250+ iOS apps curated and reviewed
Every iPhone needs a few good norwegian 4x4 workout apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (4) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.6★ (66) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.0★ (1) | No | No | Oct 2026 | |
| 4 |  | Free | 5.0★ (1) | No | No | Jun 2026 | |
| 5 |  | $5.99 | 4.3★ (55) | No | No | Nov 2026 | |
| 6 |  | Free | — | No | Yes | Oct 2026 | |
| 7 |  | Free | — | No | Yes | Oct 2026 | |
| 8 |  | Free | 4.5★ (20) | No | No | Oct 2026 |
This app guides you through a structured interval workout, calculating your target heart rate zones and providing real-time coaching. It features a simple warm-up, four intense 4-minute intervals with recovery periods, and a cool-down, all managed by an integrated timer. Track your progress and sync data with Apple Health.
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.
Improve your running performance and VO2 max with the scientifically proven Norwegian 4x4 interval training method. This app offers personalized plans, guided workouts with audio cues, and automatic phase transitions to help you achieve better aerobic fitness.
