Norwegian 4x4 Timer
VO2 max interval protocol
About
This free app guides users through the Norwegian 4x4 interval training protocol to improve cardio and VO2 Max. It supports various cardio activities and allows for customization of interval durations and repetitions.
What's New in Norwegian 4x4 Timer
1.0.1
September 4, 2026
• Added prompt for review after completing a few workouts
Developer apps
FAQ
What is the Norwegian 4x4 Timer app?
Norwegian 4x4 Timer is a free application designed to guide users through the specific Norwegian 4x4 interval training protocol. It helps improve cardio and VO2 Max.
Can I customize the intervals in Norwegian 4x4 Timer?
Yes, the app allows for customization of interval durations and the total number of intervals. This flexibility caters to individual training needs.
What types of workouts can I use Norwegian 4x4 Timer for?
You can use Norwegian 4x4 Timer for a variety of cardio activities, including running, rowing, cycling, jump rope, and other forms of interval-based training.
Is Norwegian 4x4 Timer free to use?
Yes, Norwegian 4x4 Timer is a free application. There are no costs associated with downloading or using its core features.
Does Norwegian 4x4 Timer have ads?
No, Norwegian 4x4 Timer does not contain advertisements. The app is ad-free, providing an uninterrupted user experience.
What devices are supported by Norwegian 4x4 Timer?
Currently, Norwegian 4x4 Timer is supported on iPhones. It is designed for the iOS mobile platform.
How often is Norwegian 4x4 Timer updated?
The app was last updated on September 4, 2026, to version 1.0.1. Future updates will depend on developer plans for improvements and bug fixes.
What is the age rating for Norwegian 4x4 Timer?
Norwegian 4x4 Timer has an age rating of 4+. This indicates it is suitable for a wide range of users.