Spartimer – Boxing Timer

Spartimer is the fighter’s round timer—perfect for boxing, MMA, BJJ and HIIT workouts.

Train Like a Champion

Shadowbox, hit the heavy bag, grind through Tabata circuits or spar five-minute rounds. Spartimer keeps you on rhythm so you can focus on power, footwork and cardio.

Built for Combat Sports • Fully customizable work, rest and prep times • Unlimited rounds with Spartimer Plus • Loud bell, voice, vibration or haptic cues—works great with Bluetooth speakers & headphones • Clean interface: no ads, no login, zero distractions

Perfect For

• Boxing drills & sparring • MMA / Muay Thai pad work • BJJ / grappling rounds • HIIT, Tabata & Cross-Functional conditioning

Spartimer Plus (One-time purchase)

Unlimited rounds Alternate app icons—match your gym vibe

No subscriptions. Pay once, train forever.

Stay Consistent

Whether you’re learning your first jab-cross or cutting weight for a title fight, Spartimer keeps every round honest. Download now and start your next session in seconds.