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Maritime · head to head

StormGlass vs Voyager Worldwide

StormGlass logo

StormGlass

Maritime

Global weather data API for maritime

From
Free
Rated
-
Full reviewWebsite
Voyager Worldwide logo

Voyager Worldwide

Maritime

Digital maritime solutions for navigation

From
$250/month
Rated
-
Full reviewWebsite

The short version

  • Only StormGlass has a free tier, so it costs nothing to try first.
  • Each has a real cost: StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use; Voyager Worldwide limited flexibility in document handling and workflow updates according to user feedback
  • They diverge on capability: StormGlass covers Marine weather data, Voyager Worldwide covers Chart management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which StormGlass and Voyager Worldwide actually diverge.

Attributes where StormGlass and Voyager Worldwide differ
AttributeStormGlassVoyager Worldwide
Starting priceFree$250/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsApiWeb, Desktop
Founded20172012

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

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 StormGlass

  • Marine weather data
  • Wave forecasts
  • Tide data
  • Historical weather
  • REST API
  • Webhooks
  • SDKs

Only in Voyager Worldwide

  • Chart management
  • Passage planning
  • Compliance tracking
  • Publication management
  • ECDIS systems
  • Fleet management
  • Procurement systems
  • Web support

Both cover

  • Api support

What people use each for

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

StormGlass

  • Pulling marine weather and sea state forecasts into a vessel routing or planning toolnot Voyager Worldwide
  • Adding tide, wave and wind data to a maritime or coastal applicationnot Voyager Worldwide

Voyager Worldwide

  • Planning optimal voyage routes with integrated weather routingnot StormGlass
  • Monitoring fleet performance across 18,000+ vessels in real-timenot StormGlass
  • Maintaining electronic chart displays and navigational data compliancenot StormGlass
  • Tracking vessel emissions and environmental regulation adherencenot StormGlass

Where each one falls short

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

StormGlass

  • The free tier allows 10 API requests per day and is not licensed for commercial use
  • Commercial use and any support at all start at the Medium plan, 49 euros a month
  • The Small plan at 19 euros a month has no support and no commercial licence
  • Request allowances are daily rather than monthly, so a burst of traffic cannot borrow against a quiet week

Voyager Worldwide

  • Limited flexibility in document handling and workflow updates according to user feedback
  • Requires understanding of ECDIS systems and electronic chart procedures
  • Pricing not publicly disclosed, requiring direct contact for quotation
  • Integration primarily limited to maritime-specific systems and ERP platforms

Pricing, plan by plan

StormGlass

Free
  • FreeFree
    • 10 requests per day
    • All weather parameters
    • Not for commercial use
  • Small$19/month
    • 500 requests per day
    • All weather parameters
    • 10% annual discount available
  • Medium$49/month
    • 5000 requests per day
    • All weather parameters
    • Full support
  • Large$129/month
    • 25000 requests per day
    • All weather parameters
    • Full support

Voyager Worldwide

$250/month
  • Voyager Pro$550/month
    • Chart services
    • Compliance management
    • Fleet tools

Which should you pick?

Choose StormGlass if

  • You need marine weather data.
  • You want to start without paying.
  • You work on Api.
  • You also want wave forecasts.
StormGlass review

Choose Voyager Worldwide if

  • You need chart management.
  • You work on Web, Desktop.
  • You also want passage planning.
Voyager Worldwide review

Questions people ask

Is StormGlass or Voyager Worldwide better?
Neither clearly leads. StormGlass starts at Free and Voyager Worldwide at $250/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, StormGlass or Voyager Worldwide?
StormGlass has a free tier; the other does not. Paid plans start at Free for StormGlass and $250/month for Voyager Worldwide.
Does StormGlass or Voyager Worldwide run on more platforms?
StormGlass runs on Api. Voyager Worldwide runs on Web, Desktop.
Can I use StormGlass for free?
Yes. StormGlass has a free tier, so you can try it without paying. Voyager Worldwide starts at $250/month.
What is StormGlass best used for?
StormGlass is most often used for pulling marine weather and sea state forecasts into a vessel routing or planning tool, adding tide, wave and wind data to a maritime or coastal application. Of those, pulling marine weather and sea state forecasts into a vessel routing or planning tool and adding tide, wave and wind data to a maritime or coastal application are not what Voyager Worldwide is typically brought in for.
What can StormGlass do that Voyager Worldwide cannot?
StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather. Voyager Worldwide covers Chart management, Passage planning, Compliance tracking, Publication management. Both handle Api support.

Answered from the vendors’ own pages

StormGlass: Is there a free tier available?

Yes, Stormglass offers a free plan with 10 API requests per day, including all weather parameters, but it is not permitted for commercial use.

Source
Voyager Worldwide: What are Voyager Worldwide's main products?

Voyager offers two primary solutions: Voyager Planning Station for onboard passage planning and navigation using electronic charts, and Voyager Fleet Insight, a web-based platform for monitoring voyage status and fleet operations from shore-based operations centers.

Source
StormGlass: What does the Medium plan include?

The Medium plan costs 49 EUR per month and includes 5000 daily requests, all weather parameters, and full support for commercial use.

Source
Voyager Worldwide: Does Voyager support electronic chart compliance?

Yes. Voyager is fully compliant with ECDIS (Electronic Chart Display and Information System) requirements and offers Electronic Navigational Charts (ENCs) through the Admiralty Vector Chart Service (AVCS), which provides over 15,800 official charts.

Source
StormGlass: Is annual billing available?

Yes, a 10% discount is available when paying annually on Small, Medium, and Large plans.

Source
Voyager Worldwide: How many vessels use Voyager Worldwide solutions?

More than 11,000 vessels use Voyager solutions, with over 1,100 shipping companies relying on Voyager for improving safety and compliance.

Source
Voyager Worldwide: What happened to Voyager Worldwide?

Voyager Worldwide merged with NAVTOR, a Norwegian maritime technology company, in November 2023. Voyager Worldwide is now a NAVTOR company and continues operating its products under NAVTOR's ownership.

Source
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