Comparison

Windy.com vs LuckGrib

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

Head to head
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.

About

LuckGrib

This app provides advanced weather data visualization, downloading, and routing for sailors and weather enthusiasts. It offers access to a wide range of global and high-resolution weather and ocean models, with features for optimizing routes and analyzing complex weather parameters. Remote access via satellite is also supported.

Highlights
  • GRIB file reader, viewer, and downloader
  • Advanced weather routing and route analysis
  • Satellite data access
  • High-resolution global and regional weather models
  • Ocean current models
  • Detailed weather parameter analysis
Features
Currently charting
Read full description

LuckGrib is a fully featured, easy to use, fast GRIB reader, viewer, downloader and weather router. Remote access to weather data via satellite. Advanced weather routing capabilities, for sailors, is available. Weather forecast data, packaged as GRIB files, can be downloaded directly from the LuckGrib server cluster. Downloads are available via: a direct high speed internet connection, or through the Iridium GO! as well as through the RedPort Optimizer. For sailors, LuckGrib offers a best-in-class, complete solution: industry leading visualization and ease of use, highly optimized weather data downloads via satellite, along with industry leading optimized weather routing and route analysis. Inshore sailors may not require satellite downloads, but will benefit from the rest of the system. LuckGrib is unique among apps that were originally designed for sailors, in that the weather analysis tools are powerful enough to attract attention from meteorologitsts. For sailors, meteorologists, and all weather enthusiasts, LuckGrib offers access to a wide range of high resolutions models, a number of global models, weather data at the surface, 850mb, 500mb and 250mb levels, parameters ranging from simple things such as wind, pressure and temperature, to more advanced quantities such as simulated radar, standard deviations, precipitable water, lightning, vertical vorticity, helicity and more. LuckGrib is a thoroughly modern and advanced GRIB viewer. LuckGrib provides access to many weather and ocean models, including global models such as GFS and ECMWF along with many high resolution models, which vary according to the region you are interested in. In the USA, there is the HRRR, NAM, NBM and many others. In Europe there is Icon-EU, Arpège, Arome, the Danish DINI and others. There are several ocean current models, such as the global RTOFS and Mercator Ocean, along with regional higher resolution models such as OFS, NCOM, CMEMS and others. The LuckGrib weather routing system is an industry leading, high quality, robust, high performance and comprehensive system. The LuckGrib isochronal Weather Routing solver has many unique features, such as being able to respect constraints (points that must be left to port or starboard,) deal with routes which require you to heave-to, outstanding visualization and interactivity features, and much more. LuckGrib comes with a 14 day free trial, or free access to reduced resolution downloads (LuckGrib Lite) for users who do not require access to the most accurate data. If you are interested in studying weather and gaining access to detailed weather forecasts, download the app and give it a try. Downloading data via satellite requires the Offshore Data in-app purchase. Access to the isochronal weather routing system requires an in-app purchase. Note that LuckGrib does not use a subscription pricing model - after the free trial, when you decide to purchase the app, there will be a one time charge, not an ongoing subscription. For more details, please visit the support website. * for details on the offshore data system: https://offshore.luckgrib.com * for details on weather routing: https://routing.luckgrib.com * for details on weather models: https://luckgrib.com/models * the privacy policy: https://luckgrib.com/privacy * terms of use: https://luckgrib.com/terms-of-use * end user license agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Windy.com4 screens
LuckGrib4 screens

Verdict

The call

The clearest difference is ratings volume: Windy.com at 79K against LuckGrib's 338. Windy.com also leads on update cadence (every 3 weeks vs every 2 months) and chart position (#4 vs #160). On price, rating, review sentiment and ads 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

Both are free to download. Windy.com sells 9 in-app purchases, starting at $2.99 per month and LuckGrib sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Windy.com against 4.9 for LuckGrib. That said, the two scores are not equally well evidenced: Windy.com has 79K ratings behind it against 338, so its average is the more settled of the two. Written reviews are what separate them: 89% of Windy.com's written reviews are positive against 93% of LuckGrib's.

UpkeepUpdate frequency

Windy.com ships an update every 3 weeks, LuckGrib every 2 months. Both last shipped on September 25, 2026.

Scorecard4 real differences · 7 level
Windy.com versus LuckGrib: the parameters behind the verdict, then further details
ParameterWindy.comLuckGrib
PriceFreeFree
Rating4.8 (79K ratings)4.9 (338 ratings) — better
Positive reviews89.0% of reviews92.7% of reviews — better
Number of ratings79K — better338
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#4 — better#160
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.0 — better18.4
Further details — not scored
Size172 MB173 MB
Age rating4+4+
DeveloperWindyty, SECraig McPheeters

Customer experience

Windy.com

All ratings78,968 ratings
Positive96.7%
Neutral1.7%
Negative1.6%
Written reviews3,744 reviews
Positive89.0%
Neutral3.0%
Negative8.0%

LuckGrib

All ratings338 ratings
Positive96.7%
Neutral2.1%
Negative1.2%
Written reviews124 reviews
Positive92.7%
Neutral2.4%
Negative4.8%

User reviews

Windy.com

From 79K App Store ratings

What we love

  • 🌊 Accurate weather forecasts
  • 🌍 Comprehensive global coverage
  • 🔍 Detailed weather data and models
  • 🛥️ Useful for marine/sailing activities
  • 🛫 Valuable for aviation planning

Room to improve

  • 🤯 Overwhelming number of features and options
  • 🔍 Small text and cluttered interface on mobile
  • 🤖 Occasional app crashes or stability issues
  • 💰 Paywall for some advanced features
  • 🌐 Lack of offline functionality

LuckGrib

From 338 App Store ratings

What we love

  • 🚀 Excellent weather forecasting and routing
  • 👍 Intuitive and user-friendly interface
  • 💡 Wide range of weather models and data sources
  • 🚢 Tailored for sailors and offshore navigation
  • 💰 One-time purchase, no subscription fees

Room to improve

  • 🐛 Occasional issues with GRIB file downloads
  • ⚠️ Steep learning curve for some features
  • 🔍 Lack of support for some boat types (e.g., catamarans)

Bugs and 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

LuckGrib

Reported bugs

2 issues
  • Reported issues with 'no wind data for start time'
  • Occasional app crashes or freezes

Requested features

3 requests
  • Integration with boat instruments and data logging
  • More advanced routing options and customization
  • Improved support for regional weather models

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
6 purchases

LuckGrib

One-time6
  • 14-day TrialFree
  • 14 day trial of Offshore DataFree
  • 14 day Weather Routing trialFree
Show 3 more
  • LuckGrib weather data access$29.99
  • Premium Offshore Data access$59.99
  • Weather Routing access$59.99

Questions

Is Windy.com free?
Windy.com is free to download, with in-app purchases available.
Is LuckGrib free?
LuckGrib is free to download, with in-app purchases available.
Which has better reviews, Windy.com or LuckGrib?
LuckGrib is rated higher. Windy.com averages 4.8 out of 5 from 79K ratings, while LuckGrib averages 4.9 from 338 ratings.
Do Windy.com or LuckGrib have ads?
Neither Windy.com nor LuckGrib shows ads.
Which is updated more often, Windy.com or LuckGrib?
Windy.com ships an update every 3 weeks, and LuckGrib every 2 months. Most recently, Windy.com was updated on September 25, 2026 and LuckGrib on September 25, 2026.
Which is more popular, Windy.com or LuckGrib?
Windy.com currently peaks at #4 in the App Store charts, and LuckGrib at #160. Chart position reflects recent download velocity rather than total install base.

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