Blog

Science-backed articles on push-up training, recovery science, and the challenges that keep you moving.

Science Feb 27, 2026

How Your iPhone Counts Push-Ups (Without a Wearable)

A deep dive into how ARKit face-tracking technology turns your iPhone into a precision push-up counter — no bands, sensors, or wearables required.

Science Feb 25, 2026

The Science Behind Our Recovery Model

How we estimate recovery time after each push-up session using an additive physiological model — no guesswork, no subjective inputs.

Challenge Feb 1, 2026

The February 50-a-Day Challenge: Why Daily Targets Build Consistency

Why committing to 50 push-ups every day for a month is one of the most effective ways to build a lasting exercise habit — backed by behavioral science.