WALKY: Interval Walking

Slow-fast walks & cute Walkys

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Make walking count with science-backed Interval Walking (IWT) & Walky! 3 min slow / 3 min fast boosts strength & stamina. Pocket-friendly cues. Collect 14 cute Walkys Make every walk count. WALKY makes "Interval Walking Training (IWT)" — the method developed by a Shinshu University research team in Japan — easy, cute, and effortless. Just alternate "3 minutes slow → 3 minutes fast," and the same amount of walking builds far more strength and cardio. ■ Why Interval Walking (IWT)? In a 5-month study, leg strength rose +13–17%, peak aerobic capacity +8–14%, with improved blood pressure. The goal: 60 minutes of fast walking a week (4 days is plenty). Short, hard, and effective. ■ Phone in your pocket — just walk Beat music and voice cues announce every phase change, so you never need to look at the screen. It buzzes to let you know even from your pocket or a locked screen. ■ Collect 14 cute Walkys Hit a goal and a new Walky character unlocks — your reason to take one more step today. ■ Your walks at a glance Route on a map, heart rate, segment-by-segment stats, calendar, and streaks — all automatic. Wear an Apple Watch for richer heart-rate data. ■ Free — no servers, no account, no login Everything is stored only on your phone. No sign-up; open it and start walking. Start 3-minute interval walking with WALKY today. Your very first walk unlocks "Classic Walky"!

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The developer, Jaewook Jung, 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 Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

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
  • Jaewook Jung
Size
  • 40.5 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Location
  • This app may use your location even when it isn’t open, which can decrease device battery life.
Languages
English and 2 more
  • English, Japanese, Korean
Age Rating
9+
Copyright
  • © 2026 Jinno
  • Developer Website
  • Privacy Policy

    • More by Jaewook Jung