StayFit.
com.n3d.StayFit
FreeIn-app purchasesEveryone
Launch numbers
1K+Installs
n/aRating
Aug 24, 2026Released
Sep 27, 2026Updated
What it is
Workout tracker with a 3D muscle map, recovery tracking & strength progress.
StayFit is the workout tracker that shows you exactly what you're training. Rotate a full 3D body, watch each muscle light up as you log your sessions, and finally see your training the way your body feels it.Built for lifters who want structure without the spreadsheet.WHAT YOU CAN DO• 3D Muscle Map — Rotate an interactive body and tap any muscle to see its best exercises. Worked muscles are heat-shaded so you c…