# Norwegian 4x4 Protocol vs Step Recall

The clearest difference is update cadence: Step Recall at weekly against Norwegian 4x4 Protocol's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Norwegian 4x4 Protocol sells 2 in-app purchases, starting at $8.99 per 7 days and Step Recall sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Norwegian 4x4 Protocol ships an update fortnightly, Step Recall weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Norwegian 4x4 Protocol | Step Recall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (66 ratings)](https://appshunter.io/ios/app/norwegian-4x4-protocol-boreas/id6751464534/reviews)** | — |
| Number of ratings | **66** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Freemium | — |
| Size | 9 MB | 69 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Havard Tryman](https://appshunter.io/developer/1662964293) | [Proiectus GmbH](https://appshunter.io/developer/1885129725) |

## What reviewers say

### Norwegian 4x4 Protocol

[App page](https://appshunter.io/ios/app/norwegian-4x4-protocol-boreas/id6751464534)

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.

**Highlights:** Norwegian 4x4 workouts, Voice guidance for intervals, Apple Watch heart rate tracking, Calorie tracking, Save workouts to Health app, No sign-in required

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $8.99 | per 7 days |
| Pro | $24.99 | per year |


### Step Recall

[App page](https://appshunter.io/ios/app/step-recall/id6761576919)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $5.99 | one-time |


## Frequently asked questions

### Is Norwegian 4x4 Protocol free?

Norwegian 4x4 Protocol is free to download, with in-app purchases available.

### Is Step Recall free?

Step Recall is free to download, with in-app purchases available.

### Do Norwegian 4x4 Protocol or Step Recall have ads?

Neither Norwegian 4x4 Protocol nor Step Recall shows ads.

### Which is updated more often, Norwegian 4x4 Protocol or Step Recall?

Norwegian 4x4 Protocol ships an update fortnightly, and Step Recall weekly. Most recently, Norwegian 4x4 Protocol was updated on October 28, 2026 and Step Recall on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*