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Maritime · head to head

FleetMon vs Navis N4

F

FleetMon

Maritime

Track ships and manage fleets worldwide

From
Free
Rated
-
Full reviewWebsite
Navis N4 logo

Navis N4

Maritime

Terminal operating system

From
$50000/year
Rated
-
Full reviewWebsite

The short version

  • Only FleetMon has a free tier, so it costs nothing to try first.
  • Each has a real cost: FleetMon service discontinued in January 2024 and fully phased out with transition to MarineTraffic; Navis N4 vendor domain redirects to Kaleris; no pricing published
  • They diverge on capability: FleetMon covers Global vessel tracking, Navis N4 covers Vessel planning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which FleetMon and Navis N4 actually diverge.

Attributes where FleetMon and Navis N4 differ
AttributeFleetMonNavis N4
Starting priceFree$50000/year
Pricing modelfreemiumone-time
Free tierYesNo
PlatformsWeb, Ios, AndroidWeb, Windows, Api
Founded20071988

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 FleetMon

  • Global vessel tracking
  • Fleet management
  • Port statistics
  • Voyage tracking
  • REST API
  • Webhooks
  • Data exports
  • Ios support

Only in Navis N4

  • Vessel planning
  • Yard management
  • Gate operations
  • Equipment management
  • Port community systems
  • Customs
  • Shipping lines
  • Windows support

Both cover

  • Web support

Where each one falls short

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

FleetMon

  • Service discontinued in January 2024 and fully phased out with transition to MarineTraffic
  • Free tier coverage was limited compared to premium plans requiring subscription fees
  • Data gaps in regions with poor terrestrial AIS infrastructure before satellite coverage was added

Navis N4

  • Vendor domain redirects to Kaleris; no pricing published

Pricing, plan by plan

FleetMon

Free
  • Professional$19/month
    • Unlimited fleet tracking
    • API access
    • Historical data

Navis N4

$50000/year
  • Professional$100000/year
    • Full TOS
    • Optimization
    • Analytics

Which should you pick?

Choose FleetMon if

  • You need global vessel tracking.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want fleet management.
FleetMon review

Choose Navis N4 if

  • You need vessel planning.
  • You work on Web, Windows, Api.
  • You also want yard management.
Navis N4 review

Questions people ask

Is FleetMon or Navis N4 better?
Neither clearly leads. FleetMon starts at Free and Navis N4 at $50000/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FleetMon or Navis N4?
FleetMon has a free tier; the other does not. Paid plans start at Free for FleetMon and $50000/year for Navis N4.
Does FleetMon or Navis N4 run on more platforms?
FleetMon runs on Web, Ios, Android. Navis N4 runs on Web, Windows, Api.
Can I use FleetMon for free?
Yes. FleetMon has a free tier, so you can try it without paying. Navis N4 starts at $50000/year.
What can FleetMon do that Navis N4 cannot?
FleetMon covers Global vessel tracking, Fleet management, Port statistics, Voyage tracking. Navis N4 covers Vessel planning, Yard management, Gate operations, Equipment management. Both handle Web support.

Answered from the vendors’ own pages

FleetMon: Does FleetMon work globally?

FleetMon had access to positions from both terrestrial AIS receiver stations and satellite AIS through partnership with exactEarth, providing undelayed signals from its network combined with global space-based tracking.

Source
Navis N4: How is Navis N4 priced?

Navis's website now redirects to Kaleris.com. The Kaleris website does not publish public pricing for its N4 container terminal operations software. Pricing appears to be available only through direct consultation with their sales team.

Source
FleetMon: What happened to FleetMon after 2024?

FleetMon was phased out from January 2024 as part of its integration into MarineTraffic following Kpler's acquisition of both platforms in March 2023. The FleetMon brand no longer accepts new registrations or offers new services.

Source
Navis N4: How can I request a quote for Navis N4?

Interested organizations can request a demo or contact Kaleris directly through their 'Get a Demo' call-to-action on the website. Pricing quotes are customized based on operational requirements.

Source
FleetMon: Could you track individual vessels in real-time with FleetMon?

Yes, FleetMon Explorer provided live AIS vessel tracking with filtering by vessel class, flag, length, speed, navigational status and signal age, enabling real-time monitoring of individual ships from a global overview to single vessel level.

Source
FleetMon: What was the starting price for FleetMon Explorer?

FleetMon Explorer pricing started at €54 per month, with subscription plans offering varying levels of access including free basic plans and paid tiers with additional features like historical tracking up to three years back.

Source
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