Is there a PC or Mac version of the 4iiii app? January 26, 2022 22:09 Updated 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, head units and smartwatches Using the 4iiii app's diagnostic tools Compatible training apps (pre-release information) Can I ride my TrainingPeaks program on Fliiiight?