Best Norwegian 4X4 Heart Rate Apps

243+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated November 2026

The best norwegian 4x4 heart rate apps on iPhone average 4.5★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Norwegian 4X4 Heart Rate Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Norwegian 4x4 Heart RateNorwegian 4x4 Heart RateFree5.0★ (1)NoNoJun 2026
2Norwegian 4x4 Protocol: BoreasNorwegian 4x4 Protocol: BoreasFree4.6★ (66)NoYesNov 2026
3Norwegian 4x4 ProtocolNorwegian 4x4 Protocol$5.994.3★ (55)NoNoNov 2026
4Norwegian 4x4 CoachNorwegian 4x4 CoachFree5.0★ (1)NoNoOct 2026
5Norwegian 4x4 workoutNorwegian 4x4 workoutFree5.0★ (4)NoYesOct 2026
6Peak Intervals: Norwegian 4x4Peak Intervals: Norwegian 4x4Free—NoYesOct 2026
7N4x4N4x4Free4.5★ (20)NoNoNov 2026
8VO2 Flow: Norwegian 4x4 TimerVO2 Flow: Norwegian 4x4 TimerFree5.0★ (1)YesYesOct 2026

Top Picks for Norwegian 4X4 Heart Rate

Norwegian 4x4 Heart Rate#1

Norwegian 4x4 Heart Rate by Abe Stanway

VO2max interval timer with HR
Editor's Choice
💪 Health & Fitness
5.0(1 ratings)
Free
Norwegian 4x4 Heart Rate screenshot 1
Norwegian 4x4 Heart Rate screenshot 2

This app guides you through the Norwegian 4x4 VO2max interval training protocol using your Bluetooth heart rate monitor. It provides real-time audio cues to keep you in your target heart rate zones during work and rest intervals.

Norwegian 4x4 Protocol: Boreas#2

Norwegian 4x4 Protocol: Boreas by Havard Tryman

Interval training for VO2 max
Strong Contender
⚽ Sports
4.6(66 ratings)
FreeIn-App Purchases
Norwegian 4x4 Protocol: Boreas screenshot 1
Norwegian 4x4 Protocol: Boreas screenshot 2
Norwegian 4x4 Protocol: Boreas screenshot 3
Norwegian 4x4 Protocol: Boreas screenshot 4

This app guides you through the Norwegian 4x4 interval training protocol to improve your VO2 max and cardiovascular fitness. It offers customizable warm-up and cooldown durations, voice guidance for intervals, and integrates with Apple Watch for heart rate and calorie tracking.

Norwegian 4x4 Protocol#3

Norwegian 4x4 Protocol by Nikita Yampolski

BEST VO2 & HR MAX TRAINING APP
Worth Considering
💪 Health & Fitness
4.3(55 ratings)
$5.99
#99in Health & Fitness
Norwegian 4x4 Protocol screenshot 1
Norwegian 4x4 Protocol screenshot 2
Norwegian 4x4 Protocol screenshot 3
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Norwegian 4x4 Protocol screenshot 6

This app provides a precise, distraction-free timer for the scientifically studied Norwegian 4x4 HIIT method. Improve cardiovascular performance and endurance with guided interval training cycles. Track your progress and adapt workouts to your fitness level.

More Norwegian 4X4 Heart Rate apps to explore

FAQ about Norwegian 4X4 Heart Rate

What are the best norwegian 4x4 heart rate apps for iPhone?
Norwegian 4x4 Heart Rate tops our norwegian 4x4 heart rate apps ranking as of November 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top norwegian 4x4 heart rate apps we rank are free to download, including Norwegian 4x4 Heart Rate and Norwegian 4x4 Protocol: Boreas.
Norwegian 4x4 Heart Rate has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 243+ norwegian 4x4 heart rate apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.