Physicly
Muscle growth
How to Track Muscle Growth: Lifts, Tape and Photos
A training log, a tape measure and progress photos each miss something. How to track all three per muscle group and read them together to see real growth.
The Physicly Blog
Track the change, not the guesswork.
Evidence-minded guides on progress photos, muscle growth and body composition — what your photos can show, and what they can’t.
Comparisons
Best Progress Photo Apps for iPhone in 2026: 6 Compared
Six progress photo apps for iPhone compared on what decides the choice: how they line photos up, where your photos are stored and what they read from them.
Reading about progress is useful. Seeing yours is better.
One photo a morning. Physicly’s AI X-Ray scores 12 muscle groups, shows what changed since day one and projects six months out. Your baseline X-Ray is free.