Delta: Strength Training Log

Delta reads your recovery so you train at the intensity today calls for, progresses each lift by the method it responds to, and shows you which lifts are actually getting stronger. Most workout trackers record what you did. The question a lifter actually has is whether that beat last time, and whether it beat it at a comparable load. Delta is built around that question. READINESS, FROM YOUR OWN BASELINE Every morning Delta reads your overnight signals from Apple Health: resting heart rate, heart rate variability, respiratory rate, wrist temperature, and sleep. It scores today against your own baseline, where 50 is your normal. No universal thresholds. Readiness calibrates over your first 14 nights, and it needs an Apple Watch worn overnight. The rest of the app works fully without one. A LOGGER BUILT FOR THE GYM FLOOR Sessions start on your iPhone, and the watch wakes as the logger:…