Best Unknown Caller Trace Apps

237+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated October 2026

The best unknown caller trace apps on iPhone average 3.9★ across 237+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Unknown Caller Trace Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Truecaller ~ Caller ID & BlockTruecaller ~ Caller ID & BlockFree—YesYesOct 2026
2Traceback: Reveal No Caller IDTraceback: Reveal No Caller IDFree4.6★ (120)YesYesOct 2026
3NumberBox:CallerIDNumberBox:CallerIDFree4.5★ (566)NoNoOct 2026
4Caller-IDCaller-IDFree3.7★ (19K)NoYesNov 2026
5Reveal No Caller ID – MaskOffReveal No Caller ID – MaskOffFree—NoYesOct 2026
6Phone Call - Caller IDPhone Call - Caller IDFree3.9★ (7)YesNoOct 2026
7GetcallerGetcallerFree4.5★ (81)YesYesOct 2026
8Real Caller : Caller idReal Caller : Caller idFree4.1★ (3.3K)YesYesOct 2026

Top Picks for Unknown Caller Trace

Traceback: Reveal No Caller ID#2

Traceback: Reveal No Caller ID by Mord & Co LLC

Trap & unmask a blocked call
Strong Contender
💼 Business
4.6(120 ratings)
FreeAdsIn-App Purchases
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Instantly unmask the identity of unknown and "No Caller ID" calls. Receive real-time notifications with caller details and generate police-ready evidence reports for enhanced safety and peace of mind.

NumberBox:CallerID#3

NumberBox:CallerID by Marvan Salemi

Know Your Caller
Worth Considering
🔧 Utilities
4.5😐(566 ratings)
Free
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This app helps you identify unwanted calls by allowing users to report and tag spam or telemarketing numbers. All submissions are anonymous and help build a community-driven database to protect users from potential scams.

What We Love

  • 🎯 Effective at identifying unknown numbers
  • ⚡ Fast and practical performance
  • 📱 User-friendly interface
  • 💪 Comprehensive caller ID database
  • 👍 Reliable identification results

Room to Improve

  • 🔒 Serious privacy violations and data sharing without consent
  • 🚫 Non-functional after recent updates
  • 📵 Doesn't work anymore for core functionality
  • ❌ Poor customer support and unresponsive to requests
  • ⚠️ Inaccurate identification - shows wrong names
  • 🔐 Collects and displays personal data without permission
  • 📊 Limited database coverage in some regions

More Unknown Caller Trace apps to explore

FAQ about Unknown Caller Trace

Are there free unknown caller trace apps for iPhone?
Yes — 20 of the top unknown caller trace apps we rank are free to download, including Truecaller ~ Caller ID & Block and Traceback: Reveal No Caller ID.
Truecaller ~ Caller ID & Block shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 237+ unknown caller trace apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.