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Best Caller Id Lookup Free Apps

233+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated August 2026

Looking for free caller id lookup free apps? 20 of our 233+ tracked titles are free to download ā€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top Caller Id Lookup Free Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Caller-IDCaller-IDFree3.7ā˜… (19K)NoYesAug 2026
2Number Finder Caller ID :TrueNumber Finder Caller ID :TrueFree4.7ā˜… (70K)YesYesAug 2026
3Reverse LookupReverse LookupFree4.7ā˜… (153K)YesNoAug 2026
4Real Caller : Caller idReal Caller : Caller idFree4.1ā˜… (3.3K)YesYesAug 2026
5Calldex: Spam & Caller IDCalldex: Spam & Caller IDFreeā€”YesYesJul 2026
6CallerSmart: Reverse LookupCallerSmart: Reverse LookupFree4.6ā˜… (15K)YesYesAug 2026
7NumberBox:CallerIDNumberBox:CallerIDFree4.5ā˜… (465)NoNoAug 2026
8WhoContact: Caller ID LookupWhoContact: Caller ID LookupFree4.2ā˜… (99)NoNoAug 2026

Top Picks for Caller Id Lookup Free

Caller-ID#1

Caller-ID by Greenflight Venture Corporation

Reverse Phone Lookup
Editor's Choice
šŸ” Reference
3.7šŸ˜ž(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

Identify unknown callers and find out who owns a phone number. This app offers a global reverse lookup for over 1 billion numbers, with features like geolocation and social media directory integration. It also allows users to report and comment on spam or prank callers.

What We Love

  • šŸ’Æ Accurate caller identification
  • šŸ” Helpful for screening calls
  • šŸ” Useful for finding unknown numbers

Room to Improve

  • šŸ› Doesn't work consistently
  • šŸ” Limited information provided
  • šŸ’° Misleading about free features
Number Finder Caller ID :True#2

Number Finder Caller ID :True by the Digitalists Interactive Agency Ltd

Reverse Phone Book Lookup Box
Strong Contender
šŸ”§ Utilities
4.7šŸ˜ž(70K ratings)
FreeAdsIn-App Purchases
Number Finder Caller ID :True screenshot 1
Number Finder Caller ID :True screenshot 2
Number Finder Caller ID :True screenshot 3
Number Finder Caller ID :True screenshot 4
Number Finder Caller ID :True screenshot 5

Identify unknown callers and protect your privacy with this comprehensive reverse phone lookup tool. See who searched for your number, block spam, and manage your digital footprint. Stay safe and informed about who contacts you.

What We Love

  • šŸš€ Helpful in finding unknown callers
  • šŸ‘ Provides useful information
  • šŸ’” Ability to track and monitor calls

Room to Improve

  • šŸ› Inaccurate or incomplete information
  • šŸ’° Expensive subscription fees
  • šŸ”’ Privacy concerns with required permissions
Reverse Lookup#3

Reverse Lookup by Orave Technologies

Phone number lookup pro.
Worth Considering
šŸ” Reference
4.7šŸ˜Š(153K ratings)
FreeAds
#89in Reference
Reverse Lookup screenshot 1
Reverse Lookup screenshot 2
Reverse Lookup screenshot 3
Reverse Lookup screenshot 4
Reverse Lookup screenshot 5

Identify unknown callers and uncover details about any phone number. This free tool helps you check for spam and find information on cell, landline, and toll-free numbers from the US and Canada.

What We Love

  • šŸš€ Amazing tracking service
  • šŸ’Æ Helpful & instrumental
  • šŸ‘ Excellent Trustworthy Finder
  • šŸ”’ Unique, helpful review

Room to Improve

  • šŸ› Inaccurate
  • šŸ› SCAM!!!
  • šŸ› Canceled app they kept taking money out of my account and now deny it

More Caller Id Lookup Free apps to explore

4
Real Caller : Caller id
Real Caller : Caller id
Real Caller : Caller id
Number Lookup - Phone Numbers
Free

This app allows users to create profiles, search for others, and block unwanted calls. It also offers instant messaging between users and allows you to add multiple names to your verified phone number for easier identification. Premium features are available through subscription.

Create and manage user profilesSearch for other users' profilesBlock unwanted phone calls
šŸ”§ Utilities
(3.3K)
freemium
5
Calldex: Spam & Caller ID
Calldex: Spam & Caller ID
Calldex: Spam & Caller ID
Spam & Caller ID
Free
šŸŒŸ Lifestyle
(0)
6
CallerSmart: Reverse Lookup
CallerSmart: Reverse Lookup
CallerSmart: Reverse Lookup
Caller ID & Spam Call Blocker
Free

Identify unknown callers and block unwanted spam texts and calls. Get detailed caller information before answering and protect your privacy by adding your number to the Do Not Call Registry. Manage your calls effectively with this easy-to-use tool.

Reverse phone lookupCaller ID for incoming callsSMS filter
šŸ”§ Utilities
(15K)
free with in-app purchases
7
NumberBox:CallerID
NumberBox:CallerID
NumberBox:CallerID
Know Your Caller
Free

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.

Voluntarily report unwanted numbersManually add tags to phone numbersIdentify spam and telemarketing calls
šŸ”§ Utilities
(465)
free
8
WhoContact: Caller ID Lookup
WhoContact: Caller ID Lookup
WhoContact: Caller ID Lookup
Find names behind numbers
Free

Instantly identify unknown callers and discover contact details for any number or name. Protect yourself from spam and fraud with real-time community reports and advanced blocking. Seamlessly integrate with WhatsApp for faster communication.

Instant caller recognitionNumber and name searchSpam and fraud protection
šŸ”§ Utilities
(99)
free
9
Number Tracker -True Caller ID
Number Tracker -True Caller ID
Number Tracker -True Caller ID
Find Phone Number
Free

Identify unknown callers and block unwanted calls. This app displays true caller ID names and regions, allowing you to search any mobile number and view your search history. It helps detect spam callers and provides detailed caller information from your call logs.

Identify unknown callersBlock spam and unwanted callsDisplay true caller ID name and region
šŸ”§ Utilities
(14)
free with in-app purchases
10
Caller ID & Spam Number Lookup
Caller ID & Spam Number Lookup
Caller ID & Spam Number Lookup
Find Whoā€™s Calling You
Free

Instantly identify unknown callers and search phone numbers to find caller information. Manage your contacts with ease, access emergency numbers quickly, and enjoy a clean, user-friendly interface.

Identify unknown callersSearch phone numbersCaller information lookup
šŸ”§ Utilities
(1)
freemium
11
Show Caller ID & Spam Block
Show Caller ID & Spam Block
Show Caller ID & Spam Block
Show True Id & Spam Blocker
Free
šŸ”§ Utilities
(0)
12
Phone Reveal
Phone Reveal
Phone Reveal
Reverse Phone Number Lookup
Free

Identify unknown callers by performing reverse phone number lookups. Enter a number to find the associated name or location. Supports US/CA numbers and allows users to report spam to improve accuracy.

Reverse phone number lookupIdentify unknown callersSupports cell and land lines
šŸ”§ Utilities
(1.9K)
ad-supported
13
Truecaller - Caller ID & Block
Truecaller - Caller ID & Block
Truecaller - Caller ID & Block
Spam & Scam Phone Call Blocker
Free

Identify unknown callers, block spam and scam calls, and filter unwanted SMS messages. This app provides real-time spam protection and smart contact management for safer, more organized communication.

Identify unknown callersBlock spam and scam callsFilter unwanted SMS
šŸ”§ Utilities
(4)
free with in-app purchases
14
Reverse Lookup : Caller ID
Reverse Lookup : Caller ID
Reverse Lookup : Caller ID
Phone Number Details
Free

Instantly access detailed information about any phone number worldwide. Discover the name, address, and carrier associated with a number without any subscription fees. A pay-as-you-go model makes it convenient to get the details you need.

Worldwide phone number supportName, address, and carrier informationNo subscriptions required
šŸ”§ Utilities
(6)
free with in-app purchases
15
Showcaller Caller ID Block
Showcaller Caller ID Block
Showcaller Caller ID Block
by Tumada Anushaaben
Free
šŸ”§ Utilities
(0)
16
Phone Parent Ā® Caller ID
Phone Parent Ā® Caller ID
Phone Parent Ā® Caller ID
Caller ID & Blocking
Free
šŸ”§ Utilities
(0)
17
Number Finder: Who is calling?
Number Finder: Who is calling?
Number Finder: Who is calling?
Unlock Details: Caller ID Info
Free

Identify unknown callers instantly with detailed information including name, address, and photo. Enjoy unlimited free reverse phone lookups and optional premium searches for deeper insights. Reclaim your time and eliminate the frustration of unanswered calls.

Caller identificationReverse phone lookupCaller name, address, and photo display
šŸ”§ Utilities
(17)
free with in-app purchases
18
Find Caller Name
Find Caller Name
Find Caller Name
by Blacktelio OƜ
Free

Identify the name associated with any phone number through a CNAM lookup. This tool displays the caller's name, functioning as a Caller ID Name Lookup. Simply enter the number and select the correct country to reveal the caller's identity.

CNAM lookupCaller ID Name LookupIdentify caller names
šŸ”§ Utilities
(2)
free with in-app purchases
19
Caller ID & Reverse Lookup
Caller ID & Reverse Lookup
Caller ID & Reverse Lookup
Find Number - Call Identifier
Free

Identify unknown callers and block unwanted messages with this secure application. It provides real-time alerts for spam and scam calls, allowing you to manage your contacts and organize your communication effectively.

Basic Caller IDSpam detection technologyPersonal block list
šŸ”§ Utilities
(14)
free with in-app purchases
20
Caller Details - FindBy Number
Caller Details - FindBy Number
Caller Details - FindBy Number
Caller ID, Search & Reminders
Free

Identify unknown callers with smart search and access relevant details instantly. Share your location, set call reminders, and discover nearby places. Enjoy a smooth, organized communication experience.

Smart number searchCaller information insightsLocation sharing
šŸ”§ Utilities
(36)
free with in-app purchases

FAQ about Caller Id Lookup Free

What are the best caller id lookup free apps for iPhone?
Caller-ID tops our caller id lookup free apps ranking as of August 2026, with a 3.7-star average from 19K App Store ratings, and it's free to download.
Caller-ID has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 233+ caller id lookup free apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a reverse phone lookup service to help you identify who owns a phone number. It allows you to search over 1 billion phone numbers worldwide and find out the name associated with a number that has contacted you.
Key features include a global caller ID search for over 1 billion numbers, maps geolocation to show the approximate area by area code, a social media directory to find users on platforms like Facebook and Twitter, and crowdsourced voting and comments on spam numbers.