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Software · head to head

ForeFlight vs AGI STK

ForeFlight logo

ForeFlight

Software

Comprehensive flight planning and pilot briefing app

From
$130/year
Rated
-
Full reviewWebsite
AGI STK logo

AGI STK

Software

Systems Tool Kit for space and aerospace analysis

From
Free
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: ForeFlight device restrictions: 2 iPads and 1 iPhone, or 1 iPad and 2 iPhones per licence; 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
  • They diverge on capability: ForeFlight covers Flight planning, AGI STK covers Orbit analysis.

Where they differ

Only the attributes on which ForeFlight and AGI STK actually diverge.

Attributes where ForeFlight and AGI STK differ
AttributeForeFlightAGI STK
Starting price$130/yearFree
Free tierNoYes
PlatformsiPad, iPhoneWindows, Linux
Founded20071989

Identical on both: pricing model (subscription), user rating (Not yet rated), category (Unknown).

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 ForeFlight

  • Flight planning
  • Aeronautical charts
  • Weather briefings
  • Navigation
  • Weight & balance
  • Garmin avionics
  • Jeppesen charts
  • ADS-B receivers

Only in AGI STK

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

Both cover

  • Data encryption

What people use each for

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

ForeFlight

  • Flight planning and navigation for pilotsnot AGI STK
  • Aviation weather and digital logbooknot AGI STK
  • Airport information and terrain profilingnot AGI STK

AGI STK

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

Where each one falls short

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

ForeFlight

  • Device restrictions: 2 iPads and 1 iPhone, or 1 iPad and 2 iPhones per licence
  • Geographic region limited to one per subscription
  • Annual billing only, no monthly option
  • Starter plan lacks Synthetic Vision and advanced planning tools
  • Essential plan lacks pre-built aircraft profiles and fuel planning

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

Pricing, plan by plan

ForeFlight

$130/year

No published plan breakdown. See the ForeFlight review.

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

Which should you pick?

Choose ForeFlight if

  • You need flight planning.
  • You work on iPad, iPhone.
  • You also want aeronautical charts.
ForeFlight review

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

Questions people ask

Is ForeFlight or AGI STK better?
Neither clearly leads. ForeFlight starts at $130/year and AGI STK at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ForeFlight or AGI STK?
AGI STK has a free tier; the other does not. Paid plans start at $130/year for ForeFlight and Free for AGI STK.
Does ForeFlight or AGI STK run on more platforms?
ForeFlight runs on iPad, iPhone. AGI STK runs on Windows, Linux.
Can I use AGI STK for free?
Yes. AGI STK has a free tier, so you can try it without paying. ForeFlight starts at $130/year.
What is ForeFlight best used for?
ForeFlight is most often used for flight planning and navigation for pilots, aviation weather and digital logbook, airport information and terrain profiling. Of those, flight planning and navigation for pilots and aviation weather and digital logbook are not what AGI STK is typically brought in for.
What can ForeFlight do that AGI STK cannot?
ForeFlight covers Flight planning, Aeronautical charts, Weather briefings, Navigation. AGI STK covers Orbit analysis, 4D visualization, Mission planning, Communication analysis. Both handle Data encryption.
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