Norwegian 4x4 Protocol
Norwegian 4x4 Protocol is #150 in Health & Fitness Paid in United States and charting in 1 of 24 countries we track.
Updated 28 Sep 2026 · rankings refresh through the day
DeveloperNikita Yampolski
CategoryHealth & Fitness
Price5.99 USD
Released
Rating★ 4.3 (53)
Version2.5
Age rating4+
First seen by us
26 Sep 2026
26 Sep 2026Installs (est.)1k+ worldwide
Rating
4.3 ★
53 ratings
Measured
Best rank now
#150
Health & Fitness PaidMeasured
Norwegian 4x4 Protocol on the App Store
App details
App ID
6499464775
Publisher
Nikita Yampolski
Minimum OS
iOS 17.6+
Content rating
4+
Languages
1
EN
Size
5 MB
Norwegian 4x4 Protocol downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Norwegian 4x4 Protocol's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | Health & FitnessPaid | #150 |
Apps near Norwegian 4x4 Protocol on the chart
Health & Fitness Paid, around #150.
Ratings
App Store, worldwide.
Rating
4.3 ★
53 ratings
Measured
Ratings
53
Measured
About Norwegian 4x4 Protocol
Norwegian 4x4 HIIT Timer — Interval Training & VO2 Max
BOOST VO2 MAX WITH NORWEGIAN 4X4 PROTOCOL WORKOUTS
Train smarter with the Norwegian 4x4 protocol, one of the most studied HIIT methods for improving cardiovascular performance and endurance. A precise, distraction-free timer guides every interval so you can focus on the effort.
KEY FEATURES:
- Norwegian 4x4 Timer - Precision 4min work / 3min rest cycles
- Heart Rate Training - Track 90-95% max HR zones
- VO2 Max Improvement - Scientifically proven results
- HIIT Interval Timer - Multiple workout protocols
- Progress Tracking - Monitor your fitness transformation
- Universal Training - Running, cycling, rowing, any cardio, you name it
- Offline Ready - No internet required during workouts
- Haptics Feedback and Vibrations
- Countdown before the start
- Customizable Warmup session length
- Customizable Cooldown session length
WHAT IS NORWEGIAN 4 BY 4 TRAINING?
The Norwegian 4x4 protocol is a revolutionary HIIT method featuring:
- 4 intervals of 4 minutes at 90-95% max heart rate
- 3 minutes active recovery between intervals
- Proven results: Increase VO2 max by up to 10% in 8 weeks
- Elite approved: Used by professional athletes worldwide
WHY CHOOSE NORWEGIAN 4X4 INTERVAL TRAINING?
- PROVEN RESULTS: Sports science research shows significant cardiovascular improvements
- BEGINNER FRIENDLY: Complete guide for Norwegian 4x4 workout beginners
- CUSTOMIZABLE: Adapt the Norwegian 4 x 4 protocol to your fitness level
- COMPREHENSIVE: Includes warm-up, cool-down, and recovery protocols
- VALIDATED: Mention in Tim Ferriss' Blog
PERFECT FOR:
- Athletes seeking performance gains with Norwegian 4x4 workouts
- Fitness enthusiasts wanting efficient HIIT interval training
- Anyone improving cardiovascular health through proven protocols
- Runners, cyclists, rowers using Norwegian 4x4 interval training
HOW OFTEN NORWEGIAN 4X4?
- Our app includes guidance on optimal training frequency and recovery for maximum VO2 max gains.
START YOUR NORWEGIAN 4X4 TRANSFORMATION
Join thousands who have revolutionised their fitness with the Norwegian 4x4 protocol training. Download the ultimate Norwegian 4x4 workout app now!
Download today and start training with the Norwegian 4x4.
BOOST VO2 MAX WITH NORWEGIAN 4X4 PROTOCOL WORKOUTS
Train smarter with the Norwegian 4x4 protocol, one of the most studied HIIT methods for improving cardiovascular performance and endurance. A precise, distraction-free timer guides every interval so you can focus on the effort.
KEY FEATURES:
- Norwegian 4x4 Timer - Precision 4min work / 3min rest cycles
- Heart Rate Training - Track 90-95% max HR zones
- VO2 Max Improvement - Scientifically proven results
- HIIT Interval Timer - Multiple workout protocols
- Progress Tracking - Monitor your fitness transformation
- Universal Training - Running, cycling, rowing, any cardio, you name it
- Offline Ready - No internet required during workouts
- Haptics Feedback and Vibrations
- Countdown before the start
- Customizable Warmup session length
- Customizable Cooldown session length
WHAT IS NORWEGIAN 4 BY 4 TRAINING?
The Norwegian 4x4 protocol is a revolutionary HIIT method featuring:
- 4 intervals of 4 minutes at 90-95% max heart rate
- 3 minutes active recovery between intervals
- Proven results: Increase VO2 max by up to 10% in 8 weeks
- Elite approved: Used by professional athletes worldwide
WHY CHOOSE NORWEGIAN 4X4 INTERVAL TRAINING?
- PROVEN RESULTS: Sports science research shows significant cardiovascular improvements
- BEGINNER FRIENDLY: Complete guide for Norwegian 4x4 workout beginners
- CUSTOMIZABLE: Adapt the Norwegian 4 x 4 protocol to your fitness level
- COMPREHENSIVE: Includes warm-up, cool-down, and recovery protocols
- VALIDATED: Mention in Tim Ferriss' Blog
PERFECT FOR:
- Athletes seeking performance gains with Norwegian 4x4 workouts
- Fitness enthusiasts wanting efficient HIIT interval training
- Anyone improving cardiovascular health through proven protocols
- Runners, cyclists, rowers using Norwegian 4x4 interval training
HOW OFTEN NORWEGIAN 4X4?
- Our app includes guidance on optimal training frequency and recovery for maximum VO2 max gains.
START YOUR NORWEGIAN 4X4 TRANSFORMATION
Join thousands who have revolutionised their fitness with the Norwegian 4x4 protocol training. Download the ultimate Norwegian 4x4 workout app now!
Download today and start training with the Norwegian 4x4.
Latest updates
2.5
Visual improvements and fixes based on your feedback. Same focused simplicity for your Norwegian 4x4 sessions. Cooldown 4x4 session wrapper added on users feedback (optional, as warm-up).