Sweet Dreams for Tandem t:slim X2 and Mobi: Live Activity, Apple Watch and alerts

How to see Tandem t:slim X2 and Mobi readings on your iPhone Lock Screen and Dynamic Island

Your latest reading, trend and graph on the Lock Screen and in the Dynamic Island, refreshed every few minutes, far more often than widgets. It also appears in StandBy, on Apple Watch and on CarPlay (iOS 26). Premium

1. Open Sweet Dreams and tap Live Activity on the Home tab.
2. To change the look, go to Settings → Live Activity & Dynamic Island and pick a style.
3. Optional: choose what shows in the Dynamic Island from the same screen.

More about Live Activity →

How to see Tandem t:slim X2 and Mobi readings on Apple Watch

Three ways to see readings on your wrist: a frequently refreshed Live Activity in the Smart Stack, complications for every watch face, and a watch app with a graph. Premium

1. Install Sweet Dreams on your iPhone and sign in. The watch app installs with it.
2. Live Activity (recommended): start a Live Activity on your iPhone. On watchOS 11 or later it appears in the Smart Stack; scroll down on any watch face to see it.
3. Complications: long-press your watch face, tap Edit, and add a Sweet Dreams complication to any slot.
4. Watch app: open Sweet Dreams on the watch for the latest reading, a timer and a graph. To keep it on screen for up to an hour, open the Watch app on your iPhone, go to General → Return to Clock → Sweet Dreams, turn on Custom and choose After 1 hour.

More about Apple Watch →

How to get low, high and critical alerts for Tandem t:slim X2 and Mobi

Free alerts for very low, low, high, very high, fast rises and drops, and missed readings. Each can be Regular, Time Sensitive, or Critical, which sounds even when muted and overrides Focus modes. Free

1. Go to Settings → Notifications in Sweet Dreams.
2. Tap an alert (for example Low) and set its threshold.
3. Tap Priority and choose Regular, Time Sensitive (stays on the Lock Screen for an hour) or Critical. Critical alerts play a sound even when your iPhone is muted and override Focus modes such as Sleep. Allow Critical Alerts when iOS asks.
4. Set up missed-reading alerts too: a standard alert, plus an escalation if readings still haven't arrived.

• Alerts are sent from our servers, so Sweet Dreams doesn't need to be open.

More about Alerts →

How to add Tandem t:slim X2 and Mobi readings to iPhone widgets and StandBy

Home Screen, Lock Screen and StandBy widgets in several designs. For readings that refresh more often, pair them with a Live Activity. Premium

1. Home Screen: touch and hold an empty area, tap Edit → Add Widget, search for Sweet Dreams and pick a size.
2. Lock Screen: touch and hold the Lock Screen, tap Customise → Lock Screen, then add a Sweet Dreams widget.
3. StandBy: put your iPhone on a charger on its side, touch and hold the right-hand widget, tap +, search for Sweet Dreams and tap Add Widget. There are two designs.
4. In StandBy you can also tap the reading at the top to see your Live Activity full screen, which refreshes more often than widgets.

More about Widgets & StandBy →

How to see Tandem t:slim X2 and Mobi readings on CarPlay

On iOS 26 or later, your Live Activity appears on CarPlay automatically when you start driving, so readings are a glance away. Premium

1. Start a Live Activity in Sweet Dreams.
2. Connect your iPhone (iOS 26 or later) to CarPlay. The Live Activity shows up automatically when you start driving.
3. Optional: in Settings → CarPlay, choose a glass background. This setting also affects the Live Activity on Apple Watch.

More about CarPlay →

How to see Tandem t:slim X2 and Mobi readings on your Mac or iPad

Sweet Dreams runs on iPad and on Macs with Apple silicon too. You can also show your latest reading in your Mac's calendar.

1. Search for Sweet Dreams on the Mac App Store (Macs with Apple silicon) or on the App Store on iPad. In the iPhone app, Settings → iPad & Mac can send you a download link.
2. Sign in the same way you did on iPhone.
3. Optional: Calendar integration (Settings → Calendar, or Settings → CarPlay → Connect with Calendar on iOS 26) uploads your latest reading to a Sweet Dreams calendar. You'll need your Apple ID and an app-specific password (not your Apple password).

More about Mac & iPad →

How to sync Tandem t:slim X2 and Mobi readings to Apple Health

Export readings to Apple Health, or import glucose from Health to see stats and trends. Premium

1. Go to Settings → Apple Health in Sweet Dreams.
2. Turn on Write to Apple Health and allow write access for Blood Glucose when asked.
3. Turn on Read from Apple Health too if you want the Stats tab, which is built from your Health data.

More about Apple Health →

Stats with Tandem

Time in range, average glucose, estimated A1C, standard deviation, coefficient of variation, and counts of lows and highs. Premium

1. Open the Stats tab and choose a period, such as the last 30 days.

More about Stats →

Notification profiles with Tandem

Separate alert settings for sleep, work, school, the gym and more, switched by hand or automatically with Shortcuts.

1. Create profiles with different alert settings, for example Sleep and Exercise.
2. To switch automatically, open the Shortcuts app, go to Automations and tap +.
3. Choose a trigger, such as a time of day, arriving somewhere, a Focus mode starting, or an Apple Watch workout. Select Run Immediately.
4. Tap New Blank Automation → Add Action, search for Change Profile, and choose the profile to switch to.

More about Notification profiles →

Family and caregivers with Tandem

Parents, partners, grandparents and carers can all follow the same person's CGM readings on their own iPhone, each with their own alerts. One Premium subscription covers the whole family.

1. Install Sweet Dreams on each family member's iPhone.
2. Everyone signs in with the same sharing account for the person you look after. Your device's page says which account that is, for example LibreLinkUp for FreeStyle Libre or the wearer's Dexcom account for Dexcom.
3. Each person sets up their own alerts in Settings → Notifications.
4. Use the Message Group button on the Home tab to ping everyone following the same person, or to let them know you're taking care of it.

More about Family & caregivers →