Comparison

PredictWind vs Nullschool

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

Head to head
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

About

Nullschool

Visualize global weather, ocean, and pollution data on an interactive map. Explore current conditions, forecasts up to 5 days, and historical data. Discover atmospheric phenomena like hurricanes, jet streams, and pollution spread.

Highlights
  • Interactive animated global map
  • Wind, ocean, and pollution layers
  • Current conditions and 5-day forecasts
  • Historical data access
  • Aurora and wildfire tracking
  • Subscription for extra features
Features
Currently charting
Read full description

The official app of the popular website earth.nullschool.net! Explore wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Numerous features are available: - Current conditions, forecasts up to 5 days (depending on the data source), and historical data going back many years - Physical layers: wind, temperature, relative humidity, wet bulb temperature, precipitation, MSLP, CAPE, and more - Chemistry and aerosol layers: PM 2.5, CO2, sulfate, and other pollutants - Ocean layers: waves, currents, swells, sea surface temps, coral bleaching - Aurora - Wildfires Explore Earth's atmosphere and oceans wherever your curiosity takes you: - Watch how hurricanes and typhoons form and pull heat from the ocean - See the jet stream and polar vortex - Follow the Kuroshio, Alguhas, and Gulf Stream - Learn how pollution spreads across the globe This app offers paid subscriptions so you can help Nullschool keep the lights on and develop new features. Plus, you get some neat extras: - Curate a gallery of favorites - Save and share screenshots - Generate QR codes for easy linking Who knows what you're going to find?

Screenshots

PredictWind4 screens
Nullschool4 screens

Verdict

The call

The clearest difference is ratings volume: PredictWind at 33K against Nullschool's 27. PredictWind also leads on update cadence (every 9 days vs monthly) and chart position (#20 vs #175). Nullschool's advantage is review sentiment (100% vs 84%) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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. PredictWind sells 16 in-app purchases, starting at $6.99 per month and Nullschool sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Nullschool holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: PredictWind has 33K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 84% of PredictWind's written reviews are positive against 100% of Nullschool's.

UpkeepUpdate frequency

PredictWind ships an update every 9 days, Nullschool monthly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 6 level
PredictWind versus Nullschool: the parameters behind the verdict, then further details
ParameterPredictWindNullschool
PriceFreeFree
Rating4.8 (33K ratings)5.0 (27 ratings) — better
Positive reviews84.2% of reviews100.0% of reviews — better
Number of ratings33K — better27
Update frequencyEvery 9 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#20 — better#175
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.1 — better
Further details — not scored
Size40 MB31 MB
Age rating4+4+
DeveloperPredictWind LimitedNullschool Technologies Inc.

Customer experience

PredictWind

All ratings32,793 ratings
Positive96.8%
Neutral2.0%
Negative1.2%
Written reviews455 reviews
Positive84.2%
Neutral3.1%
Negative12.7%

Nullschool

All ratings27 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

Nullschool

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
3 purchases

Nullschool

Subscriptions3
  • Monthly Plan$2.991 Month
  • Annual Plan$29.991 Year
  • Friends of Nullschool$49.991 Year

Questions

Is PredictWind free?
PredictWind is free to download, with in-app purchases available.
Is Nullschool free?
Nullschool is free to download, with in-app purchases available.
Which has better reviews, PredictWind or Nullschool?
Nullschool is rated higher. PredictWind averages 4.8 out of 5 from 33K ratings, while Nullschool averages 5.0 from 27 ratings.
Do PredictWind or Nullschool have ads?
Neither PredictWind nor Nullschool shows ads.
Which is updated more often, PredictWind or Nullschool?
PredictWind ships an update every 9 days, and Nullschool monthly. Most recently, PredictWind was updated on October 3, 2026 and Nullschool on October 2, 2026.
Which is more popular, PredictWind or Nullschool?
PredictWind currently peaks at #20 in the App Store charts, and Nullschool at #175. Chart position reflects recent download velocity rather than total install base.

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