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Aviation · head to head

AGI STK vs Amadeus Altea

AGI STK logo

AGI STK

Aviation

Systems Tool Kit for space and aerospace analysis

From
Free
Rated
-
Full reviewWebsite
Amadeus Altea logo

Amadeus Altea

Aviation

Complete airline passenger service and reservation system

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only AGI STK has a free tier, so it costs nothing to try first.
  • Each has a real cost: AGI STK sTK is sold as a ladder of separate licences, STK Pro, STK Premium Air, STK Premium Space and STK Enterprise, so mission areas are gated behind different products; Amadeus Altea pricing is not published and is negotiated with airlines
  • They diverge on capability: AGI STK covers Orbit analysis, Amadeus Altea covers Reservation management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which AGI STK and Amadeus Altea actually diverge.

Attributes where AGI STK and Amadeus Altea differ
AttributeAGI STKAmadeus Altea
Starting priceFreeOn request
Pricing modelsubscriptionusage-based
Free tierYesNo
PlatformsWindows, LinuxWeb, Windows, Ios, Android
Founded19891987

Identical on both: user rating (Not yet rated), category (Aviation).

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 AGI STK

  • Orbit analysis
  • 4D visualization
  • Mission planning
  • Communication analysis
  • Conjunction assessment
  • MATLAB
  • Python
  • C++/.NET API

Only in Amadeus Altea

  • Reservation management
  • Inventory control
  • Departure control
  • Revenue management
  • Customer profiles
  • GDS systems
  • Payment gateways
  • Loyalty programs

Both cover

  • Data encryption
  • Windows support

What people use each for

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

AGI STK

  • Modelling satellite orbits, coverage and conjunction risknot Amadeus Altea
  • Mission analysis and visualization for air, space and defence systemsnot Amadeus Altea

Amadeus Altea

  • Passenger service system covering reservations, inventory and departure controlnot AGI STK
  • Airline distribution and retailingnot AGI STK
  • Check-in and boarding operationsnot AGI STK
  • Fare and ancillary merchandising for full-service carriersnot AGI STK

Where each one falls short

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

AGI STK

  • STK is sold as a ladder of separate licences, STK Pro, STK Premium Air, STK Premium Space and STK Enterprise, so mission areas are gated behind different products
  • Further capability is sold as separate add-on toolkits including TETK, the RF Channel Modeler and the STK Missile Toolkit
  • Distributing an application built on STK Engine to end users requires each of them to hold an Ansys STK Engine Runtime License
  • Free access is limited to students at accredited institutions and to time-limited trials
  • No price, minimum or cost driver is published for any STK tier

Amadeus Altea

  • Pricing is not published and is negotiated with airlines
  • Altea is aimed at full-service carriers; low-cost and hybrid airlines are pointed at Navitaire New Skies instead
  • Amadeus is steering new work toward Nevio, its cloud-native retailing suite, so Altea sits alongside a newer platform

Pricing, plan by plan

AGI STK

Free
  • STK FreeFree
    • Basic analysis
    • 2D/3D visualization
    • Orbit analysis
  • STK Professional$15000/year
    • Advanced analysis
    • Premium modules
    • API access
  • STK Enterprise$50000/year
    • All modules
    • Multi-user
    • Custom solutions

Amadeus Altea

On request
  • Altea PSSFree
    • Per-passenger pricing
    • Full PSS functionality
    • Global distribution

Which should you pick?

Choose AGI STK if

  • You need orbit analysis.
  • You want to start without paying.
  • You work on Windows, Linux.
  • You also want 4d visualization.
AGI STK review

Choose Amadeus Altea if

  • You need reservation management.
  • You work on Web, Windows, Ios, Android.
  • You also want inventory control.
Amadeus Altea review

Questions people ask

Is AGI STK or Amadeus Altea better?
Neither clearly leads. AGI STK starts at Free and Amadeus Altea at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AGI STK or Amadeus Altea?
AGI STK has a free tier; the other does not. Paid plans start at Free for AGI STK and On request for Amadeus Altea.
Does AGI STK or Amadeus Altea run on more platforms?
AGI STK runs on Windows, Linux. Amadeus Altea runs on Web, Windows, Ios, Android.
Can I use AGI STK for free?
Yes. AGI STK has a free tier, so you can try it without paying. Amadeus Altea starts at On request.
What is AGI STK best used for?
AGI STK is most often used for modelling satellite orbits, coverage and conjunction risk, mission analysis and visualization for air, space and defence systems. Of those, modelling satellite orbits, coverage and conjunction risk and mission analysis and visualization for air, space and defence systems are not what Amadeus Altea is typically brought in for.
What can AGI STK do that Amadeus Altea cannot?
AGI STK covers Orbit analysis, 4D visualization, Mission planning, Communication analysis. Amadeus Altea covers Reservation management, Inventory control, Departure control, Revenue management. Both handle Data encryption, Windows support.

Answered from the vendors’ own pages

Amadeus Altea: Why is pricing not published for Amadeus Altea?

Amadeus Altea is an enterprise-grade passenger service system designed for airlines. Pricing is customized based on each airline's specific requirements, scale, and implementation needs rather than published publicly.

Source
Amadeus Altea: How do I get pricing for Amadeus Altea?

Interested airlines must contact Amadeus sales directly to discuss their specific requirements and receive a customized quote for the Amadeus Altea system.

Source
Amadeus Altea: What solutions does Amadeus offer for airlines besides Altea?

Amadeus offers multiple airline solutions including Amadeus Nevio (an AI-native retailing suite) and Navitaire New Skies (designed for low-cost carriers), in addition to Altea PSS for passenger service.

Source
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