No. Every session is bodyweight-only and works in a 2m × 2m space.

No. HIITPrime works entirely on your device. An optional Pro account unlocks the AI form coach and history sync.

Never. Pose estimation runs on-device using MediaPipe. Frames are analyzed locally and immediately discarded.

Yes. HIITPrime is an installable PWA. After the first load, workouts run without a network connection.

For most goals — general fitness, fat loss, VO₂max — yes, when the intensity is honest. HIITPrime keeps you honest.

Yes. One tap, no email chase, no dark patterns.