Best Caller Id For Iphone Free Unknown Apps

220+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated July 2026

If you already know Caller, this is the deeper bench. 220+ caller id for iphone free unknown apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.

Compare top Caller Id For Iphone Free Unknown Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Caller-IDCaller-IDFree3.7★ (19K)NoYesAug 2026
2Real Caller : Caller idReal Caller : Caller idFree4.1★ (3.3K)YesYesAug 2026
3CallerID: True Number SearchCallerID: True Number SearchFree4.2★ (62)NoYesAug 2026
4Caller ID - Spam Call BlockerCaller ID - Spam Call BlockerFree4.2★ (186)YesYesAug 2026
5Traceback: Reveal No Caller IDTraceback: Reveal No Caller IDFree3.0★ (2)YesYesAug 2026
6iCaughtYou: Reveal Caller IDiCaughtYou: Reveal Caller IDFree4.2★ (90)NoYesAug 2026
7True CallerID: Spam BlockerTrue CallerID: Spam BlockerFree4.3★ (256)NoYesAug 2026
8CallApp - Caller ID & BlockCallApp - Caller ID & BlockFree4.7★ (554)YesYesAug 2026

Top Picks for Caller Id For Iphone Free Unknown

Caller-ID#1

Caller-ID by Greenflight Venture Corporation

Reverse Phone Lookup
Editor's Choice
🔍 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
Real Caller : Caller id#2

Real Caller : Caller id by Real Caller

Number Lookup - Phone Numbers
Strong Contender
🔧 Utilities
4.1😞(3.3K ratings)
FreeAdsIn-App Purchases
Real Caller : Caller id screenshot 1
Real Caller : Caller id screenshot 2
Real Caller : Caller id screenshot 3
Real Caller : Caller id screenshot 4
Real Caller : Caller id screenshot 5

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.

What We Love

  • 💡 Efficient number lookup
  • 👍 Helpful app for finding contact info
  • 🚀 Fast and accurate search results

Room to Improve

  • 🐛 App crashes and freezes after updates
  • 🔒 Privacy concerns with data sharing
  • 💰 Subscription model is frustrating
CallerID: True Number Search#3

CallerID: True Number Search by Stephen Kuyper

Identify unknown calls & spam
Worth Considering
🔧 Utilities
4.2(62 ratings)
FreeIn-App Purchases
CallerID: True Number Search screenshot 1
CallerID: True Number Search screenshot 2
CallerID: True Number Search screenshot 3
CallerID: True Number Search screenshot 4
CallerID: True Number Search screenshot 5
CallerID: True Number Search screenshot 6

Instantly identify unknown callers and block spam, scams, and robocalls. This app offers reverse number lookup, SMS spam protection, and customizable blacklists for enhanced phone security and privacy.

More Caller Id For Iphone Free Unknown apps to explore

4
Caller ID - Spam Call Blocker
Caller ID - Spam Call Blocker
Caller ID - Spam Call Blocker
Identify unknown calls & spam
Free

Instantly identify unknown callers and block unwanted spam calls with advanced real-time identification and community-powered protection. Take control of your calls and enjoy a safer communication experience.

Real-time caller identificationAutomatic spam call blockingCommunity-powered protection
💼 Business
(186)
free with in-app purchases
5
Traceback: Reveal No Caller ID
Traceback: Reveal No Caller ID
Traceback: Reveal No Caller ID
Unmask Private Calls Instantly
Free

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.

Instant caller identity unmaskingReal-time push notificationsComplete call logs and history
💼 Business
(2)
free with in-app purchases
6
iCaughtYou: Reveal Caller ID
iCaughtYou: Reveal Caller ID
iCaughtYou: Reveal Caller ID
See who’s behind blocked calls
Free

Instantly identify unknown and private callers to protect your privacy and peace of mind. This app reveals hidden numbers, records important calls, and blocks unwanted contacts, all within a single, easy-to-use interface.

Reveal No Caller ID, Private, and Unknown callersRecord incoming and outgoing callsSee registered caller names
🔧 Utilities
(90)
free with in-app purchases
7
True CallerID: Spam Blocker
True CallerID: Spam Blocker
True CallerID: Spam Blocker
Identify unknown calls & spam
Free

Identify unknown callers and block unwanted calls automatically. This app uses smart spam detection and AI to protect you from robocalls, telemarketers, and scams. Take control of your phone and see caller information before you answer.

Instant Caller IDSmart Call BlockerSpam Detection Alerts
🔧 Utilities
(256)
free with in-app purchases
8
CallApp - Caller ID & Block
CallApp - Caller ID & Block
CallApp - Caller ID & Block
Unknown calls & spam calls
Free

Identify unknown callers and block unwanted spam calls with this comprehensive caller ID and call blocker app. It also features a smart dialer, SMS protection, and call reminders to manage your communications effectively.

Advanced Caller IDSpam and Fraud Call BlockingSmart Dialer
🔧 Utilities
(554)
free with in-app purchases
9
Number Finder Caller ID :True
Number Finder Caller ID :True
Number Finder Caller ID :True
Spam and Lookup Protection
Free

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.

Unlimited reverse phone lookupsReal-time caller ID identificationComprehensive spam detection
🔧 Utilities
(70K)
free with in-app purchases
10
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
11
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
12
Easy Caller ID
Easy Caller ID
Easy Caller ID
Spam Blocker for Unknown Calls
Free

Identify unknown callers and block spam calls with real-time information displayed on your native call screen. Instantly look up any phone number to find caller details and enrich your address book. Your privacy is protected, and all features are completely free.

Instant caller identificationReal-time call screen displayPowerful spam call blocking
📊 Productivity
(2.7K)
free
13
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
14
ViewCaller: Caller ID
ViewCaller: Caller ID
ViewCaller: Caller ID
Identify unknown calls & spam
Free

Identify unknown callers and block unwanted spam calls with real-time detection. Access a global database to screen calls and manage your communication for enhanced privacy and security.

Real-time spam detectionGlobal community insightCustomizable blocking
🔧 Utilities
(762)
free with in-app purchases
15
ContactFinder - Caller ID
ContactFinder - Caller ID
ContactFinder - Caller ID
Identify spam & unknown calls
Free

Instantly identify unknown callers and block unwanted numbers in real-time. Access a vast global database to detect spam and fraud, keeping you safe and informed.

Real-time caller identificationSpam and fraud alertsExtensive global phone number database
🔧 Utilities
(1)
free with in-app purchases
16
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
🔧 Utilities
(4)
free with in-app purchases
17
Show Caller ID & Number Search
Show Caller ID & Number Search
Show Caller ID & Number Search
Spam Call Blocker・Phone Lookup
Free

Identify unknown callers and block unwanted spam calls with this app. It provides real-time caller ID, a global spam database, and allows you to search for caller details. Take control of your phone calls and stay protected from scams.

Caller ID LookupSpam Call BlockerFind Name & Location
🔧 Utilities
(196)
free with in-app purchases
18
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam & Scam Phone Call Blocker
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
(252K)
free with in-app purchases
19
True: Call ID &Number Search
True: Call ID &Number Search
True: Call ID &Number Search
Whos Calling & Photos
Free

Identify unknown callers and block unwanted spam calls with a vast, community-driven database. Get real-time caller information, perform reverse phone lookups, and manage your call history with smart search. Take control of your communication and ensure privacy and security.

Identify caller IDBlock spam callsReverse phone lookup
🔧 Utilities
(3.7K)
ad-supported
20
Infgety: CallerID & NumberBook
Infgety: CallerID & NumberBook
Infgety: CallerID & NumberBook
Identify unknown callers fast
Free

Identify unknown callers instantly and protect yourself from spam and scams. This app provides detailed profiles for phone numbers, allowing you to see who is calling and how others have saved their number. Enhance your call security and connect with confidence.

Identify unknown callersSearch by number or nameSpam and scam protection
🔧 Utilities
(277)
free with in-app purchases

FAQ about Caller Id For Iphone Free Unknown

What are the best caller id for iphone free unknown apps for iPhone?
Caller-ID tops our caller id for iphone free unknown apps ranking as of July 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 July 2026.
We track 220+ caller id for iphone free unknown apps on the iOS App Store as of July 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.