I used AI to code a personal trainer app in one weekend. I see why big apps fear the competition

I vibe-coded my own personal trainer and ditched multiple apps. It raises questions for big fitness apps.

Trying to Get Fit? Trainers Say These Are the 10 Workout Apps That Actually Work

From Peloton to Nike Training Club, our experts tested 40+ workout apps to find the best for results, motivation, and ease of ...