RoundBlitz - Boxing Timer

RoundBlitz is the boxing interval timer designed for serious fighters. No clutter. No ads. Just massive, easy-to-read countdown digits and the sound of the bell. Whether you're shadowboxing at home, hitting pads with your coach, or sparring at the gym — RoundBlitz keeps your rounds tight and your rest honest. TRAIN YOUR WAY - Set round duration, rest time, number of rounds, warning alerts, and prep countdown - Choose from ready-made presets: Boxing Standard (12×3:00), Muay Thai (5×5:00), Tabata (8×0:20), or build your own - Save unlimited custom presets for different training sessions DESIGNED FOR THE GYM - Giant timer digits visible from across the room — no squinting mid-round - Landscape mode turns your phone into a wall-mounted gym clock (Pro) - Works in the background so you can play your music while training - Haptic feedback for round changes when your phone is in your pocket SOUND LIKE FIGHT NIGHT - Authentic boxing bell for round start and end - 10-second warning alert so you know when to push harder - Pro Sound Pack: trainer callouts, crowd ambiance, and premium bell tones GO PRO — ONE TIME, FOREVER Unlock the full RoundBlitz experience with a single $4.99 purchase. No subscription. No recurring charges. Ever. Pro includes: - Premium Sound Pack with trainer callouts and crowd ambiance - Landscape Mode for gym-wide visibility - Custom Presets with unlimited saves - Apple Watch companion app with wrist haptics - Gesture Auto-Pause — wave to pause, no need to touch your phone BUILT FOR FIGHTERS RoundBlitz was designed by people who actually train. Every decision — from the oversized digits to the one-tap start — was made to keep you focused on your workout, not your phone. Compatible with iPhone, iPad, and Apple Watch.