Comparison

WindAlert vs PredictWind

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

Head to head
About

WindAlert

Access hyper-local weather observations and advanced forecasts powered by a vast network of proprietary weather stations. Get real-time wind speed, direction, and detailed weather parameters for various activities. Receive customized alerts and visualize weather patterns on interactive maps.

Highlights
  • Real-time wind speed and direction
  • Proprietary Tempest Weather Systems
  • AI-enhanced Nearcast forecasting
  • Live and forecasted wind map
  • Customized point alerting
  • Multiple public domain forecast models
  • Tides charts and wave data
Features
Currently charting
Read full description

WindAlert gives you the weather in your neighborhood, from observations onsite or right next door, get the most accurate wind speed and wind direction. With over 65,000 proprietary Tempest Weather Systems deployed, receive real-time local weather right where you are. Advanced forecasts provide the most accurate Nearcast predictions to our customers. Beyond our unmatched proprietary weather, we supplement with weather sources from government agencies including NOAA and NWS, and bring in reports from AWOS, ASOS, METAR, and even CWOP. Radar, forecast, and live wind map, along with customized point alerting are included to provide a broad view of the weather. Download WindAlert for: - Neighborhood weather observations from proprietary Tempest Weather Systems along with all public domain reports (NOAA, NWS, METAR, ASOS, CWOP) including all major airports creating over 125,000 unique stations in one focused wind app. - Our exclusive Tempest Weather Systems with haptic rain sensors, sonic anemometers, along with local barometric pressure sensors provide ground truth observations. - Apple Watch compatibility - Live wind from our stations support a better windy conditions flow map – augmented by current station reports with advanced quality control. - Proprietary AI-enhanced Nearcast forecasting supplies enhanced forecasting for temperature, wind gust, speed, direction, humidity, dewpoint, precipitation rate, probability of precipitation, and cloud cover percentage. - Multiple public domain forecast models including High Resolution Rapid Refresh (HRRR), North American Mesoscale Forecast System (NAM), Global Forecast System (GFS), Canadian Meteorological Centre Model (CMC) and Icosahedral Non Hydrostatic Model (ICON). - Free subscription for unlimited wind notifications/alerts with customizable thresholds to email, text, or in-app. - Advanced location management: create your own Favorite station list to keep a constant eye on your go-to weather stations. - Maps: Live and Forecasted Wind Map, Forecasted Temperature, Radar, Satellite, Precipitation and Clouds, as well as Nautical Charts. - Customized map visualization based on prioritizing impacted activities such as drone pilot, small aircraft, farming, running, dog walking, gardening, trucking, hauling, kayaking, surfing, you name it! - National Weather Service (NWS) Marine Forecast - All the additional weather parameters you want in a wind speed app: - Tides charts - Wave Height, Wave Period - Water Temperature - Sunrise / Sunset - Moonrise / Moonset - Historical Wind Statistics - Windy days per month based on average and gust - Wind direction distribution Want more weather? - Upgrade to plus, pro, or gold membership to gain access to more weather stations and forecast locations. - Pro and Gold members have access to professional hurricane-proof weather stations in partnership with WeatherFlow Networks for high risk coastal locations. - Detailed weather at points of interest to coastal residents and property owners near the ocean, rivers, and other bodies of water. - On the water features - Sea Surface Temperatures - Sea Surface Currents - Detailed Historical Wind Statistics - Historical wind statistics by year What else can you do? - Join the Tempest Weather Network! - Add a Tempest Weather System for your backyard. - Tempest observations can be displayed in the WindAlert application. - Share information with the broader community and increase the science record. Connect with Tempest: - Facebook: tempestwx - Twitter: tempest_wx - YouTube: @tempestwx - Instagram:tempest.earth Contact us: help.weatherflow.com/hc/en-us/requests/new website: tempest.earth By purchasing a subscription or downloading an app you agree that you have read and accept our Privacy Policy and Terms of Use. https://got.wf/privacy https://got.wf/terms

About

PredictWind

Get accurate marine weather forecasts and powerful tools for wind, waves, and currents. Plan your trips with routing and departure planning features, and stay informed with live observations and alerts. Ideal for all marine activities.

Highlights
  • Accurate marine weather forecasts
  • Wind, wave, and current data
  • Weather routing and departure planning
  • High-resolution marine weather maps
  • Live wind observations and webcams
  • Weather alerts
Features
Read full description

Accurate marine weather forecasts and powerful tools utilizing wind, wave and currents, save you time, keep you safe and ensure you get the most out of every day on the water. Access the world’s top-ranking forecast models for reliable and accurate wind and weather data, including ECMWF, AIFS, ICON, UKMO, GFS, and more. Our very own PWAi, PWG & PWE models deliver unmatched accuracy in the short-to-medium range. View high resolution marine weather maps for wind, gust, CAPE, wave, rain, cloud, pressure, air temperature, sea temperature, ocean data and solunar. Suitable for sailing yacht, powerboat and any other marine weather activity. In addition to marine forecasts, PredictWind also provides a suite of powerful marine weather tools to save you time and keep you safe at sea using Wind, Wave, Tidal and Ocean currents. Weather Routing takes your start and end points then calculates your route factoring in tides, currents, wind and wave data, depth and your Sailing Yacht or Powerboats unique dimensions to give you the best route for comfort or speed. Departure Planning quickly summarizes the forecast marine weather conditions you’ll encounter along your route if leaving on day 1, 2, 3, or 4. Use this data to select the perfect departure date, every time for your Sailing Yacht or Powerboat. ADDITIONAL FEATURES - Daily Briefing: Powerful marine weather data condensed into a simple text forecast. - Maps: High resolution forecasts maps with animated streamlines, wind barbs or arrows. - Tables: The ultimate dashboard for detailed analysis of Wind, Wave, Rain and more. - Graphs: Compare multiple marine forecasts at the same time. - Live Wind Observations and Webcams: Know what’s happening with the weather right now at your local spot. - Local Knowledge: Hear about the best marine spots, amenities and activities at your destination. - Weather Alerts: Set your preferences then get alerts when conditions are just the way you like them for Wind, wave and other parameters. - Ocean Data: See what’s happening under the waves with ocean and tidal currents, and sea temperature. - GPS Tracking: Get a free customized GPS tracking page for your blog or website showing wind data overlaid. - AIS Data: View over 280,000 vessels worldwide on the AIS network to see marine traffic. Terms and conditions: https://www.predictwind.com/about-us/terms-and-conditions
 Privacy policy: https://www.predictwind.com/about-us/privacy-policy

Screenshots

WindAlert4 screens
PredictWind4 screens

Verdict

The call

The clearest difference is update cadence: PredictWind at every 9 days against WindAlert's every 3 weeks. PredictWind also leads on ratings volume (33K vs 4.6K). 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. WindAlert sells 10 in-app purchases, starting at $3.99 per month and PredictWind sells 16 in-app purchases, starting at $6.99 per month. 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 WindAlert against 4.8 for PredictWind. That said, the two scores are not equally well evidenced: PredictWind has 33K ratings behind it against 4.6K, so its average is the more settled of the two. Written reviews are what separate them: 82% of WindAlert's written reviews are positive against 84% of PredictWind's.

UpkeepUpdate frequency

WindAlert ships an update every 3 weeks, PredictWind every 9 days. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard2 real differences · 9 level
WindAlert versus PredictWind: the parameters behind the verdict, then further details
ParameterWindAlertPredictWind
PriceFreeFree
Rating4.8 (4.6K ratings)4.8 (33K ratings)
Positive reviews81.9% of reviews84.1% of reviews — better
Number of ratings4.6K33K — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#47#27 — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size137 MB40 MB
Age rating4+4+
DeveloperWeatherFlowPredictWind Limited

Customer experience

WindAlert

All ratings4,620 ratings
Positive96.2%
Neutral2.1%
Negative1.7%
Written reviews623 reviews
Positive81.9%
Neutral6.3%
Negative11.9%

PredictWind

All ratings32,793 ratings
Positive96.8%
Neutral2.0%
Negative1.2%
Written reviews454 reviews
Positive84.1%
Neutral3.1%
Negative12.8%

User reviews

WindAlert

From 4.6K App Store ratings

What we love

  • 🚀 Accurate wind forecasts
  • 👍 Easy to use and understand
  • 🌐 Comprehensive coverage of weather stations
  • ⚙️ Reliable and trustworthy app
  • 🌊 Invaluable for water sports and activities

Room to improve

  • 🔒 Paywall restricts access to key features
  • 🔁 Frequent prompts to upgrade
  • 🐛 Occasional crashes and bugs
  • 🗺️ Outdated map data
  • 💰 Expensive subscription model

PredictWind

From 33K App Store ratings

What we love

  • 👍 Accurate weather forecasts
  • 🚀 Comprehensive data and features
  • 💡 Useful for sailing, fishing, and other outdoor activities
  • 👍 Easy to use and navigate
  • 🚀 Reliable and dependable

Room to improve

  • 🐛 Occasional inaccuracies in weather predictions
  • 💰 Expensive subscription costs
  • 🔒 Difficult to cancel subscription
  • 🔒 Locked into using proprietary hardware and services
  • 🔒 Limited free features

Bugs and requests

WindAlert

Reported bugs

3 issues
  • Favorites management issues
  • Inconsistent data updates
  • Compatibility problems with newer devices

Requested features

5 requests
  • Add wave height and period data
  • Improve user interface and navigation
  • Provide more customization options
  • Integrate with other weather data sources
  • Expand coverage to more locations

PredictWind

Reported bugs

3 issues
  • App crashes or freezes on some devices
  • Inconsistent performance across different locations
  • Subscription issues and billing problems

Requested features

5 requests
  • Improved integration with other apps and charts
  • More frequent weather model updates
  • Earlier weather forecast updates
  • Ability to customize alert settings
  • Improved offline functionality

In-app purchases

10 purchases

WindAlert

Subscriptions10
  • Plus$3.991 Month
  • Plus7 Days trial$5.491 Month
  • Gold$14.991 Month
Show 7 more
  • Pro7 Days trial$14.991 Month
  • Pro - Pay As You Go (auto-renewing)$19.991 Month
  • Gold7 Days trial$21.991 Month
  • Plus$44.991 Year
  • Plus7 Days trial$44.991 Year
  • Pro7 Days trial$119.991 Year
  • Gold$179.991 Year
16 purchases

PredictWind

Subscriptions11
  • Basic - Monthly7 Days trial$6.991 Month
  • Basic - 3 Monthly$12.003 Months
  • Basic - 3 Monthly7 Days trial$12.003 Months
Show 8 more
  • Basic - Annual7 Days trial$29.001 Year
  • Standard - Monthly7 Days trial$49.001 Month
  • Standard - 3 Monthly$99.003 Months
  • Professional - Monthly7 Days trial$99.001 Month
  • Standard - 3 Monthly7 Days trial$99.003 Months
  • Standard - Annual7 Days trial$249.001 Year
  • Professional - 3 Monthly7 Days trial$249.003 Months
  • Professional - Annual7 Days trial$499.001 Year
One-time5
  • Basic Subscription, 1 Month$3.99
  • Basic Subscription, 3 Months$11.99
  • Basic Subscription, 12 Months$28.99
Show 2 more
  • Standard Subscription, 1 Month$48.99
  • Professional Subscription, 1 Month$99.99

Questions

Is WindAlert free?
WindAlert is free to download, with in-app purchases available.
Is PredictWind free?
PredictWind is free to download, with in-app purchases available.
Which has better reviews, WindAlert or PredictWind?
WindAlert and PredictWind are both rated 4.8 out of 5 on the App Store, from 4.6K and 33K ratings respectively.
Do WindAlert or PredictWind have ads?
Neither WindAlert nor PredictWind shows ads.
Which is updated more often, WindAlert or PredictWind?
WindAlert ships an update every 3 weeks, and PredictWind every 9 days. Most recently, WindAlert was updated on September 24, 2026 and PredictWind on September 25, 2026.
Which is more popular, WindAlert or PredictWind?
WindAlert currently peaks at #47 in the App Store charts, and PredictWind at #27. Chart position reflects recent download velocity rather than total install base.

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