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Maritime · head to head

Portcast vs StormGlass

Portcast logo

Portcast

Maritime

AI-powered container tracking and ETA

From
$500/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: Portcast pricing not published on homepage or dedicated pricing page; StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use
  • They diverge on capability: Portcast covers Predictive ETAs, StormGlass covers Marine weather data.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Portcast and StormGlass actually diverge.

Attributes where Portcast and StormGlass differ
AttributePortcastStormGlass
Starting price$500/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, ApiApi
Founded20182017

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 Portcast

  • Predictive ETAs
  • Container tracking
  • Exception alerts
  • Port congestion data
  • TMS platforms
  • ERP systems
  • Shipping lines
  • Web support

Only in StormGlass

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

Both cover

  • Api support

What people use each for

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

Portcast

  • Real-time container and air cargo tracking across carriersnot StormGlass
  • Predicted ETAs and delay forecasting for ocean freightnot StormGlass
  • Port congestion monitoringnot StormGlass
  • Auditing freight invoices automaticallynot StormGlass
  • Feeding predicted arrival data into a TMS or ERPnot StormGlass

StormGlass

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

Where each one falls short

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

Portcast

  • Pricing not published on homepage or dedicated pricing page
  • No free tier or trial information disclosed
  • Features and billing model not detailed publicly

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

Portcast

$500/month
  • Professional$1500/month
    • AI-powered ETAs
    • Container tracking
    • Analytics

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 Portcast if

  • You need predictive etas.
  • You work on Web, Api.
  • You also want container tracking.
Portcast 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 Portcast or StormGlass better?
Neither clearly leads. Portcast starts at $500/month and StormGlass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Portcast or StormGlass?
StormGlass has a free tier; the other does not. Paid plans start at $500/month for Portcast and Free for StormGlass.
Does Portcast or StormGlass run on more platforms?
Portcast runs on Web, Api. StormGlass runs on Api.
Can I use StormGlass for free?
Yes. StormGlass has a free tier, so you can try it without paying. Portcast starts at $500/month.
What is Portcast best used for?
Portcast is most often used for real-time container and air cargo tracking across carriers, predicted etas and delay forecasting for ocean freight, port congestion monitoring, auditing freight invoices automatically. Of those, real-time container and air cargo tracking across carriers and predicted etas and delay forecasting for ocean freight are not what StormGlass is typically brought in for.
What can Portcast do that StormGlass cannot?
Portcast covers Predictive ETAs, Container tracking, Exception alerts, Port congestion data. StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather. Both handle Api support.

Answered from the vendors’ own pages

Portcast: Where can I find Portcast pricing?

Portcast does not display pricing information on their website. They direct inquiries to Book a demo or Get in Touch options on their homepage for pricing and plan details. Source: https://www.portcast.io

Source
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
Portcast: Does Portcast offer a free trial or demo?

Portcast emphasizes booking a demo as the primary way to learn about features and pricing. No free tier details are described on their homepage. Source: https://www.portcast.io

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
Portcast: Is Portcast supply chain visibility software priced per user or by usage?

Portcast does not disclose their pricing model publicly. Contact their sales team through their website's demo booking or contact form to discuss per-user, usage-based, or other billing options. Source: https://www.portcast.io

Source
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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