Apple's Check In feature can automatically tell a trusted person that an iPhone reached a destination or that a chosen amount of time ended safely. If the sender does not arrive or respond to prompts, the recipient may receive selected device and journey details.
Check In is not emergency response or continuous family tracking. It is a temporary agreement between two people, and Apple currently requires iOS 17 or later for both sender and recipient.
Choose destination or timer
Use When I Arrive for a walk, drive, transit trip, or appointment with a known destination. The phone estimates progress and can complete the Check In upon arrival.
Use After a timer when the destination is not the useful measure: meeting a new person, working alone for an hour, or taking an unstructured local walk. The sender must end the timer Check In before it expires or respond to prompts.
Neither mode proves that the person is medically safe. It reports the Check In state and available device information.
Agree with the recipient first
Before sending, confirm:
- They use a compatible iPhone and can receive the message.
- They know the expected destination or finish time.
- They understand what a delayed or failed Check In means.
- They know whom to call and have the local address or route if needed.
- They will not assume the feature itself has called emergency services.
A person who is asleep, driving, or unaware of their role is not an effective recipient.
Send a destination Check In
- Open Messages and select the trusted contact.
- Tap the Apps button, then More > Check In.
- Tap Edit and choose When I Arrive.
- Set the destination and travel method: driving, transit, or walking.
- Add extra time if the estimate is too tight.
- Review the message and tap Send.
Menu placement can change by iOS release. If Check In is absent, confirm both phones meet the current software requirement and check Apple's regional availability notes.
Send a timer Check In
Follow the same Messages path, tap Edit, and choose After a timer. Set a realistic duration with time to pack up, reach the car, or finish a conversation. An unrealistically short timer creates alarms rather than safety.
The sender should keep the phone powered, carry it, and notice Check In prompts. Apple notes that loss of service or a powered-off phone may lead to an early or delayed notification for the recipient.
Choose Limited or Full sharing
Open Settings > Apps > Messages > Check In Data, then review:
| Choice | Data Apple says may be shared after an incomplete Check In |
|---|---|
| Limited | Current location, network signal, and iPhone / Apple Watch battery details |
| Full | Limited data plus route traveled and the last iPhone unlock or Apple Watch removal time |
Full data can provide more context, but it reveals more about movement and device use. The sender should choose, not a helper or family member by default.
Test on a short familiar trip
Use a five- or ten-minute outing where both people can speak by phone. Confirm the recipient sees the original Check In and the completion notice. On another practice, add time and then cancel through the Check In details so both actions are familiar.
Do not intentionally create a prolonged failed Check In. A calm successful test proves compatibility without causing unnecessary worry.
Add time or cancel correctly
If delayed, open the Messages conversation, tap Details on the Check In, then Add Time. If plans change, open Details and choose Cancel Check In, then confirm. Send a plain message or call if the recipient needs an explanation.
Leaving the route or stopping for coffee does not necessarily mean danger, but it can affect timing. Update the Check In rather than expecting the recipient to guess.
Know what the recipient should do
Agree on a response ladder:
- Call the sender.
- Send a message and wait the agreed short interval.
- Check the details shared by Check In.
- Contact a nearby trusted person if appropriate.
- Call emergency services when the circumstances reasonably suggest danger.
The recipient should not travel alone into an unsafe location. Provide information to professionals instead.
Keep emergency tools separate
Check In does not replace Emergency SOS, Medical ID, a local emergency number, or a route plan. For remote outings, phone service, weather, battery, companions, and suitable equipment still matter. A satellite-capable device may offer separate features only on supported hardware and in supported regions.
Use Check In for the ordinary question “Did you arrive?” Use emergency services for an emergency.
Review after updates
Recheck the Messages path, sharing choice, recipient, and test after a major iOS update or new phone. Stop using a contact who no longer wants the role. A successful setup respects both independence and privacy while making one agreed absence more noticeable.