Comparison

HumProbCalc (S) vs Windy.com

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

Head to head
About

HumProbCalc (S)

Features
Read full description

HumProbCalc S helps people who work or live near forests estimate, on the spot and in seconds, two indicators used in wildfire risk assessment: fuel moisture content and ignition probability. Just enter air temperature, relative humidity, sun exposure, terrain slope and the date/time of the observation. The app applies the reference tables and returns the result instantly. Key features: - Fine fuel moisture calculation - Ignition probability calculation - Automatic logging of date, time and location for each calculation - Searchable history, with the option to delete entries - Available in Portuguese, English, Spanish and French - Works offline, no internet connection required This app is a decision-support tool and does not replace official information from your country's civil protection and forestry authorities. In case of fire risk, always follow official guidance.

About

Windy.com

This app offers advanced weather forecasting with over 50 detailed maps and 15 weather models, including live radar, satellite imagery, and hurricane tracking. It provides customizable alerts for storms, wind, and snow, making it ideal for outdoor activities and aviation.

Highlights
  • Live weather radar & satellite
  • Over 50 weather maps
  • 15+ weather models
  • Hurricane tracker
  • Customizable weather alerts
  • Aviation-specific forecasts
  • Air quality index
Features
Read full description

A UNIQUE WEATHER FORECAST VISUALISATION While most weather forecasting apps rely solely on free global models, Windy has gone a step further by investing heavily in the most accurate weather models available, always at the highest possible resolution, to deliver you the most accurate forecasts in the world. LIVE WEATHER APP - WEATHER RADAR & SATELLITE (Now with Precipitation Type & Lightning tracker) Radar is a highly valued tool for weather forecasting. To provide you with the most accurate radar imagery, we constantly expand our resources so that rain, snow, and storms don't catch you by surprise. Trusted radar sources include NOAA, Met Office, Météo France, DWD, JMA, IMD, BoM & more. The global satellite composite is created from NOAA, EUMETSAT & Himawari data. MORE THAN 50 WEATHER MAPS - Rain radar, Satellite and a unique combined layer of Radar & Satellite images (blue, infrared, visible) - Hurricane tracker, Weather warnings & Extreme forecast - Wind forecast: Wind speed, Wind gusts & Accumulation, models comparison, data from live Weather stations - Temperature: Humidity, Pressure, Dew point, live data from Weather stations - Rain: Thunder & storms, Rain accumulation, Thunderstorms, Precipitation type, CAPE-index - Aviation: Clouds, Cloud tops, Cloud base, Visibility (LIFR, IFR, MVFR, VFR), Fog, Icing, Clear air turbulence, Thermals, Freezing altitude - Marine Forecast: Waves, Swell, Wave power, Tide forecast, Currents, Sea temperature - Solar activity: Solar power, UV index, Wet-bulb temperature - Snow: Snow depth, New snow, Snow density - Air Quality: Air Quality Index (AQI) with Pollen (CAMS), NO2, PM 2.5, Aerosol, SO2, Ozone layer, Surface ozone, CO concentration, Dust mass - Soil moisture, Moisture anomaly, Drought intensity, Fire Danger, Fuel moisture MORE THAN 15 WEATHER MODELS Global weather models: - meteoblue - AI forecast - ECMWF - GFS by NOAA - ICON by DWD Local weather models: - HRRR by NOAA - NAM by NOAA - HRDPS by MSC - ICON-EU by DWD - ICON-D2 by DWD - UKV by Met Office - AROME-HD by Météo France - ALADIN by CHMI - NEMS by meteoblue - MSM by JMA - ACCESS-C by BoM LIVE RAIN, STORM ALERTS & CUSTOM WEATHER ALERTS Want to know before the storm hits near you while you hike, bike or spend time outdoors? You can now access live weather alerts or set up your custom weather alert for wind, sunshine, or new snow. HURRICANE TRACKER FOR STORM TRACKING With Windy's hurricane tracker, you can track the past and projected path of a hurricane or a storm. Windy doesn't rely on just one hurricane model, but will give you all the forecasts available for a storm or hurricane. WINDY MADE FOR PILOTS - 16 altitude levels from the surface to 13.5km/FL450 - 50k+ Airports searchable by ICAO and IATA, including runway info, decoded & raw METAR, TAF & NOTAMs - Detailed Airgram and Meteogram: temperature and dew point, wind speed and wind gusts, pressure, precipitation, altitude cloud cover, freezing altitude - Thermals forecast - Route planner WINDY MADE FOR OUTDOOR SPORTS, SURF & BOATING - 67K+ global webcams - Summer & winter outdoor topographic maps by Mapy.com - 4.5K+ Surfing spots - 12.1K+ Paragliding spots - 4.3K+ Kiting spots - Boating tide forecast - Sun & Moon tracker - Plugins with buoy data WINDY AS A WEATHER WIDGET ON YOUR DEVICE Get the weather now on your iPhone, MacOS, iPad, CarPlay & Apple Watch, from forecast, Radar, METAR, Weather stations & Wind, ready for your travels and outdoor sports. WINDY PREMIUM — FORECAST LIKE A PRO - 1-hour & 15-day outlook with 4–6× daily updates - Radar/Satellite 24h loops & 1-year archives - More maps (Tide Forecast) - Model comparison to find the best model Terms of Use: https://account.windy.com/agreements/windy-terms-of-use Privacy Policy: https://account.windy.com/agreements/windy-privacy-policy GET IN TOUCH Join us on social media or at community.windy.com to discuss weather-related topics, report bugs, or suggest a new feature. Contact us directly at info@windy.com.

Screenshots

HumProbCalc (S)4 screens
Windy.com4 screens

Verdict

The call

The clearest difference is price: Windy.com at Free against HumProbCalc (S)'s $1.99. Windy.com also leads on update cadence (every 3 weeks vs every 4 months) and chart position (#2 vs unranked). HumProbCalc (S)'s advantage is in-app purchases (none vs 10). On ads, 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

Windy.com is free to download; HumProbCalc (S) costs $1.99 up front. Windy.com sells 9 in-app purchases, starting at $2.99 per month. HumProbCalc (S) asks for nothing beyond the download.

UpkeepUpdate frequency

HumProbCalc (S) ships an update every 4 months, Windy.com every 3 weeks. The most recent releases landed on August 20, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 7 level
HumProbCalc (S) versus Windy.com: the parameters behind the verdict, then further details
ParameterHumProbCalc (S)Windy.com
Price$1.99Free — better
Rating—4.8 (80K ratings) — better
Positive reviews—89.0% of reviews
Number of ratings—80K — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#2 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better16.0
Further details — not scored
Size3 MB173 MB
Age rating+44+
DeveloperIvan Miguel Serrano PiresWindyty, SE

Bugs and requests

HumProbCalc (S)

Not enough reviews yet to summarise bugs or requests.

Windy.com

Reported bugs

3 issues
  • Map dragging issues on newer iPhone models
  • Inconsistent temperature display units
  • Premium features not always working as expected

Requested features

5 requests
  • Add weather front data on isobar charts
  • Improve font size and layout for better readability
  • Provide option to hide webcams or certain layers
  • Implement weather warning notifications
  • Add support for Apple Watch and other wearables

In-app purchases

None

HumProbCalc (S)

No in-app purchases

9 purchases

Windy.com

Subscriptions4
  • Donate 3 EUR/USD a month$2.991 Month
  • Windy Premium$2.991 Month
  • Donate 6 EUR/USD a month$5.491 Month
Show 1 more
  • Windy Premium2 variants$24.991 Year
One-time5
  • Donate approx 5 EUR/USD$4.99
  • Donate approx 10 EUR/USD$9.99
  • Donate approx 20 EUR/USD$19.99
Show 2 more
  • Windy Premium$29.99
  • Donate approx 50 EUR/USD$49.99

Questions

Is HumProbCalc (S) free?
HumProbCalc (S) costs $1.99, with no in-app purchases.
Is Windy.com free?
Windy.com is free to download, with in-app purchases available.
Do HumProbCalc (S) or Windy.com have ads?
Neither HumProbCalc (S) nor Windy.com shows ads.
Which is updated more often, HumProbCalc (S) or Windy.com?
HumProbCalc (S) ships an update every 4 months, and Windy.com every 3 weeks. Most recently, HumProbCalc (S) was updated on August 20, 2026 and Windy.com on October 27, 2026.

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