Norwegian 4x4 Protocol: Boreas1.4.4 - App Store
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Publisher Description
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/
Version History Improvements and bug fixes 1.4.4 Aug 15 Improvements and bug fixes 1.4.3 Jul 21 Improvements and bug fixes 1.4.2 Jul 6 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.1 Jun 15 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.0 Jun 13 Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
About Norwegian 4x4 Protocol: Boreas
The company that develops Norwegian 4x4 Protocol: Boreas is Havard Tryman. The latest version released by its developer is 1.4.4.
To install Norwegian 4x4 Protocol: Boreas on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Norwegian 4x4 Protocol: Boreas as malware if the download link is broken.
How to install Norwegian 4x4 Protocol: Boreas on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Norwegian 4x4 Protocol: Boreas is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Norwegian 4x4 Protocol: Boreas is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.4.4
posted on 2026-10-13
Version History Improvements and bug fixes 1.4.4 Aug 15 Improvements and bug fixes 1.4.3 Jul 21 Improvements and bug fixes 1.4.2 Jul 6 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.1 Jun 15 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.0 Jun 13 Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
version 1.4.4
posted on 2026-08-22
Version History Improvements and bug fixes 1.4.4 6d ago Improvements and bug fixes 1.4.3 Jul 21 Improvements and bug fixes 1.4.2 Jul 6 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.1 Jun 15 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.0 Jun 13 Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
version 1.4.3
posted on 2026-07-25
Version History Improvements and bug fixes 1.4.3 3d ago Improvements and bug fixes 1.4.2 Jul 6 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.1 Jun 15 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.0 Jun 13 Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
version 1.4.2
posted on 2026-07-09
Version History Improvements and bug fixes 1.4.2 2d ago • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.1 Jun 15 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.0 Jun 13 Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
version 1.4.1
posted on 2026-06-30
Version History • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.1 Jun 15 • Made it possible to see the heart rate graph during a workout.
• You can now select even shorter work intervals.
• Workouts can now be saved without an Apple Watch.
• Fixed a problem where voice prompts might not play in the background. 1.4.0 Jun 13 Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
version 1.3.1
posted on 2026-06-03
Version History Improvements and bug fixes 1.3.1 May 14 Improvements and bug fixes 1.3.0 Apr 28 Improvements and bug fixes 1.2.6 Apr 23 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.5 Apr 6 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.4 Mar 7 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.3 Mar 4 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.2 Feb 18 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.2.1 Feb 14 Norwegian 4x4 Protocol: Boreas now displays heart rate, current heart rate zone, and calories on Apple Watch during workouts. 1.2.0 Feb 3 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.4 12/11/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.3 12/05/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.2 09/28/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.1 09/07/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.1.0 09/02/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.2 08/31/2025 This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes 1.0.1 08/28/2025 1.0.0 08/27/2025
version 1.2.4
posted on 2026-03-07
This version of Norwegian 4x4 Protocol: Boreas includes improvements and bug fixes
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