25sec - HIIT & Tabata Timer

No complex setup. No clutter. Just the cleanest interval timer you'll ever use. 25sec handles everything in one app — HIIT, Tabata, Pomodoro, yoga, meditation, and home workouts. When you need a workout timer, it starts in 3 seconds. ━━━━━━━━━━━━━━━━━━━━━━ Why 25sec interval timer? ━━━━━━━━━━━━━━━━━━━━━━ ■ Intuitive UI you can start in 3 seconds Even first-time users never get lost. Everything you need from an interval timer lives on a single screen. ■ Run multiple routines back-to-back Warm-up, main set, cool-down. Chain several timers into one routine and run them without interruption. Perfect for Tabata and HIIT where intervals repeat. ■ Accurate timing, even in the background Switch apps or turn off your screen — your workout timer stays accurate down to the millisecond. ■ Detailed stats that track your consistency Daily workout time, rest time, and set count are logged automatically, so you can see your progress at a glance. ━━━━━━━━━━━━━━━━━━━━━━ Built for ━━━━━━━━━━━━━━━━━━━━━━ · HIIT and Tabata enthusiasts · Yoga, Pilates, and meditation practitioners · Home workouts like planks and squats · Pomodoro focus sessions for study and work · Interval running and sprint training · Stretching and breathing practice ━━━━━━━━━━━━━━━━━━━━━━ Key features ━━━━━━━━━━━━━━━━━━━━━━ ▶ Flexible timer setup · Precise intervals in hours, minutes, and seconds · Fine-tune set counts and prep time · Save and manage as many workout routines as you like ▶ Continuous mode · Link multiple timers into a single routine · Auto-advance to the next routine so your flow never breaks · Ideal for Tabata and circuit training with repeating intervals ▶ Multiple alert types · Voice countdown cues · Choose your set-completion sound · Vibration and haptic feedback · Calming nature sounds during rest (birds, waves, rain, forest) ▶ Floating timer · Keep an eye on your timer while using other apps · Place it anywhere on screen · Work and train at the same time with Pomodoro ▶ Detailed workout history · Automatic daily activity logging · Per-routine stats · Active time vs. rest time analysis ━━━━━━━━━━━━━━━━━━━━━━ More ━━━━━━━━━━━━━━━━━━━━━━ · 4 languages (한국어, English, 日本語, 中文) · Optimized dark theme · Keep-screen-on mode · Background notifications · Works fully offline ━━━━━━━━━━━━━━━━━━━━━━ Tested in real yoga and fitness studios ━━━━━━━━━━━━━━━━━━━━━━ 25sec was built and refined in real yoga studio classes, tested directly by instructors and students. It's a timer shaped by the people who actually use it. ━━━━━━━━━━━━━━━━━━━━━━ Design philosophy ━━━━━━━━━━━━━━━━━━━━━━ 25sec is built on one principle: keep only what's necessary. No unnecessary buttons. No interrupting pop-ups. Just you, your workout, and your focus. Simplicity is the most powerful tool of all. HIIT, Tabata, Pomodoro, yoga, meditation — start with the 25sec interval timer today. Your 25 seconds, 25 minutes, and 25 hours will never be the same. Questions & feedback: [email protected]