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Maritime · head to head

ChartCo vs StormGlass

ChartCo logo

ChartCo

Maritime

Integrated maritime compliance platform

From
$300/month
Rated
-
Full reviewWebsite
StormGlass logo

StormGlass

Maritime

Global weather data API for maritime

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only StormGlass has a free tier, so it costs nothing to try first.
  • Each has a real cost: ChartCo requires specialized maritime knowledge to fully utilize features; StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use
  • They diverge on capability: ChartCo covers Chart management, StormGlass covers Marine weather data.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ChartCo and StormGlass actually diverge.

Attributes where ChartCo and StormGlass differ
AttributeChartCoStormGlass
Starting price$300/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, DesktopApi
Founded19982017

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 ChartCo

  • Chart management
  • Publication updates
  • Compliance tracking
  • Fleet administration
  • ECDIS
  • Fleet management systems
  • Procurement
  • Web support

Only in StormGlass

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

What people use each for

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

ChartCo

  • Training and certifying crew members across global shipping operationsnot StormGlass
  • Scheduling maintenance and procurement for fleet maintenance compliancenot StormGlass
  • Planning passages with intelligent tools for ship and shorenot StormGlass
  • Optimizing voyages for risk reduction and sustainability objectivesnot StormGlass

StormGlass

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

Where each one falls short

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

ChartCo

  • Requires specialized maritime knowledge to fully utilize features
  • High cost for maritime-specific software

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

Pricing, plan by plan

ChartCo

$300/month
  • OneOcean$600/month
    • Chart management
    • Publications
    • Compliance tracking

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

Which should you pick?

Choose ChartCo if

  • You need chart management.
  • You work on Web, Desktop.
  • You also want publication updates.
ChartCo review

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

Questions people ask

Is ChartCo or StormGlass better?
Neither clearly leads. ChartCo starts at $300/month and StormGlass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ChartCo or StormGlass?
StormGlass has a free tier; the other does not. Paid plans start at $300/month for ChartCo and Free for StormGlass.
Does ChartCo or StormGlass run on more platforms?
ChartCo runs on Web, Desktop. StormGlass runs on Api.
Can I use StormGlass for free?
Yes. StormGlass has a free tier, so you can try it without paying. ChartCo starts at $300/month.
What is ChartCo best used for?
ChartCo is most often used for training and certifying crew members across global shipping operations, scheduling maintenance and procurement for fleet maintenance compliance, planning passages with intelligent tools for ship and shore, optimizing voyages for risk reduction and sustainability objectives. Of those, training and certifying crew members across global shipping operations and scheduling maintenance and procurement for fleet maintenance compliance are not what StormGlass is typically brought in for.
What can ChartCo do that StormGlass cannot?
ChartCo covers Chart management, Publication updates, Compliance tracking, Fleet administration. StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather.

Answered from the vendors’ own pages

ChartCo: What does ChartCo OneOcean provide?

ChartCo OneOcean is an integrated maritime software platform that combines electronic navigational charts, publications, weather data, and compliance tools for voyage planning and maritime safety.

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
ChartCo: How many vessels use ChartCo PassageManager?

ChartCo's PassageManager software is used by approximately 6,500 vessels worldwide for passage planning and navigational chart management.

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
ChartCo: Does ChartCo help with environmental compliance?

Yes, ChartCo OneOcean includes EnviroManager for compliance with MARPOL and regional environmental regulations, helping crews manage waste and minimize discharge risks.

StormGlass: Is annual billing available?

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

Source
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