4x4 Timer Interval Training

4x4 Timer Norwegian Intervals is a simple, distraction-free interval timer designed for the Norwegian 4x4 training protocol, a well-known aerobic workout used to improve cardiovascular fitness and VO₂ max. The method is straightforward: 4 minutes ON. 4 minutes OFF. Repeat x4. This app guides you through the full session with clear visual timers and optional sound cues so you can focus on the workout, not the clock. Why Norwegian 4x4? The Norwegian 4x4 protocol has been widely studied in exercise physiology research as an effective way to train aerobic capacity and endurance. In recent di...

📱 Category: Health Fitness

👨‍💻 Developer: Kesem Solutions Pty Ltd

💰 Price: Free to download

⭐ Rating: 0.0/5 from 0 users

🏷️ Genres: ["Health & Fitness","Lifestyle"]

🔞 Age Rating: 4+

📦 Size: 12 MB

🔢 Version: 1.0

📲 Requires: iOS 13.0+

📅 On App Store: 0 months

🌍 Languages: 1