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Net calories are what you eat minus what you burn. Most calorie apps give you the same daily budget regardless of activity. Snack reads each day's active calories from Apple Health, so a workout day and a rest day produce different targets.

Your data stays on your device and syncs only through your private iCloud account. Snack has no servers that see your weight, calories, steps, or workouts. See the Privacy Policy for details.

Open the iOS Settings app, go to Health → Data Access & Devices → Snack, and confirm permissions are enabled. If you declined them during onboarding, this is where you can grant them. Apple Health integration is on iPhone only.

Sign in to iCloud with the same Apple ID on each device, confirm iCloud is on in iOS Settings, and make sure Snack is allowed to use it. Your logs then sync automatically.

The database covers most packaged foods but not all. If a barcode doesn't return a match, use the label scanner to photograph the nutrition facts, or create a custom food by hand.

Snack is subscription-only, with a free trial. There's one tier, which unlocks everything. If your subscription ends, your data is preserved on your device and in iCloud and returns when you resubscribe; an active subscription is required to use the app.

Subscriptions are managed through Apple. On iPhone: Settings → [your name] → Subscriptions → Snack → Cancel. You'll keep access until the end of the billing period.

Yes. Snack runs on iPhone and iPad, with iCloud syncing your data across them. Apple Health integration is on iPhone only; iPad reads your data through iCloud sync.