BreatheToo — Privacy Policy

Last updated: July 19, 2026

Overview

BreatheToo is a breathing and cold exposure training app developed by Arnaud Croisier. Your privacy is important to us. This policy explains what data we collect, how we use it, and your rights.

Data We Collect

Account Data

Data	When	Storage
Apple ID identifier	Sign in with Apple	Device + iCloud
Name and email (optional)	Only if you choose to share them	Device + iCloud
Guest mode	Continue as Guest	No account data collected

Health Data

Data	When	Storage
Mindful minutes	After each breathing session (if Apple Health enabled)	Apple Health on device + iCloud
Cold exposure	After each cold session (if Apple Health enabled)	Apple Health on device + iCloud

We do not read any health data from other apps.

Session Data

Data	When	Storage
Breathing sessions	After each session	Device + iCloud
Cold exposure sessions	After each session	Device + iCloud
Session settings	When you configure a session	Device + iCloud

Session data includes duration, retention times, session type, water temperature, and user preferences.

Profile Data

Data	When	Storage
Profile photo (optional)	When you add one	Device + iCloud (compressed to under 500 KB)

How We Use Your Data

To provide the app's core functionality (session tracking, history, statistics)
To sync your data across your Apple devices via iCloud
To display instructor sessions (fetched from our CloudKit public database)

We do not use your data for any other purpose.

Data Storage

All personal data is stored on your device and in your private iCloud account using Apple's CloudKit service.

What	Where	Who has access
Your personal data	Your device + your iCloud account	Only you
Instructor sessions	CloudKit public database	All users (read-only)
External servers	None	N/A

We do not operate any external servers. We do not have access to your personal data.

Data Sharing

We do not share, sell, or transfer your personal data to any third party. We do not use any third-party analytics, advertising, or tracking services.

Tracking

BreatheToo does not track you.

No device identifiers collected
No location data collected
No browsing history collected
No advertising identifiers used
No third-party SDKs for tracking or analytics

Your Rights

Right	How to exercise
Delete local data	Uninstall the app
Delete iCloud data	Settings > Apple ID > iCloud > Manage Storage > BreatheToo
Sign out	Profile tab > Sign Out
Export health data	Via Apple Health app
Disable health sharing	Health app > Sharing > Apps > BreatheToo

For more details on managing your data, see our Privacy Choices page.

Children's Privacy

BreatheToo is rated 16+ on the App Store and is not directed at children. We do not knowingly collect personal data from anyone under 16. If you are a parent or guardian and believe a minor is using the app, all data can be removed at any time from the app (Profile > Delete Account) or by uninstalling it.

Changes to This Policy

We may update this policy from time to time. The latest version will always be available at this URL.

Contact

If you have questions about this privacy policy, contact us at:

Email: privacy@breathetoo.com

BreatheToo is developed by acroisie. This app is not affiliated with or endorsed by any third-party breathing method or organization.