Softwr

Maritime · head to head

Dataloy vs Sea Machines

Dataloy logo

Dataloy

Maritime

Voyage management and operations

From
$1500/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: Dataloy no pricing published on website; 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: Dataloy covers Voyage planning, Sea Machines covers Autonomous control.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Dataloy and Sea Machines differ
AttributeDataloySea Machines
Starting price$1500/month$50000/one-time
Pricing modelsubscriptionone-time
PlatformsWeb, WindowsEmbedded, Web, Mobile
Founded19872015

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 Dataloy

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

Dataloy

  • Maritime data extraction and intelligencenot Sea Machines
  • Vessel tracking and voyage managementnot Sea Machines
  • Commercial shipping and chartering operationsnot Sea Machines
  • Port scheduling and compliance monitoringnot Sea Machines
  • Real-time maritime communications analysisnot Sea Machines

Sea Machines

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

Where each one falls short

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

Dataloy

  • No pricing published on website
  • Requires contacting sales team for quotes
  • Custom pricing model per organization
  • No transparent pricing or trial information

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

Dataloy

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

Sea Machines

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

Which should you pick?

Choose Dataloy if

  • You need voyage planning.
  • You work on Web, Windows.
  • You also want operations management.
Dataloy 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 Dataloy or Sea Machines better?
Neither clearly leads. Dataloy starts at $1500/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, Dataloy or Sea Machines?
Dataloy starts at $1500/month and Sea Machines at $50000/one-time.
Does Dataloy or Sea Machines run on more platforms?
Dataloy runs on Web, Windows. Sea Machines runs on Embedded, Web, Mobile.
What is Dataloy best used for?
Dataloy is most often used for maritime data extraction and intelligence, vessel tracking and voyage management, commercial shipping and chartering operations, port scheduling and compliance monitoring. Of those, maritime data extraction and intelligence and vessel tracking and voyage management are not what Sea Machines is typically brought in for.
What can Dataloy do that Sea Machines cannot?
Dataloy covers Voyage planning, Operations management, Demurrage calculation, Bunker planning. Sea Machines covers Autonomous control, Remote operation, Collision avoidance, Pattern following. Both handle Web support.

Answered from the vendors’ own pages

Dataloy: How much does Sedna (Dataloy) cost?

Sedna does not publish pricing on their website. Costs are custom per organization and require contacting their sales team through the Speak to the Team form or Talk to Us call-to-action.

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
Dataloy: What is Sedna's pricing model?

Sedna operates on a custom pricing model where costs are determined based on specific organizational needs, product selection, team size, and integration requirements. Contact their team for a personalized quote.

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
Dataloy: How do I request pricing from Sedna?

Submit the Speak to the Team contact form with company information, vertical market, and location. Alternatively, use the Talk to Us button or visit their contact page to connect with the sales team.

Source
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