Weight and height now show in kilograms and centimetres, or stones, following your iPhone's setting. Change it any time in Settings. Apple Health sync is here, and it's optional. Turn it on in Settings > Privacy and your weigh-ins and each day's calories, protein, carbs, and fat go to Health, while weigh-ins from other apps or a smart scale come in. MacroStack now backs itself up on your phone, into a folder you can see in the Files app. If the app ever opens to the setup screen, it finds the newest backup and offers it before asking you anything. You can also keep a copy in your own iCloud Drive, so your data comes back even after deleting the app. Everything stays on your phone and in your Apple account. We never have it. Your Lock Screen gets three widget sizes, a Live Activity with today's ring and macros in the Dynamic Island, and a silent summary card in Notification Center. All optional under Settings > At a Glance. Unfolded foldables get a side bar, and there are small fixes throughout.

See your adaptive engine at work, and enjoy a smoother day of logging. Your weight story Your progress chart now draws the trend line the engine actually follows, with a mark on every week your goal changed. Tap one to see that adjustment, or open your full check-in history. A dashed projection shows where you are heading. And watch your Revealed TDEE unlock the first time the engine reveals it. A better log moment Log a meal and undo it in one tap. Past days show how they landed against that day's goal, and the calendar shows your whole month at a glance. Fasting on your Lock Screen The fasting screen is redesigned with clearer timing, and a new Live Activity keeps your fast running on the Lock Screen and Dynamic Island. Also new: a widget preview to help you add widgets to your Home and Lock Screen, a header that keeps your ring in view as you scroll, and reliability improvements to data backup and restore.

This update makes the adaptive engine visible everywhere. Tap any goal to see the math behind it: your real daily burn, your target, and your number. When your weekly check-in retunes the goal, Today now shows exactly what changed. Log a recent food in one tap, straight from search. Meals default to the time of day instead of Snacks. Plus tab bar labels, a calmer coach, cleaner onboarding, and a batch of copy and polish fixes.

The coach got a brain upgrade. - Remembers your conversation, so follow-ups like "make it vegetarian" just work - Knows your adaptive engine: ask about your calorie target, weekly recalibration, or weight trend and it answers with your real numbers - Log meals from chat: tell it what you ate and confirm with one tap - Restaurant suggestions now come from real menu items - Ask it to remember dietary preferences like vegetarian or nut allergies - Replies stream in live, and quick answers are instant - Clearer daily AI limits, with a working retry when a reply fails Also fixes a setup issue where the height picker could get stuck off screen, and improves purchase screen reliability.