How can we help?

Point your camera at any meal or food item and our AI instantly identifies every ingredient with full macro and micronutrient breakdowns. Photos are processed securely and never stored on our servers.

Your health data — fasting sessions, meal logs, health snapshots, and preferences — is stored locally on your device and is never uploaded to our servers. If you create an account, we store only what's needed to run it: your sign-in email, basic device info, and subscription status. Optional cloud backup (iCloud or Google Drive) goes to your own personal storage, not ours. See our Privacy Policy for the full details.

Go to Settings → Apple ID → Subscriptions on your iPhone, find Atomic Fast, and tap Cancel Subscription. You'll continue to have access until the end of your current billing period.

With your permission, we read sleep, heart rate, HRV, steps, exercise, weight, respiratory rate, and more — 24 data types total. Your meals also write back 11 nutrient types plus water to Apple Health.

Your readiness score is calculated from 10 health signals including sleep quality, HRV, resting heart rate, and activity. A low score typically means your body needs more recovery — consider a lighter fasting day.

Go to Profile → Data & Privacy → Delete Account. This removes your server-side account and all local data. Since most data is stored on-device, you can also simply delete the app.