Tide vs Della

Tide is a breathing timer, built around your own rhythm. Build a pattern from scratch: set your own hold times, chain together repeatable step sets, and choose whether a session ends after a set number of rounds or after a fixed length of time. Once it's saved, it works exactly like any other pattern in the app. Not sure where to start? Three patterns are ready to go: Box breathing (4-4-4-4): used to reset under pressure. Equal parts inhale, hold, exhale, hold. 4-7-8: a technique for unwinding. A long exhale that signals to your nervous system that it's safe to slow down. Calm (3-2-5-2): a gentle everyday pattern. Slightly longer exhale than inhale, designed for quiet moments and transitions. Tide also runs on Apple Watch. Start a session from your wrist with quick-start presets and rounds mode. Chime and haptic settings sync automatically between your phone and watch. No narration. No scores. Just the rhythm you choose. Tide is made by Quiet Leaf LLC. See what else we're building at quietleaf.dev.

Della is a breathing instrument: a precision tool for the one thing that quietly steadies your whole nervous system, a slow, even breath. Most breathing apps drift. A timer that's a few milliseconds off every cycle drifts seconds off over a session, and your body feels it. Della is clocked off the audio hardware itself, so the pace it sets is exact from the first breath to the last, and stays exact whether the session is five minutes or fifty. FIND YOUR RESONANCE Everyone has a personal resonant rate, the breathing pace where heart rate, breath, and blood pressure fall into their deepest rhythm. Open Della on your Apple Watch and it measures yours from your heart rate in a few quiet minutes. From then on, "Resonant" paces you at your number, not a generic 6. BREATHE BY FEEL A glowing disc breathes on a true sine wave, cyan as you draw air in, warm amber as you release. Turn the screen off and follow it entirely by touch: gentle haptics swell on the inhale and settle on the exhale, on both iPhone and Apple Watch. No screen, no counting, no effort. TECHNIQUES Resonant, paced to your measured rate Coherent 5.5, the classic calming pace Box 4x4x4x4, steady and grounding 4-7-8, for winding down Extended Exhale, lean into the calming half of the breath Physiological Sigh, a double inhale and long release, to reset in a minute Custom, dial your own inhale, hold, exhale, and hold KEEP YOUR OWN SOUND Della's tones and ambient pad are yours to balance, or silence. Your own music or podcast keeps playing right alongside it. SEE IT TAKE SHAPE Every session is logged. Watch your resonant rate settle over the weeks and your minutes add up, quiet proof that the practice is working. BUILT FOR CALM, NOT CLUTTER No streaks to guilt you, no feed, no noise. Cool near-black, one glowing breath, precise readouts. An instrument, not a wellness app. Della requires an Apple Watch to measure your personal resonant rate; the breathing instrument itself works on iPhone alone. Della is designed for relaxation and does not diagnose, treat, or prevent any medical condition. If you have a heart or respiratory condition, talk to your doctor before beginning a breathing practice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/