GammaFV Redux

IGC flight log file analysis for macOS

GammaFV main window (Dunstable)

View and analyse IGC flight log files on macOS

GammaFV Redux is a simple to use IGC flight log file viewer for macOS. It is free to download and use. Has selectable analysis modes tailored for gliders, hang-gliders and paragliders. And respects your privacy, your IGC files never leave your computer.

GammaFV Redux is written for fun by UK based glider pilot Richard Lancaster.


  • macOS 14 (Sonoma)
  • macOS 13 (Ventura)
  • macOS 12 (Monterey)
  • macOS 11 (Big Sur)
  • Apple 64bit ARM processors
  • Intel 64bit x86 processors

Flight safety limitations

  • This software is not certified for, nor intended for use in, flight safety related activities. Such activities include, but are not limited to, pilot hours tracking and airframe flight hours tracking.
  • The author accepts no liability for the accuracy of the information provided by this software.


Download now from the Mac App Store.

Note: GammaFV Redux is relaunched free version of the now discontinued GammaFV app. Old versions of GammaFV will not automatically upgrade to GammaFV Redux. Download GammaFV Redux to get the latest features and updates.

Questions and Support

  • If you have questions, need help or have suggestions, then email: