The short answer
Every iPhone on iOS 26 or iOS 27 has a call screener built in, for free. Apple calls it Call Screening. To turn it on:
From then on, when a number that isn’t in your contacts calls, your iPhone answers it quietly and asks who is calling and why. It rings only after the caller replies, and it shows you what they said. That is a good first step. It is not a front desk, though: the decision is still yours, on every call.
How Apple’s call screening works
- A number that isn’t saved in your Contacts calls.
- Your iPhone answers without ringing. An automated voice asks the caller for their name and the reason for the call, in your iPhone’s language. You see a notice that a call is being screened.
- The caller’s answer appears on your screen as text.
- Then your iPhone rings, with their answer showing. You answer it, or decline it and it goes to voicemail.
A robocall that hangs up instead of answering never rings you, and many do hang up. People in your Contacts ring as usual, without being asked anything.
You can also ask for more before you pick up. Tap Type to Reply on the incoming call and type a question. Your iPhone says it to the caller, and their reply appears on your screen.
Turning call screening on and off
- You need iOS 26 or later. iOS 27 runs on the iPhone 11 and newer and on the iPhone SE (2nd generation) and newer. Update in Settings, General, Software Update.
- The iPhone’s language must be one Apple supports for screening, English and Spanish among them in the US. If an up-to-date iPhone doesn’t show the option, check Settings, General, Language & Region.
- There is nothing to install or buy. Apple notes that your usual calling and data rates may apply.
To turn call screening off, go back to Screen Unknown Callers and choose Never. The third choice, Silence, sends unknown callers straight to voicemail without asking them anything. Our guide to stopping unknown calls on iPhone compares the two.
While you are in the Phone settings, scroll to Call Filtering and turn on Spam too. Calls your carrier identifies as spam or fraud are then silenced and sent to voicemail.
What it does well
- It is free and already on your iPhone.
- Robocalls rarely get past the question.
- You see who is calling, in their own words, before you pick up.
- Real callers still reach you. Silence would send every stranger to voicemail instead.
For your own iPhone, it is worth turning on today.
Where Apple’s call screening falls short
- It still rings you to decide. Once the caller answers, your phone rings and the choice is yours. For someone who answers every call, nothing changes at the moment that matters.
- It asks, but it doesn’t judge. The iPhone passes on whatever the caller says. The consumer group U.S. PIRG found that a caller who just says “hello” rings through. A scammer’s line, “This is Laura from your doctor’s office”, looks just as real on the screen.
- You read words, not a voice. You see a transcript, so you can’t hear the recording or the call center behind it.
- It doesn’t know which numbers are scams. Every unknown number gets the same question. Only calls your carrier flags reach the Spam filter, and a number first used this morning is often not flagged yet.
- Some real callers hang up. Delivery drivers, repair people and automated reminders don’t always stay on the line for a machine, so a call you were expecting can slip away.
- It protects this iPhone only. It does nothing for a parent’s iPhone across town unless it is turned on there, nothing for a landline, and nobody else in the family sees what happened.
- Two exceptions from Apple: calls are not screened while you are roaming, and screening turns off for 24 hours after you call emergency services.
What a call screening service adds
PhoneShield is a call screening service. It answers before the phone rings and makes the first decision itself. You forward the phone’s number to a PhoneShield number once, and every call meets PhoneShield first:
- Known scam numbers are refused before the phone rings: calls the network labels Scam Likely or Spam Risk, numbers on PhoneShield’s shared scam list, and numbers with repeated FTC complaints.
- Family gets straight through. Favorites and the contacts you add ring the PhoneShield app at once, with their name on the screen.
- Strangers are asked, and the answer is weighed. The front desk asks who they are and why they are calling. A real reason rings through with the caller’s name. Sales pitches and scam scripts are declined. Anyone else can leave a message.
- A family can run it for a parent. An adult child can start the plan and set it up with their parent in about ten minutes. Forwarding is turned on once, on the parent’s phone. After that the family adds favorites and sees every call and message from their own account, and PhoneShield tells you if forwarding is ever switched off.
- Landlines work too, because PhoneShield sits in front of the number, not on the phone.
No screening catches every scam, and PhoneShield doesn’t promise to. It takes most of them off the phone before anyone has to decide. See how a call is handled.
Apple’s screening and PhoneShield side by side
| Apple’s Call Screening | PhoneShield | |
|---|---|---|
| Unknown callers | Asked for their name and reason | Asked who they are and why, and the answer is weighed |
| Known scam numbers | Asked like anyone else, unless your carrier flags them and the Spam filter is on | Refused before the phone rings |
| Who decides | You, each time the phone rings | The front desk turns away pitches and scam scripts; real callers ring through |
| Phones covered | The iPhone it is turned on | Any phone that can forward calls, landlines included |
| The family can see calls | No | Yes |
| Cost | Free | $29.99 a month or $299 a year |
For your own iPhone, Apple’s screening plus the Spam filter is a fine start. For a parent who answers every call, or a landline, the decision has to be made before the phone rings. See the plan and price, or read how to stop scam calls to an elderly parent.
Questions people ask
Does iPhone have a call screener?
Yes. Since iOS 26, iPhones have Call Screening built in, for free. Turn it on in Settings, Apps, Phone: under Screen Unknown Callers, choose Ask Reason for Calling. Numbers that are not in your contacts are then asked for their name and the reason for the call before your iPhone rings.
How do I turn on call screening on my iPhone?
Open Settings, scroll to the bottom and tap Apps, then Phone. Scroll down to Screen Unknown Callers and choose Ask Reason for Calling. It needs iOS 26 or later.
What does a caller hear when my iPhone screens the call?
An automated voice answers and asks for their name and the reason for the call, in your iPhone's language. Once they reply, your iPhone rings and shows you their answer as text.
Does iPhone call screening stop scam calls?
It stops many robocalls, which hang up rather than answer. It does not stop a scammer who gives a believable reason: your iPhone rings and shows their story, and the decision is yours. Turn on the Spam filter as well, and never act on a call that asks for money, a code or personal details.
Why don't I see Screen Unknown Callers on my iPhone?
It needs iOS 26 or later, which runs on the iPhone 11 and newer and the iPhone SE (2nd generation) and newer. Update in Settings, General, Software Update. If the iPhone is up to date, check that its language is one Apple supports for screening, such as English or Spanish in the US.
How do I turn off call screening on iPhone?
Go to Settings, Apps, Phone, and under Screen Unknown Callers choose Never. Numbers you haven't saved will ring as usual again.
Is there a call screener I can manage for my parent's iPhone?
Apple's screening has to be turned on on their iPhone, and it still leaves them to judge each caller. PhoneShield answers for them: known scam numbers are refused, family rings through, and strangers are asked why they are calling. Call forwarding is turned on once on your parent's phone, together; after that the family manages it from their own account.
Sources
- iPhone User Guide for iOS 27, Screen and block calls: how Call Screening works, the three choices, the Spam filter
- Apple Support, Manage unknown callers on iPhone: the settings path, roaming, emergency calls, calling rates
- iPhone User Guide for iOS 27, Answer or decline incoming calls: Type to Reply
- Apple Newsroom, iOS 26 announcement: Call Screening and its languages
- U.S. PIRG Education Fund, Call screening in iPhone iOS 26: what gets past the question
Checked October 18, 2026, on iOS 27.