Ruby Rhythm vs NapBest

Say goodbye to overly complicated and pink period tracking and hello to Ruby Rhythm, the app that goes beyond the calendar. Ruby Rhythm integrates the wisdom of Traditional Chinese Medicine (TCM) to help you understand your cycle like never before. Track your periods and get insights into your body's unique rhythm. Ruby Rhythm isn’t just about dates; it’s about phases. With our easy-to-use interface, you can see if you're in your Inner Winter, Inner Spring, Inner Summer or Inner Autumn Phase, and see how they affect your energy, mood, and well-being. Ruby Rhythm is designed to empower you with knowledge, support, and cute animals to make every day of your cycle a little more fun. Your data never leaves your device and is never used or shared for advertising, data collection, or marketing purposes.

NapBest is the smartest nap timer on your iPhone. Fall asleep naturally — NapBest does the rest. AUTO MODE (Apple Watch required) NapBest listens for the moment you actually fall asleep using your Apple Watch's sleep data. The moment sleep is detected, your timer starts automatically. No guessing. No fumbling with a timer when you're already drowsy. MANUAL MODE No Apple Watch? No problem. Set your duration, tap Start, and put your phone down. NapBest handles the rest. SCIENCE-BACKED DURATIONS Choose from four research-based nap lengths: • 20 min — Power nap. Light sleep only, zero grogginess. • 30 min — Recovery nap. Boosts alertness and mood. • 90 min — Full sleep cycle. Memory consolidation and creativity. • 2 hrs — Extended rest. Deep regeneration. Or set your own custom duration from 5 to 240 minutes. AN ALARM THAT ACTUALLY WAKES YOU NapBest plays a real alarm sound — not just a notification tap. Audio plays at full volume even when your phone is on silent, so you actually wake up. CUSTOMIZABLE ALARM Pick your preferred sound (Digital, Gentle, or Classic) and set the volume. Preview each sound before you commit. WORKS IN THE BACKGROUND Lock your screen, put your phone down, and rest. NapBest runs quietly in the background and will wake you at the right time. PRIVACY FIRST Your sleep data never leaves your device. NapBest reads directly from Apple Health — no accounts, no servers, no tracking.