HoldLINE Calisthenics

Fifteen seconds is longer than you think. Every other training app counts sets, reps and weight, then asks you to squeeze a front lever into that shape. HoldLINE counts the hold. Fifteen clean seconds at bodyweight is a long time when nothing is moving, and the app tracks the number you actually hold. Built by a calisthenics athlete with ten years on the bar, not by a product team that read about it. SKILL LOGIC, NOT WEIGHTLIFTING LOGIC Sets times reps times weight describes a bench press well and a planche not at all. HoldLINE is built the other way round: • Seven skill families with their own progression ladders: front lever, back lever, planche, handstand push-up, muscle-up, iron cross, handstand • A hold timer measured to a tenth of a second, with a countdown so you can film yourself and still start at zero • Fifteen seconds is the reference for a static hold, not a rule the app…