Comparison

WeatherTrack GRIB vs PredictWind

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

Head to head
About

WeatherTrack GRIB

Access detailed worldwide weather data, including wind, waves, and currents, with offline capabilities. Plan routes and visualize forecasts with customizable maps and meteograms. Ideal for professionals and amateurs needing precise meteorological information.

Highlights
  • Worldwide GRIB data viewer
  • Offline map and forecast access
  • Detailed weather layers (wind, waves, currents)
  • Route planning and meteograms
  • GRIB file import/export
  • Animation and sharing options
Features
Currently charting
Read full description

WEATHERTRACK Amazing Weather Details at your Fingertips. Worldwide. "An incredibly comprehensive weather app - it accesses many data models from different agencies and provides worldwide coverage. The GRIB layers include wind, precipitation, wave height/direction/period, ocean and tidal currents, air and sea temps, relative humidity and more. WeatherTrack works offline, and GRIB files can be downloaded through an SSB connection, an Iridium AxcessPoint or as an email attachment and opened in the app." (App of the month! in Cruisingworld) http://goo.gl/PLzpI0 (at a glance) Official partner in the AMERICA's CUP TEAM ARTEMIS (2013) Forecasts for Professionals and Amateurs... "Great Tool - I hardly use my SSB radio for weather information any more. Whenever I can pick up Internet via mobile phone, WeatherTrack is much simpler and provides everything that I want." Everything you could ever want in one app: +++ GRIB VIEWER FEATURES in DETAIL: Select area of interest and get detailed GRIB data. View online/offline, point forecast or meteogram (graph). Weather types (GRIB layers): + Wind (10 m above MSL) + Gusts + CAPE + Precipitation (rain/snow) + Dew point + Cloud Cover + Waves Height/Direction/Period + Ocean current (RTOFS) + Barometric Pressure,Highs (H)/Lows (L) + Air-/Sea Temperature, Temp. at 500 mb + Relative Humidity, Geopot.Height at 500 mb Forecasts: + Worldwide Coverage + Forecasts up to 16 days (depending on data model) + Data models:GFS, COAMPS, NAVGEM; current: RTOFS; waves:WW3, WAM85, FNMOC-WW3/FNMOC-MED/FNMOC-EQAM + Resolution: 0.05°, 0.5°, 1°, 2°, 2.5° (dep.on data model) + Forecast interval: from 15 min up to 24hr (dep.on data model) + Updated every 6 hr (GFS) Map: + Offline, high res vector map. Use it offshore or in the mountains. + Zoom in - to 0.001° (111 m /121 yd) - (for very high res GRIB files) + Customizable + Online map (satellite/hybrid/map view) Specials: + Works easily with low bandwith + User friendly + Meteogram, dynamic, displays any layer + Open GRIB files from Email/Browser, 3rd party + Share (Twitter, Facebook, email) + City/Airport Search + Magnifier + In-app guide (offline) + Animation - watch & share + Import/export GRIB files to and from your PC + GRIB via Iridium access point +++ ROUTE WEATHER helps you plan your trip well (In-App purchase). http://goo.gl/PXFCIj (at a glance) + Create your own route. Import/Export to and from other apps (e.g. Dropbox). + Edit waypoints: name, lat/long, duration to next waypoint, (estimated) speed, fuel + Select wind mode: true, relative, apparent + Route Meteogram + Share complete route files by email and open in apps (e.g. Dropbox). + Online map. Display route in satellite/hybrid/map view. +++ GRIB Robot (subscription**) Makes the retrieval of GRIB files over satellite connections easy. +++Tidetech (subscription**) Worldwide hi res Ocean/tidal current +++ GLOBAl-LOCAL Satellite View + Fascinating view from space. + Worldwide clouds updated every 3 hours + Anywhere detailed Point Forecasts on your finger tip, not only for two million locations + World Clock, analog/digital +++ WEATHER ONLINE Selected online resources + Satellite + Radar + Fax + Aviation weather (partly) + Surface analysis + Snow precipitation and more. **SUBSCRIPTIONS AUTOMATICALLY RENEW unless auto-renew is turned off at least 24-hours before end of current period. Tidetech Price: USD $7.99/mo, $34.99/6 mo, $46.99/12 mo GRIB Robot Price: USD $2.99/7d, $5.99/mo, $15.99/3 mo, $28.99/6mo Your iTunes account will automatically be charged at the same price for renewal within 24-hours prior to end of current period unless you change your subscription preferences in your account settings. More: http://goo.gl/CQHG5H WeatherTrack, the Swiss Army Knife for Weather Enthusiasts! One app - many tools

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

WeatherTrack GRIB4 screens
PredictWind4 screens

Verdict

The call

The clearest difference is price: PredictWind at Free against WeatherTrack GRIB's $9.99. PredictWind also leads on ratings volume (33K vs 158) and update cadence (every 9 days vs every 6 weeks). On rating, review sentiment, ads and in-app purchases 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

PredictWind is free to download; WeatherTrack GRIB costs $9.99 up front. WeatherTrack GRIB sells 10 in-app purchases, starting at $2.99 per 7 days 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 — 4.7 for WeatherTrack GRIB against 4.8 for PredictWind. That said, the two scores are not equally well evidenced: PredictWind has 33K ratings behind it against 158, so its average is the more settled of the two. Written reviews are what separate them: 89% of WeatherTrack GRIB's written reviews are positive against 84% of PredictWind's.

UpkeepUpdate frequency

WeatherTrack GRIB ships an update every 6 weeks, PredictWind every 9 days. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

Scorecard4 real differences · 7 level
WeatherTrack GRIB versus PredictWind: the parameters behind the verdict, then further details
ParameterWeatherTrack GRIBPredictWind
Price$9.99Free — better
Rating4.7 (158 ratings)4.8 (33K ratings) — better
Positive reviews89.4% of reviews — better84.4% of reviews
Number of ratings15833K — better
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#102#22 — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.0 — better15.5
Further details — not scored
Size131 MB40 MB
Age rating4+4+
DeveloperBest Search Infobrokerage, IncPredictWind Limited

Customer experience

WeatherTrack GRIB

All ratings154 ratings
Positive95.5%
Neutral1.3%
Negative3.2%
Written reviews357 reviews
Positive89.4%
Neutral3.6%
Negative7.0%

PredictWind

All ratings32,885 ratings
Positive96.8%
Neutral2.1%
Negative1.2%
Written reviews461 reviews
Positive84.4%
Neutral3.0%
Negative12.6%

Bugs and requests

WeatherTrack GRIB

Not enough reviews yet to summarise bugs or 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

In-app purchases

10 purchases

WeatherTrack GRIB

Subscriptions6
  • GRIB Robot$2.997 Days
  • GRIB Robot$5.991 Month
  • Tidetech Currents$7.991 Month
Show 3 more
  • GRIB Robot$15.993 Months
  • Tidetech Currents$34.996 Months
  • Tidetech Currents$46.991 Year
One-time4
  • Offline High Resolution MapFree
  • Advanced Local Forecast$0.99
  • MeteoPlus$2.99
Show 1 more
  • Route Weather$5.99
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 WeatherTrack GRIB free?
WeatherTrack GRIB costs $9.99, and also offers in-app purchases.
Is PredictWind free?
PredictWind is free to download, with in-app purchases available.
Which has better reviews, WeatherTrack GRIB or PredictWind?
PredictWind is rated higher. WeatherTrack GRIB averages 4.7 out of 5 from 158 ratings, while PredictWind averages 4.8 from 33K ratings.
Do WeatherTrack GRIB or PredictWind have ads?
Neither WeatherTrack GRIB nor PredictWind shows ads.
Which is updated more often, WeatherTrack GRIB or PredictWind?
WeatherTrack GRIB ships an update every 6 weeks, and PredictWind every 9 days. Most recently, WeatherTrack GRIB was updated on October 21, 2026 and PredictWind on October 22, 2026.
Which is more popular, WeatherTrack GRIB or PredictWind?
WeatherTrack GRIB currently peaks at #102 in the App Store charts, and PredictWind at #22. Chart position reflects recent download velocity rather than total install base.

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