QUICK VERDICT
Different purposes — most serious cyclists use both. Strava for social + routes. TrainingPeaks for plans + analytics. One pick: Strava if self-coached, TrainingPeaks if coached.
CHOOSE STRAVA IF
CHOOSE TRAININGPEAKS IF
RELATED COMPARISONS
Full article
The long-form piece that backs this comparison.
Indoor Cycling Upgrades Worth Buying, and the Friction That Stops You Riding
VO2 Max Intervals: Why Pacing Decides Whether They Work