This interval timer is designed for combat sports training, offering customizable rounds, rest periods, and alerts. It features hands-free gesture control and a large, easy-to-read display for gym use. The app works offline and prioritizes user privacy with no trackers or analytics.
1.4.1
October 6, 2026
• The timer now keeps running when you leave the app or lock your phone, including the bells and countdown beeps. • New: your round timer in the Dynamic Island and on the Lock Screen, with pause and skip buttons. • Closed or killed the app mid-workout? It picks up where you left off. • Allow notifications and a bell alert still rings at each round change even if the app is closed. • Optional: lower other audio while the bell rings (Settings > Lower Music During Bells). • Bug fixes and improvements.
More$4.99
Pro
Pro
RoundBlitz is a boxing interval timer designed for serious fighters. It offers customizable rounds, rest periods, and alerts with a large, easy-to-read display and hands-free gesture control for seamless training.
RoundBlitz is a paid app priced at $5.99. This one-time purchase includes all features, with no subscriptions, in-app purchases, or ads.
No, RoundBlitz is completely ad-free. The developers emphasize a distraction-free training experience, with no advertisements included in the app.
RoundBlitz is compatible with iPhone, iPad, and Apple Watch. The Apple Watch companion app allows for control and alerts directly from your wrist.
Yes, RoundBlitz works entirely offline. All features and data are stored on your device, ensuring uninterrupted use even without an internet connection.
You can start, stop, restart, or skip a round using hand signs recognized by your device's front camera. This feature works with gloves on and allows you to assign specific signs for control.
After your session, RoundBlitz offers a round-by-round summary including total work time, rest time, and estimated calories burned. You can also repeat the session with a single tap.
RoundBlitz has an age rating of 4+. Its primary focus is on serious combat sports training, but its simple interface and customizable features can be adapted for various fitness levels.
Muay Thai kickboxing sparring
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