Loamly
See the visitors ChatGPT sends you — they convert 4x

Master your HIIT training and improve VO2 max with ease


This mobile application provides a structured digital framework for the Norwegian 4x4 interval training method on iOS and Android. It integrates heart rate monitoring with precision timing to help users track physiological data during high-intensity cardiovascular workouts.
Ideal for: Non-technical users seeking a guided mobile tool to manage high-intensity interval training and monitor their VO2 max progress through simplified data reporting.
No updates yet. Check back later for updates from the team.
No reviews yet. Be the first to rate this product!
See the visitors ChatGPT sends you — they convert 4x
Make plans, share with friends and countdown to trips
Comments (3)
Congratz for your launch
HIIT training app focused on VO2 max improvement via the Norwegian 4x4 method is great for serious runners.
Norwegian 4x4 Protocol App: Transform Your Fitness Download the official app and master the proven Norwegian 4x4 workout method. Boost VO2 max with guided intervals, heart rate tracking, and scientifi