Flip Jump Stack

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.