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Best Unknown Caller Trace Apps

189+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

The best unknown caller trace apps on iPhone average 4.2β˜… across 189+ titles β€” we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Unknown Caller Trace

Caller-ID#1

Caller-ID by Greenflight Venture Corporation

Reverse Phone Lookup
Editor's Choice
πŸ” Reference
3.7😞(19K ratings)
FreeIn-App Purchases
Caller-ID screenshot 1
Caller-ID screenshot 2
Caller-ID screenshot 3
Caller-ID screenshot 4
Caller-ID screenshot 5
Caller-ID screenshot 6

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.

What We Love

  • πŸ’― Accurate caller identification
  • πŸ” Helpful for screening calls
  • πŸ” Useful for finding unknown numbers

Room to Improve

  • πŸ› Doesn't work consistently
  • πŸ” Limited information provided
  • πŸ’° Misleading about free features
Getcontact#2

Getcontact by GETVERIFY LDA

Caller ID & Spam Blocker
Strong Contender
πŸ”§ 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

  • πŸŽ‰ Useful for blocking scam calls
  • πŸ‘ Easy to use and navigate
  • πŸš€ Effective at identifying and blocking spam calls

Room to Improve

  • πŸ”’ Privacy concerns, app accesses contacts
  • πŸ› Bugs and glitches, app not working as expected
  • πŸ”’ Concerns about personal information being shared
ViewCaller: Caller ID#3

ViewCaller: Caller ID by SMART MEDIA INTERNET MARKETING LTD

Identify unknown calls & spam
Worth Considering
πŸ”§ Utilities
4.1😞(729 ratings)
FreeAdsIn-App Purchases
ViewCaller: Caller ID screenshot 1
ViewCaller: Caller ID screenshot 2
ViewCaller: Caller ID screenshot 3
ViewCaller: Caller ID screenshot 4
ViewCaller: Caller ID screenshot 5
ViewCaller: Caller ID screenshot 6

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!

Room to Improve

  • ❌ Does not work
  • ❌ Inaccurate results
  • ❌ Useless functionality

More Unknown Caller Trace apps to explore

4
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.

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5
Number Finder Caller ID :True
Number Finder Caller ID :True
Number Finder Caller ID :True
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.

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6
NumberBox:CallerID
NumberBox:CallerID
NumberBox:CallerID
Know Your Caller
Free
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7
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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8
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)
9
Who: Premium True Caller ID
Who: Premium True Caller ID
Who: Premium True Caller ID
Spam Blocker β€’ 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.

πŸ”§ Utilities
(615)
10
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."

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(705)
11
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.

πŸ”§ Utilities
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12
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Block Unknown Caller ID Scams
Free

Screen unknown calls and receive only important ones with RoboShield AI-powered Call Assistant. Identify callers and filter spam, configure call preferences, and enjoy a spam-free voicemail inbox. Stay protected from unwanted calls and texts, with advanced caller ID features and SMS message filtering. Experience peace of mind with Robo Shield Spam Call Blocker.

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(54)
13
Call ID - Call Blocker
Call ID - Call Blocker
Call ID - Call Blocker
Verified Caller, Block Spamers
Free
πŸ”§ Utilities
(8K)
14
Show Caller Name & Block Spam
Show Caller Name & Block Spam
Show Caller Name & Block Spam
Know whos calling Scam blocker
Free

This application identifies incoming calls and displays the caller's name, making it easier to recognize who is calling before answering. Never miss an important call again – download now!

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15
Show Caller ID & Number Search
Show Caller ID & Number Search
Show Caller ID & Number Search
Spam Call Blocker・Phone Lookup
Free

This app helps you identify unknown callers, block unwanted numbers, and protect your phone from scams with advanced caller ID and spam blocking technology. Download it now to take control of your calls and keep your phone safe from telemarketers, robocalls, and fraud numbers.

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16
tellows Caller ID & Blocker
tellows Caller ID & Blocker
tellows Caller ID & Blocker
Detect & block unwanted calls
Free

This application helps you detect and block unwanted calls and SMS spam, allowing you to build a personal blacklist and lookup unknown phone numbers. By joining a community of users, you can rate and comment on phone numbers to help others avoid harassment, and take control of your phone's safety by trying it out today.

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(132)
17
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Identify callers quickly
Free

This application allows users to identify and block spam calls, search for unknown numbers, and manage their contacts efficiently. Stay protected from unwanted calls and take control of your phone with this all-in-one solution.

πŸ”§ Utilities
(99K)
18
Caller ID :True Name Caller ID
Caller ID :True Name Caller ID
Caller ID :True Name Caller ID
Identify Calls Name & Photo
Free
🌐 Social Networking
(995)
19
Caller App : Caller ID & Block
Caller App : Caller ID & Block
Caller App : Caller ID & Block
Identify unknown calls & spam
Free

Get instant caller identification and spam call blocking with this powerful application. Enhance your phone experience and stay protected from unwanted calls. Download now for a seamless communication experience.

πŸ”§ Utilities
(267)
20
CallApp
CallApp
CallApp
Caller ID & Spam Call Blocker
Free

This advanced caller ID app instantly identifies unknown numbers, boasting a database of over 7 billion phone numbers, allowing users to know who's calling before picking up and block spam calls. By downloading the app, users can take control of their calls, avoid unwanted interruptions, and enjoy a secure and private calling experience.

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