated more often, Pollution or WindScope,Learn Weather Charts?
Pollution ships an update every 3 weeks, and WindScope,Learn Weather Charts every 4 months. Most recently, Pollution was updated on September 23, 2026 and WindScope,Learn Weather Charts on September 24, 2026.

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