Is there a PC or Mac version of the 4iiii app? September 18, 2019 16:18 Updated Follow No. The 4iiii app is currently available for iPhone and Android. Related articles Is there a free 4iiii training app that works with Fliiiight? Bike computers, headsets and smartwatches Compatible training apps (pre-release information) Interpreting the trainer lights Can I ride my TrainingPeaks program on Fliiiight? Comments 0 comments Please sign in to leave a comment.