Quick Answer
Your iPhone Lock Screen can keep a weight loss goal in view with three built-in tools: the Fitness widget for your Activity rings, widgets from apps you already log in, and a Lock Screen linked to a Focus that appears when you work out. What it can't do on its own is show a sentence you wrote in large type; that needs a wallpaper with the text on it. Keep it private, too: anyone near your phone can read the Lock Screen.
What can the iPhone Lock Screen show for a weight loss goal?
The Lock Screen can show widgets, a photo or wallpaper, and Live Activities, so a goal can sit there as a live activity ring, a number from an app, or a line of text in the wallpaper. Apple's iPhone User Guide sums up the options: "You can personalize your Lock Screen by choosing a wallpaper, showcasing a favorite photo, changing the font of the time, adding widgets, and more."
For activity, Apple's own widget is the simplest start. The Fitness section of the guide notes: "You can add a Fitness widget that lets you track your daily activity directly from your Home Screen or Lock Screen." The ring it shows is the Move ring; Apple explains that "The red Move ring shows how many active calories you've burned," and with an Apple Watch you also get the green Exercise and blue Stand rings. Your weight itself lives in the Health app, where you can log it by hand (steps below). What a widget can't do is show a sentence you chose, such as "Walk after lunch", in large type; for that, see our guide to putting notes on your iPhone Lock Screen.
The CDC's guide "Steps for Losing Weight" says people who lose weight at a gradual, steady pace, about 1 to 2 pounds a week, are more likely to keep the weight off. A Lock Screen goal works best when it points at that kind of steady habit, not a crash target.
How do you add a goal widget to the Lock Screen?
You add widgets from the Lock Screen's Customize mode, not from Settings. These steps follow Apple's iPhone User Guide; the list of widgets you see depends on which apps you have installed, because only apps that offer a Lock Screen widget appear there.
- 1
Touch and hold the Lock Screen until Customize appears at the bottom, then tap Customize and choose Lock Screen.
- 2
Tap your existing widgets or tap Add Widgets (Apple's wording for this step).
- 3
Choose Fitness for your Activity rings, or scroll to a food, habit or workout app you already use and pick one of its widgets.
- 4
Tap Done, then tap the Lock Screen to finish.
Log your weight in Health: open the Health app, tap Browse (or search for Weight), open Weight, then follow Apple's step: "Tap the Add Data button in the upper corner." Enter the date, time and value. Apple notes that by default Health prioritizes "Health data that you enter manually" over other sources.
Can a different Lock Screen appear when you work out?
Yes, through Focus. You build a second Lock Screen for workouts or meal prep, link it to a Focus, and it appears whenever that Focus is on. Apple's guide puts it this way: "After you set up a Focus, you can link it to your Lock Screen—so your Focus settings apply whenever you use that particular Lock Screen and that Lock Screen appears whenever that Focus is on."
To make it automatic, open Settings > Focus, tap the Focus, and use Add Schedule; Apple says a Focus can turn on "at a set time, location, or while using a certain app." So a Workout Focus scheduled for your gym's location, or for when you open your workout app, brings its Lock Screen with it. To link it, touch and hold the Lock Screen, tap Focus near the bottom of the wallpaper and pick the Focus. One side effect Apple warns about: "If a Lock Screen links to a specific Focus, switching from that Lock Screen to another also switches your Focus." For more Focus setups, see these Focus mode tweaks that cut interruptions.
How do you put a goal you wrote on the Lock Screen?
A sentence you wrote has to be part of the wallpaper, because widgets only show their app's data in a small slot. The no-app way: type the goal in Notes, take a screenshot, and set it as your Lock Screen wallpaper in Settings > Wallpaper. It works, but you redo the screenshot every time the goal changes, which is often when you are tracking a weekly target.
NoteWall, an iPhone app we make, does the same thing from a list of notes you edit. It renders the text into your wallpaper, and an Apple Shortcut named "Set NoteWall Wallpaper" applies it; per the NoteWall FAQ, updating after you change a note takes about 5 seconds with the Update Wallpaper button. The app also has reminders, habits and streaks, but it does not count calories or read your Health data: the numbers are whatever you type. The Shortcut step trips some people up the first time, so keep our fix for a Shortcut that won't change the wallpaper handy. A subscription is required; the App Store shows the terms before you pay. If a checklist suits you better than a sentence, see how to build a habit tracker on your iPhone wallpaper.
Which apps show weight loss progress on the Lock Screen?
Apple's Fitness widget is the only Lock Screen option here that Apple's guide documents; for the other apps, the App Store listings below don't mention Lock Screen widgets, so check the Add Widgets list on your own iPhone. Listing facts were read from the US App Store on October 14, 2026. NoteWall is our app and sits last because it doesn't track food or activity.
| App | What it tracks | Lock Screen, per Apple or the listing | Cost model (US listing) |
|---|---|---|---|
| Fitness (Apple) | Move ring; Exercise and Stand rings with Apple Watch | Fitness widget for the Lock Screen, per Apple's guide | Built in |
| MyFitnessPal | Food, calories, macros; the listing calls it "AI-powered" and adds an AI nutrition coach | Not mentioned in the listing | Free download, in-app purchases |
| Lose It! | Calorie budget and meal logging, including AI voice and photo logging per the listing | Not mentioned in the listing | Free download, in-app purchases |
| Streaks | Habit streaks; Apple Watch app with Health app integration | Home Screen widgets, per the listing | Paid download |
| NoteWall (our app) | Goal text and reminders you type; habits and streaks | Text rendered into the wallpaper via the Set NoteWall Wallpaper Shortcut | Subscription required |
⚠️ Mind what the Lock Screen shows
Anything on the Lock Screen can be read without unlocking your iPhone, including widget numbers and wallpaper text. Many people prefer a behaviour goal ("Walk after lunch") to a weight or a progress photo. For notifications, Settings > Notifications > Show Previews lets you show previews only when the iPhone is unlocked.
What makes a Lock Screen goal actually help?
A Lock Screen goal helps when it names one thing you can do today and gets updated as you go. The CDC's guide frames tracking as the starting point: "Tracking where you are now helps to identify how you want to improve your health." On the Lock Screen that means one or two lines, not a dashboard: a daily behaviour ("Water before coffee"), the week's target, and the next check-in day.
- •
Pick behaviours over outcomes. The scale moves slowly; a walk or a planned meal is something you can tick off today.
- •
Keep it to two items. A Lock Screen with five widgets and a paragraph of text stops being read.
- •
Update it on a fixed day. Change the text or the widget when the week's target changes, so it never goes stale.
- •
Pair it with activity data you already have. The Fitness widget or a fitness dashboard on the Lock Screen shows effort, and your text shows intent.
- •
Ask a professional for targets. If you have a medical condition, set the goal with your doctor or a registered dietitian.
Weight loss Lock Screen FAQ
Can the Lock Screen show my weight from the Health app? Apple's guide documents a Fitness widget for activity, not a weight widget. Open Add Widgets on your Lock Screen to see what your installed apps offer; some health apps provide their own widgets.
Can a different Lock Screen appear at the gym? Yes, indirectly. Schedule a Focus to turn on at the gym's location (Settings > Focus > your Focus > Add Schedule) and link that Focus to a workout Lock Screen; the linked Lock Screen appears whenever the Focus is on.
Is it a good idea to show my weight on the Lock Screen? Only if you're comfortable with others seeing it. The Lock Screen is readable without unlocking, so many people keep numbers inside the app and put a behaviour goal on the screen instead.
Does NoteWall track calories or weight? No. NoteWall puts notes and reminders you type onto your Lock Screen wallpaper and has reminders, habits and streaks. A subscription is required, and the App Store shows the terms before you pay.
Keep Reading:
Water reminders on the iPhone Lock Screen
New Year goals on your Lock Screen wallpaper
ADHD productivity apps for iPhone
For a comprehensive overview, visit our Goal Tracking on iPhone guide.
Keep Your Goal on the Lock Screen
Want this week's goal as text on your Lock Screen? NoteWall renders the notes you type into your wallpaper through the "Set NoteWall Wallpaper" Shortcut. A subscription is required; the App Store shows terms before you pay.
Download NoteWall
Founder of NoteWall. Building tools that turn your lock screen into a productivity system. About →
You might also like
Lock Screen Widgets vs. Wallpaper Notes: Which iPhone Approach Wins?
Lock Screen widgets vs. wallpaper notes on iPhone: what Apple's widgets are built for, what a note in the wallpaper does better, and when to use each.
Best Lock Screen Notes Apps for iPhone (2026): 7 Compared
Best lock screen notes apps for iPhone, compared from live App Store listings read on November 2, 2026: wallpaper, widget and Live Activity apps, and costs.
Minimalist iPhone Lock Screen Setup in 5 Steps
Set up a minimalist iPhone Lock Screen with Apple's own tools: a quiet wallpaper, one or two widgets, a Focus-linked second screen and one short note.