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Weather · head to head

RainViewer vs StormGeo

RainViewer logo

RainViewer

Weather

Global rain radar with accurate precipitation forecasts

From
Free
Rated
-
Full reviewWebsite
StormGeo logo

StormGeo

Weather

Weather intelligence for shipping optimization

From
$800/month
Rated
-
Full reviewWebsite

The short version

  • Only RainViewer has a free tier, so it costs nothing to try first.
  • Each has a real cost: RainViewer limited to precipitation forecasting without comprehensive weather data like temperature or wind; StormGeo no longer independent as fully owned subsidiary of Alfa Laval since June 2021
  • They diverge on capability: RainViewer covers Global rain radar, StormGeo covers Weather routing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which RainViewer and StormGeo actually diverge.

Attributes where RainViewer and StormGeo differ
AttributeRainViewerStormGeo
Starting priceFree$800/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsWeb, iOS, AndroidWeb, Windows, Api
Founded20151997

Identical on both: user rating (Not yet rated), category (Weather).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in RainViewer

  • Global rain radar
  • Smooth animations
  • 2-hour forecasts
  • Lightning data
  • Satellite imagery
  • API access
  • Widgets
  • Notifications

Only in StormGeo

  • Weather routing
  • Voyage optimization
  • Fleet performance analytics
  • Safety alerts
  • ECDIS systems
  • Fleet management platforms
  • ERP systems
  • Windows support

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

RainViewer

  • Professional Worknot StormGeo
  • Content Creationnot StormGeo

StormGeo

No use cases recorded yet. See the StormGeo review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

RainViewer

  • Limited to precipitation forecasting without comprehensive weather data like temperature or wind
  • Forecast window limited to 2 hours, not suitable for extended weather planning
  • Smaller global weather station network compared to national meteorological services
  • Limited historical weather data compared to competing weather platforms

StormGeo

  • No longer independent as fully owned subsidiary of Alfa Laval since June 2021
  • Primarily Europe-based with less established presence in Asian maritime markets compared to Weathernews
  • Focused on commercial and industrial sectors rather than consumer weather services

Pricing, plan by plan

RainViewer

Free
  • FreeFree
    • Global radar
    • Animations
    • Forecasts
  • Premium$2.99/month
    • No ads
    • API access
    • Extended history

StormGeo

$800/month
  • s-Suite$2000/month
    • Weather routing
    • Voyage optimization
    • Fleet performance

Which should you pick?

Choose RainViewer if

  • You need global rain radar.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want smooth animations.
RainViewer review

Choose StormGeo if

  • You need weather routing.
  • You work on Web, Windows, Api.
  • You also want voyage optimization.
StormGeo review

Questions people ask

Is RainViewer or StormGeo better?
Neither clearly leads. RainViewer starts at Free and StormGeo at $800/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RainViewer or StormGeo?
RainViewer has a free tier; the other does not. Paid plans start at Free for RainViewer and $800/month for StormGeo.
Does RainViewer or StormGeo run on more platforms?
RainViewer runs on Web, iOS, Android. StormGeo runs on Web, Windows, Api.
Can I use RainViewer for free?
Yes. RainViewer has a free tier, so you can try it without paying. StormGeo starts at $800/month.
What is RainViewer best used for?
RainViewer is most often used for professional work, content creation. Of those, professional work and content creation are not what StormGeo is typically brought in for.
What can RainViewer do that StormGeo cannot?
RainViewer covers Global rain radar, Smooth animations, 2-hour forecasts, Lightning data. StormGeo covers Weather routing, Voyage optimization, Fleet performance analytics, Safety alerts. Both handle Web support.

Answered from the vendors’ own pages

RainViewer: What weather data does RainViewer use?

RainViewer processes radar data from over 1,000 radar stations worldwide to provide precipitation forecasts with sub-kilometer accuracy updated every 5 minutes.

Source
StormGeo: What industries does StormGeo serve?

StormGeo serves shipping, oil and gas, renewable energy, utilities, aviation, and cross-industry sectors with weather intelligence, routing, and operational decision support services.

Source
RainViewer: How far ahead can RainViewer forecast rain?

RainViewer provides 2-hour precipitation forecasts updated frequently throughout the day with hyperlocal predictions.

Source
StormGeo: What is s-Suite and what does it include?

s-Suite is StormGeo's complete, one-stop solution for shipping companies combining Voyage Planning, Onboard Route Optimization, Route Advisory Services and Fleet Performance Management.

Source
RainViewer: Is RainViewer available on all platforms?

RainViewer offers both a mobile app and web platform for accessing precipitation forecasts and radar data.

Source
StormGeo: Does StormGeo offer weather routing for maritime operations?

Yes. StormGeo provides Weather Routing and Voyage Optimization services that empower onboard and shoreside teams to plan and execute optimized, compliant voyages by combining AI-driven insights, advanced technology, and weather intelligence.

Source
StormGeo: What is the s-Planner product used for?

StormGeo's s-Planner integrates route optimization and weather insights with up-to-date Electronic Navigational Charts and Publications to streamline onboard voyage planning workflow.

Source
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