# Norwegian 4x4 Protocol vs Reptrackr

Norwegian 4x4 Protocol and Reptrackr both sit at 4.3 stars, but that hides the real split: 100% of Reptrackr's written reviews are positive against 25% of Norwegian 4x4 Protocol's. Reptrackr also leads on price (Free vs $5.99). Norwegian 4x4 Protocol's advantage is in-app purchases (none vs 2) and chart position (#195 vs unranked). On rating, update cadence, ads and device support there is nothing between them.

Reptrackr is free to download; Norwegian 4x4 Protocol costs $5.99 up front. Reptrackr sells 2 in-app purchases, starting at $4.99 per month. Norwegian 4x4 Protocol asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Norwegian 4x4 Protocol against 4.4 for Reptrackr. That said, the two scores are not equally well evidenced: Norwegian 4x4 Protocol has 55 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 25% of Norwegian 4x4 Protocol's written reviews are positive against 100% of Reptrackr's.

Norwegian 4x4 Protocol ships an update every 3 weeks, Reptrackr every 2 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Norwegian 4x4 Protocol | Reptrackr |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.3 (55 ratings)](https://appshunter.io/ios/app/norwegian-4x4-protocol/id6499464775/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/reptrackr-lacrosse-training/id6743541821/reviews)** |
| Number of ratings | **55** | 9 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#195** | — |
| Size | 5 MB | 65 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Yampolski](https://appshunter.io/developer/1441915166) | [Peregrine Innovations LLC](https://appshunter.io/developer/1803371544) |

## What reviewers say

### Norwegian 4x4 Protocol

[App page](https://appshunter.io/ios/app/norwegian-4x4-protocol/id6499464775)

**Currently charting:** #195 Top Paid · Health & Fitness (US App Store)

This app guides you through the effective Norwegian 4x4 interval training method to boost cardiovascular performance and endurance. It features a precision timer, heart rate zone tracking, and progress monitoring for scientifically proven results.

**Highlights:** Precision 4min work / 3min rest cycles, Heart rate zone tracking (90-95% max HR), VO2 Max improvement tracking, Multiple HIIT workout protocols, Progress monitoring, Universal cardio training support, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Reptrackr

[App page](https://appshunter.io/ios/app/reptrackr-lacrosse-training/id6743541821)

This app helps lacrosse players improve their skills with performance tracking tools. It offers a structured approach to training for real results on the field.

**Highlights:** Performance tracking tools, Skill improvement focus, Structured training approach, Designed for lacrosse players, Real results oriented

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Coach Lifetime Membership | $124.99 | one-time |


## Frequently asked questions

### Is Norwegian 4x4 Protocol free?

Norwegian 4x4 Protocol costs $5.99, with no in-app purchases.

### Is Reptrackr free?

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

### Which has better reviews, Norwegian 4x4 Protocol or Reptrackr?

Reptrackr is rated higher. Norwegian 4x4 Protocol averages 4.3 out of 5 from 55 ratings, while Reptrackr averages 4.4 from 9 ratings.

### Do Norwegian 4x4 Protocol or Reptrackr have ads?

Neither Norwegian 4x4 Protocol nor Reptrackr shows ads.

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

Norwegian 4x4 Protocol ships an update every 3 weeks, and Reptrackr every 2 weeks. Most recently, Norwegian 4x4 Protocol was updated on October 22, 2026 and Reptrackr on October 25, 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.*