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Aviation · head to head

AGI STK vs L3Harris Technologies Aviation

AGI STK logo

AGI STK

Aviation

Systems Tool Kit for space and aerospace analysis

From
Free
Rated
-
Full reviewWebsite
L3Harris Technologies Aviation logo

L3Harris Technologies Aviation

Aviation

Advanced aerospace and defense technology solutions

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; L3Harris Technologies Aviation no pricing published; requires direct contact with L3Harris
  • They diverge on capability: AGI STK covers Orbit analysis, L3Harris Technologies Aviation covers Avionics.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which AGI STK and L3Harris Technologies Aviation actually diverge.

Attributes where AGI STK and L3Harris Technologies Aviation differ
AttributeAGI STKL3Harris Technologies Aviation
Starting priceFreeOn request
Pricing modelsubscriptionquote
Free tierYesNo
PlatformsWindows, LinuxHardware, Embedded
Founded19892019

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 L3Harris Technologies Aviation

  • Avionics
  • Communication
  • Training systems
  • Flight management
  • Navigation
  • Aircraft systems
  • Government standards
  • Military systems

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 L3Harris Technologies Aviation
  • Mission analysis and visualization for air, space and defence systemsnot L3Harris Technologies Aviation

L3Harris Technologies Aviation

  • Aircraft systemsnot AGI STK
  • Military trainingnot AGI STK
  • Government operationsnot AGI STK
  • Custom solutionsnot 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

L3Harris Technologies Aviation

  • No pricing published; requires direct contact with L3Harris

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

L3Harris Technologies Aviation

On request
  • Aviation SolutionsFree
    • Avionics systems
    • Training solutions
    • Communication systems

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 L3Harris Technologies Aviation if

  • You need avionics.
  • You work on Hardware, Embedded.
  • You also want communication.
L3Harris Technologies Aviation review

Questions people ask

Is AGI STK or L3Harris Technologies Aviation better?
Neither clearly leads. AGI STK starts at Free and L3Harris Technologies Aviation at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AGI STK or L3Harris Technologies Aviation?
AGI STK has a free tier; the other does not. Paid plans start at Free for AGI STK and On request for L3Harris Technologies Aviation.
Does AGI STK or L3Harris Technologies Aviation run on more platforms?
AGI STK runs on Windows, Linux. L3Harris Technologies Aviation runs on Hardware, Embedded.
Can I use AGI STK for free?
Yes. AGI STK has a free tier, so you can try it without paying. L3Harris Technologies Aviation 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 L3Harris Technologies Aviation is typically brought in for.
What can AGI STK do that L3Harris Technologies Aviation cannot?
AGI STK covers Orbit analysis, 4D visualization, Mission planning, Communication analysis. L3Harris Technologies Aviation covers Avionics, Communication, Training systems, Flight management.

Answered from the vendors’ own pages

L3Harris Technologies Aviation: How much does L3Harris aviation software cost?

L3Harris Technologies does not publish pricing on their main website. Contact L3Harris directly through their website contact options or reach out to a sales representative for specific product pricing.

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