Comparison

4x4 HIIT vs Stomp It Tutorials

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

4x4 HIIT

Read full description

Transform your cardiovascular fitness with the Norwegian 4x4 HIIT protocol - the scientifically-backed method used by elite athletes and researchers to dramatically improve VO2 max and heart health. WHAT IS 4x4? Four intervals of 4 minutes at high intensity (85-95% max heart rate), separated by 3 minutes of active recovery. That's it. WHY IT WORKS Developed by Norwegian exercise scientists, this protocol has been proven in clinical studies to: - Increase VO2 max faster than traditional cardio - Improve cardiovascular health - Boost endurance and athletic performance - Deliver maximum results in minimum time SIMPLE TO USE - Clear visual timer with audio cues - Tracks your intervals automatically - Works with any activity: running, cycling, rowing, or body weight exercises - No complicated setup - just hit start PERFECT FOR - Runners looking to improve race times - Athletes building aerobic capacity - Anyone wanting efficient, science-backed cardio - People with limited time for training The Norwegian 4x4 protocol is one of the most researched and effective HIIT methods available. Stop guessing. Start training with proven science. Download now and take the first step toward your best cardiovascular fitness.

About

Stomp It Tutorials

Master skiing techniques and tricks with step-by-step video tutorials, live coaching, and a supportive community. Learn to carve, spin, and improve your confidence on the slopes year-round.

Highlights
  • Step-by-step video courses
  • Live coaching sessions
  • Private skier community
  • Self-assessment tools
  • Freestyle trick progressions
  • Carving and turn techniques
Features
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Master Turns & Tricks with Step-By-Step Ski Tutorials For about the cost of half of a ski or less than a two-hour private lesson you’ll unlock year-round access to every Stomp It course, live coaching sessions, and a motivated skier community. The Stomp It App helps you master skiing faster with structured video tutorials that build skill and confidence step by step. Learn clean parallel turns, carve with precision, and stomp your first grabs, spins, and flips. Who It’s For This app is made for passionate skiers who love Stomp It Tutorials and want to go deeper: • Recreational skiers who want to get more from their ski trips • Freestyle skiers learning grabs, spins, flips, and corks • Ski instructors working toward Levels 1–3 and beyond • Coaches seeking new progressions and inspiration What You Get Step-By-Step Courses • Structured lessons for carving, short turns, freestyle, freeride, and more • Each drill builds on the last so you always know what to work on next Live Sessions • Join Q&A calls and live workshops with Jens Nyström and the Stomp It coaching team Learn to Self-Assess • Understand what great skiing looks like and coach yourself like a pro • Keep progressing all season Private Skier Community • Share clips, wins, and questions with motivated skiers worldwide • Stay accountable and inspired between trips Before & After Camps • Prepare for Stomp It Camps and continue learning afterward • Use guided drills and feedback to build lasting progress The Stomp It App combines structured training, expert coaching, and community support to help you ski with confidence, control, and flow—on every run. Learn. Stomp. Repeat. -- ▷ Already a Member? Sign-In to access your subscription. ▷ New? Subscribe in the app to get instant access. Stomp It Tutorials offers auto-renewing subscriptions. You'll receive unlimited access to content on all your devices. Payment is charged to your Account at confirmation of purchase. Pricing varies by location and is confirmed prior to purchase. Subscription automatically renews each month unless canceled at least 24 hours before the end of the current billing period, or the trial period (when offered). Cancel anytime in Account Settings. For more information see our: -Terms of Service: https://stompit.app/terms -Privacy Policy: https://stompit.app/privacy

Screenshots

4x4 HIIT4 screens
Stomp It Tutorials3 screens

Verdict

The call

The clearest difference is in-app purchases: 4x4 HIIT at none against Stomp It Tutorials's 2. Stomp It Tutorials's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stomp It Tutorials sells 2 in-app purchases, starting at $19.99 per month. 4x4 HIIT asks for nothing beyond the download.

UpkeepUpdate frequency

4x4 HIIT ships an update every 2 months, Stomp It Tutorials every 5 weeks. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 7 level
4x4 HIIT versus Stomp It Tutorials: the parameters behind the verdict, then further details
Parameter4x4 HIITStomp It Tutorials
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size2 MB63 MB
Age rating17+4+
DeveloperSIA ValabijsStomp It Tutorials GmbH

In-app purchases

None

4x4 HIIT

No in-app purchases

2 purchases

Stomp It Tutorials

Subscriptions2
  • X-Camper Month Pass14 Days trial$19.991 Month
  • Atomic Skiers2 Months trial$229.991 Year

Questions

Is 4x4 HIIT free?
4x4 HIIT is free to download, with no in-app purchases.
Is Stomp It Tutorials free?
Stomp It Tutorials is free to download, with in-app purchases available.
Do 4x4 HIIT or Stomp It Tutorials have ads?
Neither 4x4 HIIT nor Stomp It Tutorials shows ads.
Which is updated more often, 4x4 HIIT or Stomp It Tutorials?
4x4 HIIT ships an update every 2 months, and Stomp It Tutorials every 5 weeks. Most recently, 4x4 HIIT was updated on October 1, 2026 and Stomp It Tutorials on October 6, 2026.

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