Version history
Norwegian 4x4 Protocol
18
ASO score
Text
21/100
Reviews
0/100
Graphic
40/100
Other
0/100
App Rating
3
Votes
120
App Age
1 year 6m
Last Update
Aug 11, 2025
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Installs
|
232
|
34.7M
|
-100%
|
|
Rating
|
3
|
4.53
|
-34%
|
|
Number of Ratings (Voted)
|
120
|
47.9M
|
-100%
|
|
App Age
|
1y 5m
|
7y 5m
|
-80%
|
|
Price
|
$6
|
$0
|
|
|
In-app Purchases Price
|
$0
|
$63
|
|
|
Update Frequency
|
48d
|
158d
|
-70%
|
|
Title Length
|
22
|
26
|
-15%
|
|
Short Description Length
|
80
|
70
|
+14%
|
|
Description Length
|
3 307
|
3 170
|
+4%
|
|
Number of Screenshots
|
551
|
1010
|
-45
%
|
|
Has Video?
|
No
|
0% has videos
|
|
|
Size
|
0MB
|
0MB
|
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 18, 2025 | Dec 25, 2025 |
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No results were found!
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| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
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No results were found!
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Downloads
Downloads Graph
Total
225
Last month
19
Text ASO
Title
(
Characters:
22
of 50
)
Norwegian 4x4 Protocol
Short Description
(
Characters:
80
of 80
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Norwegian 4x4 Protocol HIIT Training App for HRmax and VO2. Join the revolution!
Description
(
Characters:
3307
of 4000
)
Join the sport revolution of the scientifically proven Norwegian 4x4 protocol for VO2 max! The simple training app to support your fitness transformation.
REVOLUTIONIZE YOUR FITNESS WITH NORWEGIAN 4x4 PROTOCOL!
Experience the Power of the Norwegian 4x4 Training!
WHAT IS NORWEGIAN 4x4 PROTOCOL?
The Norwegian 4x4 Protocol is a cutting-edge approach to exercise that can significantly boost your cardiovascular health and stamina. It consists of four intense four-minute intervals at 90-95% of your maximum heart rate, each followed by a three-minute recovery period. This scientifically backed method is renowned for its efficiency in improving VO2 max and overall endurance. Whether you're an athlete or a fitness enthusiast, this protocol will take your performance to new heights.
ABOUT THE APP
The Norwegian 4x4 App is the perfect companion for anyone looking to implement the 4x4 training protocol into their routine. With easy-to-follow workout guidance, interval timing, and progress tracking, this app simplifies your training and motivates you to reach your fitness goals. It is also applicable to your favourite HIIT training and is basically sport-agnostic. You can apply it to any high-intensity training you prefer!
EXPLORE THE NORWEGIAN 4x4 PROTOCOL IN DETAILS:
The Norwegian 4x4 Protocol is a high-intensity interval training routine founded on decades of sports science research. This training regimen consists of four cycles of 4-minute intervals, where each cycle is performed at 90-95% of a person's maximum heart rate, followed by 3 minutes of active recovery. The effectiveness of this method lies in its ability to push the cardiovascular system to adapt and improve the body's ability to utilize oxygen during exertion – a key factor in athletic performance known as VO2 max.
VO2 max is often used to measure an athlete's capacity to perform sustained exercise and is linked to aerobic endurance. The protocol's design activates the body's metabolic mechanisms to enhance cardiovascular efficiency, boost endurance, and increase overall fitness. Studies have shown that individuals who engage in 4x4 interval training can experience significant improvements in their VO2 max, leading to better performance in endurance sports and overall health.
Adhering to the protocol's structure is crucial for maximizing its benefits, which is why the Norwegian 4x4 App is an essential tool for any fitness enthusiast. The app provides a user-friendly platform to guide users through the intervals with accurate timing, ensuring that each session is as effective as possible. By combining the scientific approach of the 4x4 Protocol with modern technology, our app offers a convenient and powerful solution to improve your fitness.
Join a community of fitness enthusiasts who are discovering the transformative power of the Norwegian 4x4 Protocol. With the app, you'll gain access to in-depth tracking, customization options, and educational resources to enhance your training experience. Whether you're a competitive athlete looking to gain an edge or someone seeking to improve their cardiovascular health, the Norwegian 4x4 App is designed to help you achieve your fitness goals.
JOIN THIS FITNESS REVOLUTION TODAY! INSTALL NORWEGIAN 4x4 APP NOW!}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 120 |
| Google Play Link: | |
| Price: | 7.45 $ |
| Website: | |
| Email: | - |
| Privacy Policy: | |
| Categories: | Health & Fitness |
| Size: | - |
| Installs: | 225 |
| App Age: | 1 year 6 months |
| Release Date: | Jul 01, 2024 |
| Last Update: | Aug 11, 2025 |
| Version: | 1.12 |
Version history
1.12
Aug 11, 2025
Timer's background mode support (allows switching between the apps while Norwegian 4x4 keeps running.
1.11
Aug 08, 2025
UI fixed to support Samsung Ultra S24.