Tools without a subscription — Runs on Apple Watch

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An ad-free HIIT interval timer for iPhone, iPad and Apple Watch with large color-coded phases readable mid-workout.

FreeNo sign-upPay onceNo subscription
What to know▼
How it works
Full-screen color-coded phases, voice coach, haptics and a standalone Watch app with live heart rate
What's different
Paywalls are code-enforced to never interrupt a running timer
Pricing
free, one-time purchase, or subscription options
Best for
People doing HIIT workouts who want a readable, distraction-free timer

Watched for 5 days · last checked today

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