Best Caller Id Free App

245+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Truecaller is the household name in caller id free app, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Caller Id Free App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (252K)YesYesAug 2026
2Caller-IDCaller-IDFree3.7★ (19K)NoYesAug 2026
3CallAppCallAppFree4.5★ (663)YesYesAug 2026
4Reverse LookupReverse LookupFree4.7★ (153K)YesNoAug 2026
5Real Caller : Caller idReal Caller : Caller idFree4.1★ (3.3K)YesYesAug 2026
6True: Call ID &Number SearchTrue: Call ID &Number SearchFree4.3★ (3.8K)YesYesAug 2026
7Caller ID :True Name Caller IDCaller ID :True Name Caller IDFree4.3★ (1.1K)YesYesAug 2026
8NumberBox:CallerIDNumberBox:CallerIDFree4.5★ (465)NoNoAug 2026

Top Picks for Caller Id Free App

Truecaller: Premium Caller ID#1

Truecaller: Premium Caller ID by True Software Scandinavia AB

Spam & Scam Phone Call Blocker
Editor's Choice
🔧 Utilities
4.4😞(252K ratings)
FreeAdsIn-App Purchases
#41in Utilities
Truecaller: Premium Caller ID screenshot 1
Truecaller: Premium Caller ID screenshot 2
Truecaller: Premium Caller ID screenshot 3
Truecaller: Premium Caller ID screenshot 4
Truecaller: Premium Caller ID screenshot 5
Truecaller: Premium Caller ID screenshot 6

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.

What We Love

  • 🚀 Blocks spam calls
  • 💡 Useful caller ID feature
  • 👍 Helps identify scammers

Room to Improve

  • 🐛 Inconsistent performance
  • 🔒 Privacy concerns with data collection
  • 💰 Expensive premium subscription
Caller-ID#2

Caller-ID by Greenflight Venture Corporation

Reverse Phone Lookup
Strong Contender
🔍 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
CallApp#3

CallApp by CallApp

Caller ID & Spam Call Blocker
Worth Considering
🔧 Utilities
4.5(663 ratings)
FreeAdsIn-App Purchases
CallApp screenshot 1
CallApp screenshot 2
CallApp screenshot 3
CallApp screenshot 4
CallApp screenshot 5
CallApp screenshot 6

Identify unknown callers and block unwanted calls with an advanced caller ID. Access a global database of billions of numbers to know who is calling before you answer. Protect your privacy and security with this powerful call management tool.

More Caller Id Free App apps to explore

4
Reverse Lookup
Reverse Lookup
Reverse Lookup
Phone number lookup pro.
Free

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.

Find information on phone numbersCheck spam likelinessCopy/paste numbers from call log
🔍 Reference
(153K)
ad-supported
5
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
6
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
(3.8K)
ad-supported
7
Caller ID :True Name Caller ID
Caller ID :True Name Caller ID
Caller ID :True Name Caller ID
Identify Calls Name & Photo
Free

Identify unknown callers with true names and regions. Block spam, telemarketing, and unwanted calls. Manage calls with a smart dialer and search any number. Backup and restore contacts easily.

Instant Caller IDCall BlockerSmart Phone Dialer
🌐 Social Networking
(1.1K)
free with in-app purchases
8
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
9
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
10
Number Finder Caller ID :True
Number Finder Caller ID :True
Number Finder Caller ID :True
Reverse Phone Book Lookup Box
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
11
CallerIDBlock
CallerIDBlock
CallerIDBlock
by Balvant Manvar
Free
🌟 Lifestyle
(0)
12
Phone
Phone
Phone
by Apple
Free

This app consolidates all your calling needs, including standard phone calls, FaceTime audio, and video calls. It offers advanced features like voicemail transcription, call recording, and intelligent call screening to manage your communications efficiently.

Unified calls (phone, FaceTime audio/video)Voicemail transcription and summariesLive call recording
🔧 Utilities
(8.5K)
free
13
Caller ID Lookup & Dialer
Caller ID Lookup & Dialer
Caller ID Lookup & Dialer
Phone Number Reverse Search
Free
🔧 Utilities
(0)
14
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
Control Who Calls You & Block
Free

Unmask blocked and unknown callers, stop spam, and protect your privacy. Get caller ID for masked numbers, record calls, and receive voicemails as text. This app provides a solution for unwanted and harassing calls.

Reveal masked caller IDsBlock spam and telemarketersRecord incoming calls
💼 Business
(26K)
free with in-app purchases
15
Showcaller Caller ID Block
Showcaller Caller ID Block
Showcaller Caller ID Block
by Tumada Anushaaben
Free
🔧 Utilities
(0)
16
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
17
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
18
Who Calls PIus
Who Calls PIus
Who Calls PIus
by Kapilbhai Dhodi
Free

This utility app provides detailed caller information, including personal details, call history, and location data. Users can add, share, and view this information to better understand their contacts.

Add caller informationShare caller detailsView caller profiles
🔧 Utilities
(1)
ad-supported
19
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
(29)
free with in-app purchases
20
ExtraLine: New Second Number
ExtraLine: New Second Number
ExtraLine: New Second Number
Extra Line Second Phone Number
Free
💼 Business
(0)

FAQ about Caller Id Free App

What is the best caller id free app for iPhone?
Truecaller: Premium Caller ID tops our caller id free app ranking as of August 2026, with a 4.4-star average from 252K App Store ratings, and it's free to download.
Truecaller: Premium Caller ID shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ caller id free app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Truecaller helps you identify unknown callers and block spam calls or SMS. It uses AI pattern analytics and community-based spam classifications to ensure the safety and security of your communication. You can also search for unknown numbers directly within the app.
Key features include automatic identification of spam, fraud, and robocalls before you pick up, the ability to view and search previously identified calls, and a powerful spam call blocker. The Truecaller Assistant offers AI-powered call screening to identify callers and their reasons for calling.