Norwegian 4x4 Protocol: Boreas is made and published by Havard Tryman. AppBrain is an independent app data site and isn't affiliated with Havard Tryman. The app name, icon, screenshots and description belong to Havard Tryman and are shown as published on the App Store.

About Norwegian 4x4 Protocol: Boreas

Norwegian 4x4 Protocol: Boreas is a sports app developed by Havard Tryman.

User Ratings

Norwegian 4x4 Protocol: Boreas is rated 4.71 out of 5 stars. The rating is based on 65 ratings.

App Information

Norwegian 4x4 Protocol: Boreas is freely available from the App Store. The app size is 9.31 MB. The latest version available is 1.4.4. The last update was on August 15, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since August 2025.

Description by Havard Tryman (from the App Store)

Get started with Norwegian 4x4 interval training.

Norwegian 4x4 Protocol: Boreas makes it easy to get started with the Norwegian 4x4 protocol. Just select warm-up and cooldown duration, and the app handles the rest. You can connect an Apple Watch to track your heart rate and calories. The app supports voice guidance to let you know when the interval is about to end and when the next interval starts.

Features:
• Perform Norwegian 4x4 workouts.
• Know when the next interval starts while the app is in the background with voice guidance.
• Get current heart rate, heart rate zone and calories from your Apple Watch.
• Save your workouts to the Health app.
• No sign-in is required.

Norwegian 4x4 Protocol: Boreas is a HIIT interval timer for improving cardio, which is relevant if you're training for 5k, 10k, half marathon, marathon, improving VO2 max or general fitness.

If you have a suggestion for how to improve Norwegian 4x4 Protocol: Boreas, feel free to contact the App Support email.

Always consult with a healthcare provider before starting any new exercise program. Exercise can carry risks, especially for people who have certain medical conditions or who have not been physically active in a long time. It's important to understand that using this app does not replace a doctor's advice or treatment.

Terms of use for Norwegian 4x4 Protocol: Boreas: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Screenshots

Screenshots by Havard Tryman, from the the App Store listing

Official page on the App Store

Alternatives to Norwegian 4x4 Protocol: Boreas

Changelog of Norwegian 4x4 Protocol: Boreas

No changelog data

Developer information for Havard Tryman

Havard Tryman

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App Store Rankings for Norwegian 4x4 Protocol: Boreas

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Technologies used by Norwegian 4x4 Protocol: Boreas

Frequently asked questions about Norwegian 4x4 Protocol: Boreas

Is Norwegian 4x4 Protocol: Boreas free?

Yes. Norwegian 4x4 Protocol: Boreas is free on the App Store.

Is Norwegian 4x4 Protocol: Boreas still available?

Yes. Norwegian 4x4 Protocol: Boreas is on the App Store, and the last update we saw was on August 15, 2026.

How large is Norwegian 4x4 Protocol: Boreas?

Norwegian 4x4 Protocol: Boreas is 9.31 MB.

Is Norwegian 4x4 Protocol: Boreas suitable for children?

App Store rates the content of Norwegian 4x4 Protocol: Boreas as suitable for everyone.

How do people rate Norwegian 4x4 Protocol: Boreas?

Norwegian 4x4 Protocol: Boreas scores 4.71 out of 5 stars, from 65 ratings on the App Store.

Who made Norwegian 4x4 Protocol: Boreas?

Norwegian 4x4 Protocol: Boreas was developed by Havard Tryman. It is listed in the sports category on the App Store.

What are the best alternatives to Norwegian 4x4 Protocol: Boreas?

People looking at Norwegian 4x4 Protocol: Boreas also look at these sports apps: Tabata Workout Timer (TWT), Fortuna Training Facility, Lane Timer, Sci-Fi Board, Prestige Baseball.

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