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Best Unknown Caller Trace Apps

199+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated April 2026

The best unknown caller trace apps on iPhone average 4.4★ across 199+ titles — we've ranked them by what real users actually keep on their phones. Updated April 2026.

Top Picks for Unknown Caller Trace

Getcontact#1

Getcontact by GETVERIFY LDA

Caller ID & Spam Blocker
Editor's Choice
🔧 Utilities
4.4😞(59K ratings)
FreeAdsIn-App Purchases
Getcontact screenshot 1
Getcontact screenshot 2
Getcontact screenshot 3
Getcontact screenshot 4
Getcontact screenshot 5

Manage your calls more efficiently with this app that helps identify unknown numbers, block spam calls, and organize your contacts easily. Stay in control of your communication with just a few taps. Download now to simplify your call management experience.

What We Love

  • 🎉 Useful for blocking scam calls
  • 👍 Easy to use and navigate
  • 🚀 Effective at identifying and blocking spam calls

Room to Improve

  • 🔒 Privacy concerns, app accesses contacts
  • 🐛 Bugs and glitches, app not working as expected
  • 🔒 Concerns about personal information being shared
CallerSmart: Reverse Lookup#2

CallerSmart: Reverse Lookup by CALLERSMART.COM LLC

Caller ID & Spam Call Blocker
Strong Contender
🔧 Utilities
4.6😐(15K ratings)
FreeAdsIn-App Purchases
CallerSmart: Reverse Lookup screenshot 1
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CallerSmart: Reverse Lookup screenshot 3
CallerSmart: Reverse Lookup screenshot 4
CallerSmart: Reverse Lookup screenshot 5
CallerSmart: Reverse Lookup screenshot 6

Lookup unknown phone numbers with CallerSmart: Instantly identify incoming calls, view caller details, and avoid spam calls with this powerful reverse lookup tool. Download now to take control of your incoming calls!

What We Love

  • 🚀 Accurate reverse lookup
  • 👍 Easy to use
  • 💡 Helpful for identifying spammers
  • 👍 Provides location and other details

Room to Improve

  • 🐛 Inconsistent/unreliable results
  • 💰 Paywall for full details
  • 🔒 Privacy concerns with data collection
TrapCall: Reveal No Caller ID#3

TrapCall: Reveal No Caller ID by Mosaic S.r.l.

Control Who Calls You & Block
Worth Considering
💼 Business
4.2😞(25K ratings)
FreeAdsIn-App Purchases
#30in Business
TrapCall: Reveal No Caller ID screenshot 1
TrapCall: Reveal No Caller ID screenshot 2
TrapCall: Reveal No Caller ID screenshot 3
TrapCall: Reveal No Caller ID screenshot 4
TrapCall: Reveal No Caller ID screenshot 5
TrapCall: Reveal No Caller ID screenshot 6

Take control of your incoming calls with an application that reveals unknown numbers and blocks unwanted callers. Download now to put an end to anonymous calls and stay in charge of your phone.

What We Love

  • 🔒 Effective in unmasking blocked numbers
  • 🚀 Able to record and transcribe calls
  • 👍 Helpful in gathering evidence for legal issues

Room to Improve

  • 🐛 Inaccurate caller ID information
  • 🔒 Difficult to fully deactivate and remove from device
  • 🔋 Continued call forwarding even after cancellation

More Unknown Caller Trace apps to explore

4
Number Finder True: Caller ID
Number Finder True: Caller ID
Number Finder True: Caller ID
Spam and Lookup Protection
Free

Reverse Phone Lookup application that helps you identify unknown callers and block spam calls. Simply enter a phone number to get detailed caller information and take control of your incoming calls. Stay informed and stay safe with Number Finder.

🔧 Utilities
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5
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam Blocker・Phone Call Filter
Free

Identify and block spam calls, search for unknown numbers, and utilize AI-powered call screening and recording features with this app. Enhance your phone call experience and safeguard your communication effortlessly. Spot annoying spam calls now!

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6
Real Caller : Caller id
Real Caller : Caller id
Real Caller : Caller id
Number Lookup - Phone Numbers
Free

An application that allows users to create profiles in a directory for others to search and connect with, block unwanted calls, and communicate via instant messaging. Users can subscribe to unlock premium features like enhanced search options. Visit the website for more information on privacy policy and terms of use.

🔧 Utilities
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7
Caller-ID
Caller-ID
Caller-ID
Reverse Phone Lookup
Free

A Caller-ID app for reverse phone lookup with detailed caller information, including global number search, geolocation mapping, social media directory, spam number reporting, and dialing format/timezone details. Ideal for identifying unknown callers and managing contacts efficiently.

🔍 Reference
(19K)
8
ViewCaller: Caller ID
ViewCaller: Caller ID
ViewCaller: Caller ID
Identify unknown calls & spam
Free

ViewCaller is a caller identification app that helps users identify unknown calls. Stay informed about incoming calls with ease. Download now to never miss important calls again!

🔧 Utilities
(757)
9
Reverse Lookup
Reverse Lookup
Reverse Lookup
Phone number lookup pro.
Free

Reverse Lookup is a free iOS app that provides detailed information about phone numbers, including spam likelihood. Features include finding information on numbers, reporting scammers, and blocking callers. Quickly identify unknown callers before answering.

🔍 Reference
(146K)
10
Reveal No Caller ID – MaskOff
Reveal No Caller ID – MaskOff
Reveal No Caller ID – MaskOff
Unmask & trap a blocked call
Free

Unmask unknown calls with our app - see who's behind the No Caller ID! Block unwanted calls and take control of your incoming calls today.

💼 Business
(523)
11
True CallerID: Spam Blocker
True CallerID: Spam Blocker
True CallerID: Spam Blocker
Identify unknown calls & spam
Free

This application helps identify unknown callers, block robocalls, and stop spam calls automatically with advanced features like smart spam detection, real-time caller lookup, and AI-powered scam call blocking. Download now and take back control of your phone by identifying who's calling and blocking unwanted numbers.

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(184)
12
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Caller id reverse phone lookup
Free

"Identify and avoid spam calls with Find Caller - Reverse Lookup. Get real-time risk assessments for unknown numbers worldwide, ensuring you never miss important calls. Lookup caller information and stay protected from fraudulent calls."

🔧 Utilities
(705)
13
SpoofCard - Privacy Protected
SpoofCard - Privacy Protected
SpoofCard - Privacy Protected
Second Number For Calls & Text
Free

Get a second number for calls with SpoofCard - Privacy Protected. Protect your privacy and make calls with a different number. Sign up now for secure communication.

🌐 Social Networking
(36K)
14
Who: Premium True Caller ID
Who: Premium True Caller ID
Who: Premium True Caller ID
Spam Blocker • Phone Lookup
Free

An AI call assistant app that provides true caller ID, spam blocking, personalized whitelist, and real-time spam detection. Enhance your calling experience with authenticity and security - download now for seamless conversations and accurate caller insights.

🔧 Utilities
(591)
15
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Caller ID & Spam Call Blocker
Free

Protect yourself from spam and robocalls with our app that automatically blocks unwanted calls. Say goodbye to annoying interruptions and enjoy peace of mind. Download now to take back control of your phone!

🔧 Utilities
(31K)
16
Change Phone Number by Numbr
Change Phone Number by Numbr
Change Phone Number by Numbr
Spoof Call & Text, Caller ID
Free

A useful app that allows users to change their phone numbers for private texting. Keep your personal number confidential with this convenient tool.

🔧 Utilities
(2.6K)
17
Caller ID - Spam Call Blocker
Caller ID - Spam Call Blocker
Caller ID - Spam Call Blocker
Identify unknown calls & spam
Free

A smart app that identifies and blocks spam calls, providing users with detailed Caller ID information. Protect your privacy and avoid unwanted interruptions with this essential tool.

💼 Business
(127)
18
Hiya: Spam Blocker
Hiya: Spam Blocker
Hiya: Spam Blocker
Personal Call Screener
Free

Block spam calls and messages effortlessly with our cutting-edge application. Say goodbye to nuisance calls for good – download now and reclaim your peace of mind.

🔧 Utilities
(237K)
19
True Caller - Number Tracker
True Caller - Number Tracker
True Caller - Number Tracker
Identify Any Unknown Caller
Free
🌐 Social Networking
(0)
20
CallApp - Caller ID & Block
CallApp - Caller ID & Block
CallApp - Caller ID & Block
Unknown calls & spam calls
Free
🔧 Utilities
(403)

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