iPhone Caller ID and Spam Call Blocker
See who's calling before you answer – even if the number isn't saved in your contacts. Sync.me brings real-time iPhone caller ID and smart spam protection together in one app, trusted by over 20 million users worldwide.

Identify unknown calls in real time and see the caller's name even if the number is not in your contacts.
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How Sync.me Works on Your iPhone
Sync.me vs. a Basic iPhone Caller Identification Setup
FeatureiPhone Built-InSync.me for iPhone
Identify unknown callers
Spam call blocking
Limited
Smart & customizable
Reverse phone lookup
AI-powered number insights
Social contact sync
Works with WhatsApp & VoIP
Contact backup & merge
Frequently Asked Questions
How does Sync.me caller ID work on an iPhone?
Sync.me's iOS tool integrates with the iPhone's native Call Blocking & Identification feature. Once enabled in Settings, it matches incoming calls against its global database in real time and displays the caller's name and spam status before you answer.
Is Sync.me's spam call blocker free on iPhone?
Basic spam warnings are available on the free plan. Advanced spam blocking options, such as blocking all reported spammers or top global spam numbers, require a Premium subscription.
Does Sync.me iPhone caller ID work with WhatsApp?
Yes, Sync.me's iPhone caller ID and spam protection extends to VoIP calls from apps like WhatsApp, so unknown callers are identified regardless of which app they're calling through.
Can Sync.me sync contacts from Instagram and LinkedIn on iPhone?
Got any other questions you want to ask?
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