4x4 Intervals Training Norway Android

4x4 Intervals Training Norway

Train like Norwegian 4x4 interval interval timer 4 min ON, 4 min OFF, repeat x4

Features & Capabilities

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 discussions about longevity and brain health, Louisa Nicola highlighted this interval method as a powerful cardiovascular training approach used in performance and health optimization.

This app simply helps you run the protocol consistently.

Features

• Simple 4x4 interval timer
• Clear ON / OFF phase guidance
• Optional sound cues for interval changes
• Large easy-to-read timer for workouts
• Session progress tracking and streaks
• Minimal interface designed for training

No accounts.
No complicated setup.
Just start when you're ready.

How it works

Tap Start

Push hard for 4 minutes

Take 4 minutes full rest

Repeat for 4 rounds

Total session time: about 32 minutes.

Ideal for

• VO₂ max interval training
• Running intervals
• Cycling workouts
• Treadmill training
• Stepper or rowing workouts
• HIIT cardio sessions

Research context

The Norwegian 4x4 method has been studied in exercise science for its ability to stimulate high aerobic workload during short intervals. The app references this training approach discussed by neuroscientist and performance expert Louisa Nicola in conversations around cardiovascular fitness and long-term health.

This app does not provide medical advice and is intended only as a simple training timer.

User Growth & Download Statistics

App
By:
Kesem Solutions Pty Ltd
Downloads:
84 13
Version:
1.0.88 Last updated: 2026-03-18
Version code:
88
Creation date:
2026-03-05
Publisher country:
AU AU
Permissions:
  • android.permission.INTERNET Low risk
  • android.permission.WAKE_LOCK Low risk
  • android.permission.VIBRATE Safe
  • com.android.vending.CHECK_LICENSE Safe
  • com.kesemsolutions.timer4x4.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Size:
26.05MB
Email:
io*****@kesemsolutions.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-08
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
Kesem Solutions Pty Ltd
Google Play Store
https://play.google.com/store/apps/details?id=com.kesemsolutions.timer4x4
Email:
io*****@kesemsolutions.com
Website:
https://kesemsolutions.com/4x4-Interval-Fitness-Training-app

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