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Maritime & Shipping · head to head

Dataloy vs StormGlass

Dataloy logo

Dataloy

Maritime & Shipping

Voyage management and operations

From
$1500/month
Rated
-
Full reviewWebsite
S

StormGlass

Maritime & Shipping

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: 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.; StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use
  • They diverge on capability: Dataloy covers Voyage planning, StormGlass covers Marine weather data.

Where they differ

Only the attributes on which Dataloy and StormGlass actually diverge.

Attributes where Dataloy and StormGlass differ
AttributeDataloyStormGlass
Starting price$1500/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, WindowsApi
Founded19872017

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 Dataloy

  • Voyage planning
  • Operations management
  • Demurrage calculation
  • Bunker planning
  • ERP systems
  • Accounting
  • Market data
  • 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.

Dataloy

No use cases recorded yet. See the Dataloy review.

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

Where each one falls short

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

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

Dataloy

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

StormGlass

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

Which should you pick?

Choose Dataloy if

  • You need voyage planning.
  • You work on Web, Windows.
  • You also want operations management.
Dataloy 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 Dataloy or StormGlass better?
Neither clearly leads. Dataloy starts at $1500/month and StormGlass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dataloy or StormGlass?
StormGlass has a free tier; the other does not. Paid plans start at $1500/month for Dataloy and Free for StormGlass.
Does Dataloy or StormGlass run on more platforms?
Dataloy runs on Web, Windows. StormGlass runs on Api.
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 can Dataloy do that StormGlass cannot?
Dataloy covers Voyage planning, Operations management, Demurrage calculation, Bunker planning. StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather.
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