Privacy Policy
Last updated: 13 September 2026
Box Breathing keeps your practice on your device. Your practice history and your settings never leave your iPhone or Apple Watch, and the developer never sees them. The app goes online for one thing only: to check whether the optional purchase belongs to your installation.
This page describes the app as it is published. If a future version starts doing something new with data, this page will be updated before that version is released.
What the app stores
On your device, in the app's own storage:
- Your practice history — the date and time a practice started, which practice it was, how many cycles you completed, how long it lasted, and whether it earned a star.
- Your settings — voice prompts on or off and which voice, background sound, interface and voice language, the number of cycles you last chose, vibration on or off, whether a daily reminder is on and at what time, and any breathing rhythms you build yourself.
- Whether the full set has been purchased.
That is the complete list. There is nothing else, because there is nowhere else for it to go.
What the app does not collect
There are no accounts and no sign-in. The app does not ask for your name, your email or your date of birth, and it has no field in which you could type them.
It requests no system permissions at all — no camera, no photo library, no microphone, no location, no contacts, no calendar. If your iPhone has never shown you a permission dialog for this app, that is why.
It does not read Apple Health and does not write to it.
No analytics, no advertising, no tracking
The app contains no analytics library, no advertising library and no crash-reporting service. It does not use the advertising identifier (IDFA) and never asks for permission to track you across other apps and websites.
There is no privacy setting to turn off here, because there is nothing switched on.
What the app sends, and what it never sends
There is no analytics, no advertising, no tracking, no crash reporting and no account. The only network requests the app makes are about the purchase, and they go to the one service named below. Everything that leads the practice — the voice prompts, the background sounds, the drawing of the sky — lives inside the app itself, so a session runs exactly the same with the device in Airplane Mode. Nothing about your breathing is sent anywhere, ever.
Apple Watch
If you use the watch app, finished practices are passed between your iPhone and your Apple Watch over the link Apple provides between your own paired devices. The data goes from one of your devices to the other. It does not pass through the developer, and there is no account behind it.
Device backups
If iCloud Backup or a computer backup is switched on, the app's folder is included in it, the same as for any other app. That backup is between you and Apple; the developer has no access to it. This is worth knowing rather than worrying about: it is also the only way your practice history survives a lost phone.
Purchases
Box Breathing has one optional purchase, which unlocks the full set. Payment is handled entirely by Apple through your Apple ID. The developer never receives your card number, your billing address or your Apple ID.
To know whether that purchase belongs to your installation, the app uses RevenueCat, a service for managing App Store purchases. RevenueCat receives an anonymous identifier that the app generates for your installation, the transaction details Apple returns, and technical information such as the app version, device model, operating system version and country.
It does not receive your name, your email address or any payment details, and it receives nothing at all about your breathing practice.
Notifications
The app can remind you to practise once a day, at a time you choose. It is off until you turn it on, and switching it off removes it.
The reminder is scheduled by your iPhone and shown by your iPhone. Nothing is sent from a server, no device token for this app exists anywhere, and the developer is never told whether you turned it on or when you practise.
Children
Box Breathing is not directed at children. It collects no personal data from anyone, children included.
Deleting your data
Deleting the app removes everything it stored: your practice history, your settings and your saved rhythms. Because the developer holds no copy, deleted history cannot be recovered — not by you and not by us.
Your purchase is a separate matter and is not lost. It is tied to your Apple ID, and Restore brings it back after a reinstall or on another device signed in with the same Apple ID.
Your rights
Data protection law — including the GDPR in Europe and the LGPD in Brazil — gives you the right to see, correct, export and delete the personal data a company holds about you. In this case there is nothing to exercise those rights against: no personal data is collected, transmitted or stored outside your own device, so there is no profile to request and no record to delete.
If something on this page is unclear, or you believe it is inaccurate, write to the address below.
Changes to this policy
When this page changes, the date at the top changes with it. If a future version of the app begins collecting or transmitting anything, that will be described here before the version is released, not after.