RoundBoss: Voice HIIT Timer

Set a custom interval timer with your voice in under a second. Hold, speak your workout, and train. Premium sound themes, shareable timers, weekly stats.

The fastest way to start an interval timer. Just say it.

Hold the button, speak your workout - "five rounds, two minutes, one minute rest" - and RoundBoss builds it and starts training. No menus, no fiddling. Your timer, set up in under a second.

Why RoundBoss • Voice-to-timer - describe any interval workout and it's ready instantly • Built for the way you train - HIIT, Tabata, boxing/MMA rounds, EMOM, circuits, mobility, breathwork • Premium sound themes - boxing bells, dojo blocks, arcade, zen, and more • Share a timer with one link - send friends the exact session and see who finished it • Weekly wrap - your training, summed up and shareable • Full control - per-round times, warm-ups, warnings, prep - as simple or custom as you want

Free to use. Premium unlocks sound themes, unlimited saved timers, completion tracking, and clone & remix.

Interval timers, instantly. Download RoundBoss.

ROUNDBOSS PREMIUM • 16 premium sound themes & voice coaches • 9 exclusive color themes • Unlimited custom timer configurations • Clone & remix any template • Weekly training wraps

Start with a 7-day free trial on the annual plan ($29.99/year). Also available monthly at $4.99/month. Cancel anytime.

Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.

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