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Souffle

iOS

Breathe better. Live better.

Guided breathing, 13 soundscapes and synchronized haptics. Find your calm in minutes.

App StoreWebsite

Screenshots

Welcome to Souffle
Welcome to Souffle
Breathing session
Breathing session
4 preset programs
4 preset programs
Personalized assessment
Personalized assessment
Custom program
Custom program
Progress tracking
Progress tracking
Apple Health connected
Apple Health connected

About

A breathing app built for simplicity

Souffle guides you through daily breathing exercises designed to help you sleep, calm down, or focus.

Why Souffle?

No subscription, no account, no fluff. Souffle gets straight to the point: helping you breathe mindfully, at the right pace and with the right atmosphere.

Features

Choose from 4 preset programs — 5-5 cardiac coherence, 4-7-8 for sleep, deep relaxation, and box breathing — or create your own custom program by adjusting duration, rhythm, and phases.

Every session comes with synchronized haptic feedback and a floral animation that visually guides your breath. Add one of 13 soundscapes — rain, deep forest, ocean, fireplace, brown noise — for full immersion.

Your progress is tracked automatically: practice streaks, session history, and mindfulness minutes recorded in Apple Health.

Built natively

Souffle is built in SwiftUI with SwiftData for local persistence, AVFoundation for soundscape playback, and CoreHaptics for vibrations. No data ever leaves your iPhone.

Roadmap

  1. Mood-based suggestions, stats redesign & sleep timer

    In progress

    v1.1 — Tell Souffle how you feel and get the right program instantly. Weekly progress chart, sleep timer, and a weekly summary notification.

  2. Live Activity, Dynamic Island, iCloud sync & Siri shortcuts

    Planned

    v1.2 — Your breathing session on the Lock Screen, data across all your devices, and hands-free session launch.

  3. Apple Watch HRV, guided courses & visual themes

    Planned

    v2.0 — Heart rate variability tracking, multi-session programs, and full visual customisation.

  4. 4 guided breathing programs

    Shipped2026-04

    Cardiac coherence, 4-7-8, deep relaxation and box breathing.

  5. 13 soundscapes

    Shipped2026-04

    Rain, forest, ocean, fireplace, brown noise and more.

  6. Guided voice

    Shipped2026-04

    5 French voice profiles to accompany each session.

  7. Custom programs

    Shipped2026-04

    Create and edit your own breathing programs.

  8. Synchronized haptics

    Shipped2026-04

    Follow the rhythm without looking at the screen.

  9. Favourites

    Shipped2026-04

    Quick access to your preferred programs.

  10. End-of-session sound

    Shipped2026-04

    A gentle audio cue to bring you back softly.

  11. Daily streak & history

    Shipped2026-04

    Track your streaks and review your session history.

  12. Daily reminder

    Shipped2026-04

    A gentle local notification to keep up your practice.

  13. Apple Health integration

    Shipped2026-04

    Mindfulness sessions saved automatically.