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Maritime & Shipping · head to head

StormGlass vs Dataloy

S

StormGlass

Maritime & Shipping

Global weather data API for maritime

From
Free
Rated
-
Full reviewWebsite
Dataloy logo

Dataloy

Maritime & Shipping

Voyage management and operations

From
$1500/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; Dataloy dataloy has been rebranded as Sedna VMS ("Sedna Trade Voyage Management System (Dataloy)"); its own site publishes no pricing and every plan action is a Request a demo button, per Sedna's own site.
  • They diverge on capability: StormGlass covers Marine weather data, Dataloy covers Voyage planning.

Where they differ

Only the attributes on which StormGlass and Dataloy actually diverge.

Attributes where StormGlass and Dataloy differ
AttributeStormGlassDataloy
Starting priceFree$1500/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsApiWeb, Windows
Founded20171987

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

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
  • Api support

Only in Dataloy

  • Voyage planning
  • Operations management
  • Demurrage calculation
  • Bunker planning
  • ERP systems
  • Accounting
  • Market data
  • Web 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 Dataloy
  • Adding tide, wave and wind data to a maritime or coastal applicationnot Dataloy

Dataloy

No use cases recorded yet. See the Dataloy review.

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

Dataloy

  • Dataloy has been rebranded as Sedna VMS ("Sedna Trade Voyage Management System (Dataloy)"); its own site publishes no pricing and every plan action is a Request a demo button, per Sedna's own site.

Pricing, plan by plan

StormGlass

Free
  • Professional$149/month
    • 50,000 API calls
    • Historical data
    • Premium support

Dataloy

$1500/month
  • VMS Pro$3000/month
    • Voyage planning
    • Operations
    • Demurrage

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 Dataloy if

  • You need voyage planning.
  • You work on Web, Windows.
  • You also want operations management.
Dataloy review

Questions people ask

Is StormGlass or Dataloy better?
Neither clearly leads. StormGlass starts at Free and Dataloy at $1500/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, StormGlass or Dataloy?
StormGlass has a free tier; the other does not. Paid plans start at Free for StormGlass and $1500/month for Dataloy.
Does StormGlass or Dataloy run on more platforms?
StormGlass runs on Api. Dataloy runs on Web, Windows.
Can I use StormGlass for free?
Yes. StormGlass has a free tier, so you can try it without paying. Dataloy starts at $1500/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 Dataloy is typically brought in for.
What can StormGlass do that Dataloy cannot?
StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather. Dataloy covers Voyage planning, Operations management, Demurrage calculation, Bunker planning.
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