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§ 05 · Questions
10 answers. No runaround.
Yes, bidirectionally. BiteDeck reads five metrics — steps, active energy, workouts, weight, body fat % — and writes nine: calories, every macro, fiber, sugar, sodium, water, weight, and body fat. Every single metric has its own toggle, on top of the iOS permission. Turn any one off without disconnecting everything.
Your logs live in SwiftData on your device. If you have iCloud device backup on at the iOS level, BiteDeck's data is included automatically — no separate cloud sync to a BiteDeck server. You can export everything as CSV or a 30-day PDF summary any time.
You snap a photo. It goes through BiteDeck's own proxy to Google Gemini Vision for recognition, then the item list comes straight back to your phone. BiteDeck doesn't retain your images or train on them. If you'd rather not scan, every meal can be logged by search, barcode, nutrition-label OCR, or freeform entry.
No subscription required. Every logging path, the whole 13,593-food database, 235+ restaurant chains, Apple Health sync, on-device forecasting, fasting, and the Coach are in the free tier today. Premium is planned — nothing in the app is gated right now.
iPhone only, iOS 17 or later, portrait orientation. No iPad layout, no watchOS app, no Android. The entire design leans on iOS-specific primitives (HealthKit, SwiftUI, SwiftData) — a port would be a different product.
Four ways: manual entry, the US Navy method (neck/waist/hip measurements with cm↔in toggle), the Deurenberg formula from BMI + age + sex, or imported from Apple Health. Every saved entry feeds both the Home Composition page and the Katch-McArdle BMR calculation that drives your calorie target.
A five-state forecast engine (locked / unlocked / goal-reached / maintaining / reversed) runs on your phone. It uses a 14-day lookback and a 7-day rolling average, adjusting for your actual deficit against maintenance TDEE. It never talks to a server — the whole thing is on-device math.
Yes. Fasts of 20 hours or longer protect their end-day as a logged day automatically — you can do a fast-only day and keep your streak. Milestone notifications fire at 25, 50, and 75% of your target. Protocols: 16:8, 18:6, 20:4, OMAD, or custom 1–72 hours.
Type a brand name — "In-N-Out," "Chick-fil-A," "Chipotle" — and a dedicated menu card surfaces with every item sorted by section (burgers, shakes, fries, sides). Scoped search inside the menu, sort by section/name/calories, filter by section, multi-add. 235+ chains in the database.
Because the whole design leans on iOS-specific primitives — HealthKit, SwiftUI, SwiftData, the on-device Gemini pipeline, Doto at fixed sizes, skeuomorphic modifiers that only exist in Apple frameworks. A port would be a different product. Not planned.