Best Caller Id Lookup Free Apps

201+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

Looking for free caller id lookup free apps? 20 of our 201+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Caller Id Lookup Free Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Number Finder Caller ID :TrueNumber Finder Caller ID :TrueFree4.7★ (70K)YesYesJul 2026
2Reverse LookupReverse LookupFree4.7★ (146K)YesNoJul 2026
3Caller-IDCaller-IDFree3.7★ (19K)NoYesJul 2026
4True ID Caller - Number FinderTrue ID Caller - Number FinderFree4.6★ (18)NoYesJul 2026
5Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (251K)YesYesJul 2026
6CallerSmart: Reverse LookupCallerSmart: Reverse LookupFree4.6★ (15K)YesYesJul 2026
7Real Caller : Caller idReal Caller : Caller idFree4.1★ (3.3K)YesYesJul 2026
8Sync.me - Caller ID & BlockerSync.me - Caller ID & BlockerFree4.4★ (22K)YesYesJul 2026

Top Picks for Caller Id Lookup Free

Number Finder Caller ID :True#1

Number Finder Caller ID :True by Digitalists Interactive Agency Ltd

Spam and Lookup Protection
Editor's Choice
🔧 Utilities
4.7😞(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

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

  • 🚀 Helpful in finding unknown callers
  • 👍 Provides useful information
  • 💡 Ability to track and monitor calls

Room to Improve

  • 🐛 Inaccurate or incomplete information
  • 💰 Expensive subscription fees
  • 🔒 Privacy concerns with required permissions
Reverse Lookup#2

Reverse Lookup by Orave Technologies

Phone number lookup pro.
Strong Contender
🔍 Reference
4.7😊(146K ratings)
FreeAds
#99in 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

  • 🚀 Amazing tracking service
  • 💯 Helpful & instrumental
  • 👍 Excellent Trustworthy Finder
  • 🔒 Unique, helpful review

Room to Improve

  • 🐛 Inaccurate
  • 🐛 SCAM!!!
  • 🐛 Canceled app they kept taking money out of my account and now deny it
Caller-ID#3

Caller-ID by Greenflight Venture Corporation

Reverse Phone Lookup
Worth Considering
🔍 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

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

  • 💯 Accurate caller identification
  • 🔍 Helpful for screening calls
  • 🔍 Useful for finding unknown numbers

Room to Improve

  • 🐛 Doesn't work consistently
  • 🔍 Limited information provided
  • 💰 Misleading about free features

More Caller Id Lookup Free apps to explore

4
True ID Caller - Number Finder
True ID Caller - Number Finder
True ID Caller - Number Finder
Identify num & block spam call
Free

Identify unknown callers before you answer and block unwanted spam and scam calls. This app offers a reverse phone lookup to find caller details and provides smart call protection worldwide. It features a clean interface for daily, reliable caller identification.

Real-time caller IDAutomatic spam blockerReverse phone lookup
🔧 Utilities
(18)
free with in-app purchases
5
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam Blocker・Phone Call Filter
Free

Identify unknown callers and block spam calls and texts. This app uses AI and community data to screen calls, identify callers, and offers an AI assistant for call screening. Premium features include ad removal, unlimited lookups, and profile insights.

Identify unknown callersBlock spam calls and SMSAI-powered call screening
🔧 Utilities
(251K)
free with in-app purchases
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
🔧 Utilities
(15K)
free with in-app purchases
7
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
🔧 Utilities
(3.3K)
freemium
8
Sync.me - Caller ID & Blocker
Sync.me - Caller ID & Blocker
Sync.me - Caller ID & Blocker
Identify Spam & Scam Calls
Free

Identify unknown callers in real-time, block spam automatically, and keep your contacts updated with real photos. Search any number worldwide and manage your address book with smart tools.

Live caller IDAutomatic spam blockingReverse number lookup
🌐 Social Networking
(22K)
free with in-app purchases
9
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
🔧 Utilities
(465)
free
10
Reverse Phone Lookup
Reverse Phone Lookup
Reverse Phone Lookup
Look Up Numbers and Caller ID
Free

Instantly identify unknown callers and access detailed information on over 200 million phone numbers. Reveal caller names, addresses, and emails, and block spam numbers to enhance your security. Keep your contacts organized and up-to-date.

Reverse phone number lookupsIdentify unknown callersBlock spam numbers
🔧 Utilities
(11K)
free with in-app purchases
11
Whoscall: Caller ID & Block
Whoscall: Caller ID & Block
Whoscall: Caller ID & Block
Report scam, build community
Free

This app acts as a digital shield against scams and spam calls and messages. It uses AI and community reports to identify unknown numbers and block suspicious content. Users can also verify phone numbers, URLs, and screenshots to enhance their online safety.

Caller ID & BlockerSmart SMS AssistantNumber, URL, Screenshot Verification
🔧 Utilities
(3K)
free with in-app purchases
12
Me - Caller ID & Spam Blocker
Me - Caller ID & Spam Blocker
Me - Caller ID & Spam Blocker
See Who Saved Your Number
Free

Identify unknown callers, block spam, and discover how your contacts have saved your number. This app also acts as a social network for your contacts, allowing you to see and manage how you're named by others.

Real-time caller IDSpam call and SMS blockingSee how contacts saved your number
🌐 Social Networking
(1.4K)
free with in-app purchases
13
Reverse Lookup ®
Reverse Lookup ®
Reverse Lookup ®
Phone lookup, ture caller id
Free

Identify and block unwanted spam calls and messages with a global number database. Detect unknown callers and look up number details anonymously. No registration is required for unlimited queries.

Spam call and message blockingUnknown call detectionNumber information lookup
🔧 Utilities
(1.6K)
free with in-app purchases
14
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
🔧 Utilities
(99)
free
15
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Identify callers quickly
Free

Instantly identify unknown callers and block unwanted calls. This app provides lightning-fast phone number lookups, protects against scam calls, and offers advanced spam detection to keep your device free from robocalls. Manage your personal block list and report spam to help the community.

Identify unknown callersBlock specific phone numbersSpam detection and blocking
🔧 Utilities
(99K)
free with in-app purchases
16
Find Caller ID: Reverse Lookup
Find Caller ID: Reverse Lookup
Find Caller ID: Reverse Lookup
Caller id, Phone number lookup
Free

Identify unknown callers and detect spam calls with a global phone number database. Customize caller ID with dynamic colors based on risk level and manage your contacts efficiently. Enjoy anonymous searches without registration.

Phone number searchSpam call detectionCustomizable caller ID colors
🔧 Utilities
(141)
free with in-app purchases
17
Call ID - Call Blocker
Call ID - Call Blocker
Call ID - Call Blocker
Verified Caller, Block Spamers
Free

Identify unknown callers in real-time and block unwanted numbers before they ring. This app uses a local database of known spam numbers and community reports to protect you from robocalls, telemarketers, and scams. Enjoy uninterrupted calls and enhanced privacy.

Live Caller ID for unknown numbersBlock robocalls, telemarketers, and scamsLocal database of 14,000+ spam numbers
🔧 Utilities
(8K)
free with in-app purchases
18
Caller ID & Spam Number Lookup
Caller ID & Spam Number Lookup
Caller ID & Spam Number Lookup
Find Who’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
🔧 Utilities
(1)
freemium
19
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Caller id reverse phone lookup
Free

Identify the risk level of unknown phone numbers from around the world. Avoid spam and fraudulent calls by looking up true names and locations. Protect yourself from scams with real-time updated risk information.

Identify unknown call risk levelLookup true name and locationSearch phone number database
🔧 Utilities
(705)
free with in-app purchases
20
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
🔧 Utilities
(14)
free with in-app purchases

FAQ about Caller Id Lookup Free

What are the best caller id lookup free apps for iPhone?
Number Finder Caller ID :True tops our caller id lookup free apps ranking as of July 2026, with a 4.7-star average from 70K App Store ratings, and it's free to download.
Number Finder Caller ID :True shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 201+ caller id lookup free apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a comprehensive reverse phone lookup service to identify unknown callers. It reveals caller names, locations, and assesses spam/scam threats. Additionally, it offers privacy protection tools, allowing users to see who has searched for their number and opt out of community phone books.
Key features include unlimited reverse phone lookups, real-time caller ID identification, and comprehensive spam detection. Users can also access privacy protection tools, track their search history, and easily opt out of unwanted listings.