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* Added Russian translation support * Settings - updated screen design
Beautiful interval timer for workouts & focus. Pomodoro · Tabata · HIIT
OnlySmart Interval Timer is a feature-rich interval timer app for Android, combining workout training, productivity techniques, and custom interval routines in one elegant, offline-ready package. Whether you need a Pomodoro timer for focused work, a Tabata timer for high-intensity exercise, a HIIT timer for cardio sessions, or a fully customizable interval countdown — OnlySmart Interval Timer has you covered. ━━━━━━━━━━━━━━━━━━━━━━━━ 5 BUILT-IN PRESETS ━━━━━━━━━━━━━━━━━━━━━━━━ 🍅 Pomodoro Timer 25 min work · 5 min short break · 4 cycles The most proven productivity and time management technique. Ideal for students, programmers, writers, and remote workers. ⚡ Tabata Interval Timer 10 sec prep · 20 sec work · 10 sec rest · 8 rounds The original high-intensity interval training (HIIT) protocol. Science-backed workout timer for maximum athletic performance. 🔥 HIIT Workout Timer 10 sec prep · 45 sec work · 15 sec rest · 12 rounds High-intensity interval training countdown for cardio, strength, CrossFit, boot camp, and circuit workouts. 📖 Study Break Timer Structured work-rest intervals for extended study or work sessions. Stay sharp over hours, not just minutes. 💪 Workout Timer Fully flexible fitness timer for any sport, drill, or training format. ━━━━━━━━━━━━━━━━━━━━━━━━ CUSTOM INTERVAL TIMER BUILDER ━━━━━━━━━━━━━━━━━━━━━━━━ • Custom work time — set any duration in seconds or minutes • Custom rest time — dial in exact recovery intervals • Custom rounds — from 1 to unlimited • Custom cycles — group rounds into cycles (perfect for Pomodoro variants) • Preparation phase — countdown before your first work interval • Cool-down phase — wind-down period after your last round ━━━━━━━━━━━━━━━━━━━━━━━━ FULL FEATURE LIST ━━━━━━━━━━━━━━━━━━━━━━━━ ✅ Phase-change notifications (work → rest → prep transitions) ✅ Vibration haptic feedback on interval changes ✅ Audio sound cues timed to your intervals ✅ Complete session history with duration statistics ✅ Dark Mode and Light Mode (Material 3 design) ✅ Smooth animated transitions between phases ✅ Color-coded timer phases for instant recognition ✅ Offline mode — no internet, no account, no tracking ✅ Multi-language support (English, Russian) ✅ Lightweight and fast — never slows your device ━━━━━━━━━━━━━━━━━━━━━━━━ USE CASES ━━━━━━━━━━━━━━━━━━━━━━━━ ✓ HIIT and interval training workouts ✓ Tabata, CrossFit, and circuit training ✓ Pomodoro productivity and time-blocking ✓ Boxing, MMA, and combat sport rounds ✓ Yoga, Pilates, and stretching sessions ✓ Meditation and mindfulness intervals ✓ School study and exam preparation ✓ Personal training and coaching sessions Free. No ads. No subscriptions. Download once, use forever. OnlySmart Interval Timer — every interval, perfectly timed.