Best apps like Norwegian 4x4 Protocol

10+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated October 2026

Norwegian 4x4 Protocol is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Norwegian 4x4 Protocol

Tabata & HIIT Timer - PEAKVO2#1

Tabata & HIIT Timer - PEAKVO2 by Cristian Serb

Interval Training & Endurance
Editor's Choice
💪 Health & Fitness
5.0(4 ratings)
FreeIn-App Purchases
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This app provides science-backed interval training protocols to improve cardiovascular fitness and long-term health. It guides users through warm-ups, work intervals, and cool-downs with customizable timers and activity tracking.

Buteyko Pro#2

Buteyko Pro by Eduard Reuvers

Breathing exercises, 52 levels
Strong Contender
💪 Health & Fitness
4.8(44 ratings)
Free
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Learn and practice the Buteyko breathing method with guided exercises and progress tracking. This app offers a progressive training system with audio instructions, tips, and timers to improve your breathing and overall health. It integrates with courses and webinars for personalized instruction.

2.4😐(45 ratings)
FreeIn-App Purchases
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This program offers a 52-week exercise plan designed to strengthen bones, particularly for pre-menopausal women. It includes pre-conditioning, stretching, and progressive osteogenic exercises performed at home.

What We Love

  • 👍 Simple and easy to use
  • 🔬 Research-backed and genuine
  • 💪 Great for bone health
  • ✨ New updates are great
  • 🏃‍♀️ Motivating for exercise
  • ✅ Functional and effective
  • 🌟 Amazing customer service
  • 🚀 Improved functionality
  • 📈 Helps track progress
  • 👩‍🔬 Science-backed programs
  • 💯 Highly recommended

Room to Improve

  • 🐛 Very buggy and glitchy
  • ❌ App doesn't work properly
  • 💳 Expensive renewal cost
  • 🚫 No free trial or sample
  • ⚠️ Price not as advertised
  • frustrating User experience
  • 🤔 Confusing layout and navigation
  • 💰 High cost for content
  • 📱 Not working on iPhone
  • 🔒 Difficult to turn off notifications
  • 🗑️ Difficult to delete account
  • 🔊 Countdown without volume needed
  • 🔄 Repetitive intro videos
  • ⏳ Long response times from support
  • 👎 Poor production quality

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