Comparison

PredictWind Offshore Weather 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 Offshore Weather

Access detailed offshore weather forecasts and marine tools for coastal and offshore passages. Download GRIB files, view weather routes, and utilize advanced marine data for safe and efficient navigation.

Highlights
  • Download GRIB files
  • View weather routes
  • Access forecast models
  • Marine tools
  • Weather routing
  • GPS tracking
  • AIS data
Features
Read full description

The Offshore App allows you to seamlessly download multiple GRIB files for your coastal and offshore passages. Quickly download and view GRIB files, weather routes, GMDSS maps and text forecasts, AIS data and satellite imagery. Access all the world’s top ranking forecast models for reliable and accurate weather data, including ECMWF, SPIRE, UKMO, GFS and more. Our very own PWG & PWE models offer incredible accuracy and a record-breaking 1km resolution. In addition to forecasts, the Offshore App also provides a suite of powerful marine tools to save you time and keep you safe at sea. Weather Routing and Departure Planning is calculated in the PredictWind cloud at the highest resolution. The finished route is then sent back to your boat in an incredibly small file size which is ideal for low bandwidth satellite and SSB connections. The Offshore App works with Wi-Fi, mobile networks, and most satellite connections using an Iridium GO!, Globalstar or Optimizer device. ADDITIONAL FEATURES GRIB file viewer: High resolution forecasts maps with animated streamlines, wind barbs or arrows. Tables: The ultimate dashboard for detailed analysis. Graphs: Compare multiple parameters at the same time. GMDSS Forecasts: View either in the traditional text format or on a map. Destination Spot Forecast: Know exactly what the weather is doing at your destination. Live Observations: Know what’s happening right now out on the water. Ocean Data: See what’s happening under the waves with ocean and tidal currents, and sea temperature. GPS Tracking: Get a free customised GPS tracking page for your blog or website. AIS Data: View over 280,000 vessels worldwide on the AIS network.

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
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

PredictWind Offshore Weather4 screens
Nullschool4 screens

Verdict

The call

The clearest difference is review sentiment: Nullschool at 100% against PredictWind Offshore Weather's 54%. Nullschool also leads on rating (5.0 vs 3.5) and chart position (#42 vs unranked). PredictWind Offshore Weather's advantage is in-app purchases (none vs 3). On price, ratings volume, update cadence 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. Nullschool sells 3 in-app purchases, starting at $2.99 per month. PredictWind Offshore Weather asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nullschool holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 41 and 27 respectively. Written reviews point the same way: 54% of PredictWind Offshore Weather's written reviews are positive against 100% of Nullschool's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on September 23, 2026.

Scorecard5 real differences · 6 level
PredictWind Offshore Weather versus Nullschool: the parameters behind the verdict, then further details
ParameterPredictWind Offshore WeatherNullschool
PriceFreeFree
Rating3.5 (41 ratings)5.0 (27 ratings) — better
Positive reviews54.3% of reviews100.0% of reviews — better
Number of ratings41 — better27
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank—#42 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.415.1 — better
Further details — not scored
Size527 MB31 MB
Age rating4+4+
DeveloperPredictWind LimitedNullschool Technologies Inc.

Customer experience

PredictWind Offshore Weather

All ratings41 ratings
Positive58.5%
Neutral7.3%
Negative34.1%
Written reviews35 reviews
Positive54.3%
Neutral5.7%
Negative40.0%

Nullschool

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

In-app purchases

None

PredictWind Offshore Weather

No in-app purchases

3 purchases

Nullschool

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

Questions

Is PredictWind Offshore Weather free?
PredictWind Offshore Weather is free to download, with no in-app purchases.
Is Nullschool free?
Nullschool is free to download, with in-app purchases available.
Which has better reviews, PredictWind Offshore Weather or Nullschool?
Nullschool is rated higher. PredictWind Offshore Weather averages 3.5 out of 5 from 41 ratings, while Nullschool averages 5.0 from 27 ratings.
Do PredictWind Offshore Weather or Nullschool have ads?
Neither PredictWind Offshore Weather nor Nullschool shows ads.
Which is updated more often, PredictWind Offshore Weather or Nullschool?
PredictWind Offshore Weather ships an update monthly, and Nullschool monthly. Most recently, PredictWind Offshore Weather was updated on September 23, 2026 and Nullschool on September 23, 2026.

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