Zones Cardio

20-Minute Treadmill Workouts

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Transform your treadmill workouts with Zones Cardio — the app that turns every 20 minutes into a results-driven cardio session. Whether your goal is weight loss, overall fitness, or better performance, Zones uses science-based heart rate variability training to give you the benefits of a 60-minute run in just 20 minutes. What Makes Zones Cardio Different • Scientifically Designed Programs: Each session is created from research-backed algorithms that optimize your workout intensity minute by minute.  • Simple, Guided Workouts: Just press Today's Workout — no more guessing what to do on the treadmill.  • Proven Results: Burn more fat, build endurance, and improve cardiovascular health — in less time.  • Engaging and Varied: Every day's workout is different, keeping you motivated and free from treadmill boredom.  • Four Zones, One Goal: Alternate between walking, jogging, running, and sprinting to maximize heart rate variability and results. Choose Your Program: • Zones Starter: Begin your fitness journey safely and effectively.  • Weight Loss: Burn calories and boost metabolism fast.  • Total Fitness: Build endurance, strength, and overall cardiovascular health.  • Tactical: Build tactical strength for real-world performance.  • Athlete: Enhance athletic performance and stamina. Why It Works: Studies show that alternating between intensity zones increases calorie burn, boosts heart health, and accelerates results — even when training for just 20 minutes. Subscription Required Access to all programs requires an active subscription.  • 7-Day Free Trial: Try Zones Cardio risk-free  • Monthly Plan: $19.99/month after trial  • Annual Plan: $119.99/year (best value — save 50%)  • Payment will be charged to your iTunes Account at confirmation of purchase  • Subscription automatically renews unless canceled at least 24 hours before the end of the current period  • Manage subscriptions in iOS Settings → Subscriptions Privacy Policy & Terms of Use: https://zonescardio.com/legal Get ready to experience cardio redefined. Download Zones Cardio today and start your 7-day free trial.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

- Added "Tips for Success" video library to help you get the most out of your training - 4 new sport-specific programs: train smarter for your game - Fixed timer accuracy so your intervals stay perfectly on track - Cleaner workout screen with distraction-free layout - Improved post-workout sharing experience - Enhanced account management with clearer messaging and guidance

Version 1.4

The developer, Redline Cardio, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Redline Cardio, LLC
Size
  • 35.8 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 14.0 or later.
  • iPhone
    Requires iOS 14.0 or later.
  • iPad
    Requires iPadOS 14.0 or later.
  • iPod touch
    Requires iOS 14.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • Zones Cardio Monthly $19.99
  • Zones Cardio Annual $119.99
  • Learn More
Copyright
  • © 2025 Redline Cardio LLC
  • Privacy Policy

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