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Maritime · head to head

FleetMon vs Kaleris

F

FleetMon

Maritime

Track ships and manage fleets worldwide

From
Free
Rated
-
Full reviewWebsite
Kaleris logo

Kaleris

Maritime

Terminal operating, yard, rail and vessel software assembled from acquired supply chain brands

From
On request
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; Kaleris the portfolio was assembled by acquisition, so the single platform description is commercial rather than technical, and connecting two Kaleris products often requires professional services and a custom interface.
  • They diverge on capability: FleetMon covers Global vessel tracking, Kaleris covers Terminal operating system.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which FleetMon and Kaleris actually diverge.

Attributes where FleetMon and Kaleris differ
AttributeFleetMonKaleris
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsWeb, Ios, AndroidWeb, On-premise, Private cloud
Founded2007Unknown

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
  • Web support

Only in Kaleris

  • Terminal operating system
  • Yard management
  • Transportation management
  • Carrier and vessel solutions
  • Rail visibility
  • Maintenance and repair operations
  • Execution and visibility platform
  • Equipment control integration

What people use each for

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

FleetMon

No use cases recorded yet. See the FleetMon review.

Kaleris

  • A container terminal replacing a legacy or in-house terminal operating system before an automation programmenot FleetMon
  • A port authority standardising several terminals on one operating system and reporting layernot FleetMon
  • An ocean carrier that needs stowage planning and vessel performance tooling alongside terminal systemsnot FleetMon
  • A rail or intermodal operator trying to reduce demurrage exposure with asset level visibilitynot FleetMon

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

Kaleris

  • The portfolio was assembled by acquisition, so the single platform description is commercial rather than technical, and connecting two Kaleris products often requires professional services and a custom interface.
  • A terminal operating system implementation runs 12 to 24 months with parallel operation, and the software licence is a minor line next to integration, equipment interfaces and retraining crane and gate staff.
  • Private equity ownership means the roadmap is shaped by acquisition strategy and an eventual exit, and a terminal signing a decade-long dependency has no visibility of who the next owner will be.
  • Configuration expertise is concentrated in the vendor and a small consultancy pool, so terminals end up buying vendor services for changes an internal team should be able to make.
  • The strength is container handling, and bulk, breakbulk and ro-ro terminals get a thinner functional fit that has to be closed with configuration and workarounds.

Pricing, plan by plan

FleetMon

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

Kaleris

On request
  • Kaleris platform$undefined/year
    • Quoted per site, by throughput and modules taken
    • Implementation and integration services are the larger share of first-year cost
    • Equipment and gate interfaces scoped and priced individually

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 Kaleris if

  • You need terminal operating system.
  • You work on Web, On-premise, Private cloud.
  • You also want yard management.
Kaleris review

Questions people ask

Is FleetMon or Kaleris better?
Neither clearly leads. FleetMon starts at Free and Kaleris at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FleetMon or Kaleris?
FleetMon has a free tier; the other does not. Paid plans start at Free for FleetMon and On request for Kaleris.
Does FleetMon or Kaleris run on more platforms?
FleetMon runs on Web, Ios, Android. Kaleris runs on Web, On-premise, Private cloud.
Can I use FleetMon for free?
Yes. FleetMon has a free tier, so you can try it without paying. Kaleris starts at On request.
What can FleetMon do that Kaleris cannot?
FleetMon covers Global vessel tracking, Fleet management, Port statistics, Voyage tracking. Kaleris covers Terminal operating system, Yard management, Transportation management, Carrier and vessel solutions.

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
Kaleris: Is Kaleris the same thing as Navis?

No. Navis is the terminal operating system product line, now owned by Kaleris after Cargotec sold it to Accel-KKR in 2021. Kaleris is the parent group and sells several other product lines alongside it.

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
Kaleris: Who owns Kaleris?

It is backed by the private equity firm Accel-KKR and assembled from acquired software businesses.

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
Kaleris: How long does a terminal operating system deployment take?

Plan for 12 to 24 months at a working container terminal, including parallel running. Anything shorter usually means a limited scope or a small facility.

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
Kaleris: Does it suit bulk or breakbulk terminals?

Less well. The functional depth is in container handling, and other cargo types require significant configuration.

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