Softwr

Maritime · head to head

Portcast vs Sea Machines

Portcast logo

Portcast

Maritime

AI-powered container tracking and ETA

From
$500/month
Rated
-
Full reviewWebsite
Sea Machines logo

Sea Machines

Maritime

Autonomous vessel control systems

From
$50000/one-time
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Portcast pricing not published on homepage or dedicated pricing page; Sea Machines requires hardware fitted to the vessel; the autonomy systems are retrofits or new build installations rather than a software purchase
  • They diverge on capability: Portcast covers Predictive ETAs, Sea Machines covers Autonomous control.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Portcast and Sea Machines actually diverge.

Attributes where Portcast and Sea Machines differ
AttributePortcastSea Machines
Starting price$500/month$50000/one-time
Pricing modelsubscriptionone-time
PlatformsWeb, ApiEmbedded, Web, Mobile
Founded20182015

Identical on both: free tier (No), 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
  • Api support

Only in Sea Machines

  • Autonomous control
  • Remote operation
  • Collision avoidance
  • Pattern following
  • Vessel systems
  • Communication networks
  • Shore-based control
  • Embedded support

Both cover

  • Web 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 Sea Machines
  • Predicted ETAs and delay forecasting for ocean freightnot Sea Machines
  • Port congestion monitoringnot Sea Machines
  • Auditing freight invoices automaticallynot Sea Machines
  • Feeding predicted arrival data into a TMS or ERPnot Sea Machines

Sea Machines

  • Intelligent voyage and transit autonomy for workboatsnot Portcast
  • Pattern autonomy for survey and repetitive route worknot Portcast
  • Collision avoidance using the AI-ris computer vision sensornot Portcast
  • Remote command and control of vessels, including in GPS denied environmentsnot Portcast
  • Fleet management and telemetry through Fleetviewer and the SMLINK APIsnot 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

Sea Machines

  • Requires hardware fitted to the vessel; the autonomy systems are retrofits or new build installations rather than a software purchase
  • Targeted at vessels from 10 to 300 ft, so it does not address the largest commercial tonnage
  • Pricing is not published and is arranged directly with the vendor
  • The SM300-NG is the class-approved unit, so the cheaper SM300-SP does not carry the same approval

Pricing, plan by plan

Portcast

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

Sea Machines

$50000/one-time
  • SM300$75000/one-time
    • Autonomous control
    • Collision avoidance
    • Remote operation

Which should you pick?

Choose Portcast if

  • You need predictive etas.
  • You work on Web, Api.
  • You also want container tracking.
Portcast review

Choose Sea Machines if

  • You need autonomous control.
  • You work on Embedded, Web, Mobile.
  • You also want remote operation.
Sea Machines review

Questions people ask

Is Portcast or Sea Machines better?
Neither clearly leads. Portcast starts at $500/month and Sea Machines at $50000/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Portcast or Sea Machines?
Portcast starts at $500/month and Sea Machines at $50000/one-time.
Does Portcast or Sea Machines run on more platforms?
Portcast runs on Web, Api. Sea Machines runs on Embedded, Web, Mobile.
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 Sea Machines is typically brought in for.
What can Portcast do that Sea Machines cannot?
Portcast covers Predictive ETAs, Container tracking, Exception alerts, Port congestion data. Sea Machines covers Autonomous control, Remote operation, Collision avoidance, Pattern following. Both handle Web 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
Sea Machines: How much does Sea Machines cost?

Pricing is not published. Sea Machines requires customers to contact their sales team directly through the Contact Us link on their website for pricing quotes tailored to specific products and use cases.

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
Sea Machines: What is the pricing model for Sea Machines products?

Sea Machines offers autonomy systems and software solutions for maritime vessels. Pricing is determined on a per-product basis through direct sales consultation rather than published subscription tiers.

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
Share

Related pages

More on Portcast

More on Sea Machines

Keep looking

Other head to heads