Support

Yes. Three breathing techniques (Box Breathing, 4-7-8, and Physiological Sigh) are completely free with no time limits or restrictions. You can optionally unlock 7 additional premium techniques with a one-time purchase of $6.99 — no subscription required.

Open BreathFlow and go to the premium section. Tap "Restore Purchases". Your purchase is tied to your Apple ID and can be restored on any device signed into the same account at no additional cost.

No. BreathFlow collects zero personal data. There are no accounts, no analytics, and no ads. All your settings and session history stay on your device. The only external SDK is TikTok Events for install attribution, which fires once and only if you allow tracking via Apple's ATT prompt. See our Privacy Policy for full details.

The free tier includes Box Breathing, 4-7-8 Breathing, and Physiological Sigh. The premium unlock adds 7 more techniques including Wim Hof, Alternate Nostril Breathing, Buteyko, and others.

Absolutely. BreathFlow works entirely offline. No internet connection is needed to use any feature, including premium techniques after purchase.

All purchases are processed by Apple. To request a refund, visit reportaproblem.apple.com, sign in with your Apple ID, and follow the steps for the BreathFlow purchase.

We would love to hear from you. Please email us at yaroslav@heldiglab.com with a description of the issue or your idea. Include your iOS version and device model if reporting a bug.