DeepBreathe vs HIIT Trainer

*Apple Editor's Recommendation* ad-free! No pop ups! Deep breathing has many benefits: relaxing the mind, reducing stress, and promoting sleep But what can be done effectively? Andrew Will, an American medical doctor, proposed the 4-7-8 breathing method: slowly inhale through the nose for 4 seconds, then hold the breath for 7 seconds, and finally exhale for 8 seconds. Deep Breathing "is designed based on this method to guide you in deep breathing. We provide 4 interesting breathing training scenarios, where you can experience different feelings in different scenarios. Of course, you can also customize the time, background music, and scene for breathing in, breathing out, and exhaling according to your own situation in the app, to find the most comfortable rhythm of your body and experience the wonderful process of fresh air cleaning your body. When negative emotions such as fatigue and irritability strike, it's best to take a moment to breathe and breathe along with the app's rhythm and ambient sound effects, injecting vitality into the body. [Automatic renewal package membership] When you confirm your purchase and at the beginning of each renewal cycle, we will charge a subscription fee from your iTunes account. You can cancel your subscription in iTunes settings. Cancelling the subscription will take effect after the last day of the current subscription cycle, and you will be downgraded to a free service. Privacy Policy: https://docs.qq.com/document/DRkZhYmRnR0NDYXZW Member Terms of Use: https://docs.qq.com/document/DRkRJQ3hLZlhEVldo

HIIT Trainer is a minimalist interval timer: set your work, rest, exercises, and rounds, tap start, and let it run. ● Automatic timing — warm-up → work → rest → round rest flows on its own; no need to touch your phone ● Voice coach — English or Chinese callouts for each phase and exercise name, with countdown beeps and haptics, so you never miss a cue even with the screen locked in your pocket ● Background music — energetic on work, chill on rest, fading out at the end to let the countdown through; import your own tracks too ● Energy-ring interface — big countdown + progress ring, light/dark adaptive, readable at a glance mid-set ● Workout history — every session saved automatically: day streak, weekly minutes, full history, and CSV export ● Daily reminders — schedule per weekday to build the habit ● Zero friction — no account, no ads, no data collection; your workout data stays on your device Great for HIIT, Tabata, jump rope, indoor cycling, and any bodyweight routine built on work/rest intervals. Universal for iPhone and iPad. The interface is English by default; you can switch to Chinese in Settings → HIIT Trainer → Language.