About this app
RoundBell is the ultimate interval timer for boxing, kickboxing, and martial arts training. FEATURES: - Round Timer: Customize round time, interval time, and total rounds - Gong & Horn: Round start/end gong sounds and warning horn before round ends - Countdown Beeps: Audio countdown for the final 3 seconds - Voice Alerts: "1 minute remaining" and "30 seconds remaining" voice notifications - Presets: Save your favorite settings and switch instantly - Haptic Feedback: Vibration notifications when sound isn't enough - Screen Wake Lock: Screen stays on during your workout - Japanese/English support PERFECT FOR: - Boxing and kickboxing training - Pad work and heavy bag sessions - Sparring round management - HIIT and interval training Clean dark theme design with large, easy-to-read timer display - visible from across the gym.
Latest release
What’s New
Improvements: Added a clear option to sync App Store tip purchase information.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 5:46 AM Free