Best Callerid Phone Number Lookup Apps

217+ iOS apps curated and reviewed

4.2 avg rating

20 free apps

Updated October 2026

Finding the right callerid phone number lookup apps can be overwhelming with so many options. We've analyzed 217+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Callerid Phone Number Lookup Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Caller-ID	Free	3.7★ (19K)	No	Yes	Oct 2026
2	Number Finder Caller ID :True	Free	4.7★ (70K)	Yes	Yes	Oct 2026
3	Reverse Phone Lookup:Caller ID	Free	4.3★ (18)	No	Yes	May 2026
4	Lookify - Reverse Phone Lookup	Free	5.0★ (1)	No	Yes	Aug 2026
5	NumberBox:CallerID	Free	4.5★ (547)	No	No	Oct 2026
6	CallerSmart: Reverse Lookup	Free	4.6★ (15K)	Yes	Yes	Oct 2026
7	Mr. Number Lookup & Call Block	Free	4.6★ (100K)	No	Yes	Oct 2026
8	Caller ID - Number Finder	Free	1.5★ (4)	Yes	Yes	Oct 2026

Top Picks for Callerid Phone Number Lookup

#1

Caller-ID by Greenflight Venture Corporation

Reverse Phone Lookup

Editor's Choice

3.7😞(19K ratings)

FreeIn-App Purchases

Caller-ID screenshot 1

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Caller-ID screenshot 3

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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

#2

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

Reverse Phone Book Lookup Box

Strong Contender

4.7😞(70K ratings)

FreeAdsIn-App Purchases

Number Finder Caller ID :True screenshot 1

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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

🚀 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
🤖 Suspicious bot-like 5-star reviews

#3

Reverse Phone Lookup:Caller ID by CYBERLOADER LIMITED

Phone Number Lookup

Worth Considering

4.3(18 ratings)

FreeIn-App Purchases

Reverse Phone Lookup:Caller ID screenshot 1

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Identify unknown callers and block unwanted numbers. This utility helps you look up phone number details and report spam to protect your daily communications. Keep your conversations secure and free from interruptions.

More Callerid Phone Number Lookup apps to explore

Lookify - Reverse Phone Lookup

Lookify - Reverse Phone Lookup

Lookify - Reverse Phone Lookup

Caller ID and Number Lookup

Identify unknown callers and protect yourself from scams. This app allows private searches for phone numbers and provides resources to stay informed about threats. Users can also contribute to a community database of spam and scam calls.

Identify unknown callersPrivate phone number searchesScam and threat alerts

free with in-app purchases

NumberBox:CallerID

NumberBox:CallerID

NumberBox:CallerID

Know Your Caller

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

CallerSmart: Reverse Lookup

CallerSmart: Reverse Lookup

CallerSmart: Reverse Lookup

Caller ID & Spam Call Blocker

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

free with in-app purchases

Mr. Number Lookup & Call Block

Mr. Number Lookup & Call Block

Mr. Number Lookup & Call Block

Identify callers quickly

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

free with in-app purchases

Caller ID - Number Finder

Caller ID - Number Finder

Caller ID - Number Finder

Search Caller Name & Number

Instantly identify unknown callers and find phone numbers by name or number. This secure tool protects your privacy and offers a global directory for quick lookups without accessing your contacts.

Search by name or numberSmart caller IDSearch history

free with in-app purchases

Caller True ID & Find Number

Caller True ID & Find Number

Caller True ID & Find Number

Identify Callers, Find Numbers

Identify unknown callers and search phone numbers with a clear interface. Get quick access to caller information and look up numbers to understand who is contacting you. Convenient tools help you manage contacts and review incoming calls easily.

Identify unknown callersSearch phone numbersView caller information

📊 Productivity

free with in-app purchases

Caller ID:Reverse Phone Lookup

Caller ID:Reverse Phone Lookup

Caller ID:Reverse Phone Lookup

Number Book & Scam Shield

Identify unknown callers and block unwanted calls with this powerful number lookup tool. It provides detailed information about phone numbers, flags spam, and offers AI-powered call protection for enhanced security.

Identify unknown callersDetailed phone number informationBlock harassing calls

free with in-app purchases

Reverse Phone Lookup ·

Reverse Phone Lookup ·

Reverse Phone Lookup ·

Number book, caller id

Identify unknown callers and block spam or scam calls. This app provides threat levels for unknown numbers, revealing their true name and location. Search a vast database to avoid annoying calls and protect yourself.

Identify unknown callsBlock spam & scam callsThreat level of unknown numbers

free with in-app purchases

Reverse Phone Lookup

Reverse Phone Lookup

Reverse Phone Lookup

Look Up Numbers and Caller ID

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

free with in-app purchases

Real Caller : Caller id

Real Caller : Caller id

Real Caller : Caller id

Number Lookup - Phone Numbers

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

Reverse Phone Number Lookup

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

WhoU - Reverse Phone Lookup

WhoU - Reverse Phone Lookup

WhoU - Reverse Phone Lookup

Phone number lookup app

Identify unknown callers and texters by performing a reverse phone number lookup. This app searches public databases to reveal line type, carrier, and area information for any number.

Reverse phone number lookupReveal line type and carrierIdentify scammers and telemarketers

free with in-app purchases

Phone Call - Caller ID

Phone Call - Caller ID

Phone Call - Caller ID

Identify unknown callers and block unwanted calls with this powerful tool. It functions as a phone number lookup, spam blocker, and smart dialer, helping you see the true caller ID and region for every incoming call. Over 30 million users trust it to screen their calls.

Instant Caller ID identificationPhone number lookupSpam and unwanted call blocking

Find Caller - Reverse Lookup

Find Caller - Reverse Lookup

Find Caller - Reverse Lookup

Caller ID & Spam Call Blocker

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

free with in-app purchases

Caller ID Lookup & Dialer

Caller ID Lookup & Dialer

Caller ID Lookup & Dialer

Phone Number Reverse Search

Number Lookup: Who is calling?

Number Lookup: Who is calling?

Number Lookup: Who is calling?

Reverse phone number lookup

Identify unknown callers and screen potentially threatening numbers with a vast global database. Quickly find personal details, detect junk calls, and add numbers to your contacts anonymously. Unlimited queries are available without registration.

Query number informationIdentify junk numbersAnonymous search

free with in-app purchases

CallerID: True Number Search

CallerID: True Number Search

CallerID: True Number Search

Reverse Search & Spam Blocker

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.

Real CallerID and name lookupReverse phone number searchSpam call blocking

free with in-app purchases

FAQ about Callerid Phone Number Lookup

What are the best callerid phone number lookup apps for iPhone?

Caller-ID tops our callerid phone number lookup apps ranking as of October 2026, with a 3.7-star average from 19K App Store ratings, and it's free to download.

Are there free callerid phone number lookup apps for iPhone?

Yes — 20 of the top callerid phone number lookup apps we rank are free to download, including Caller-ID and Number Finder Caller ID :True.

Does Caller-ID have ads or in-app purchases?

Caller-ID has no ads and offers in-app purchases, according to its App Store listing as of October 2026.

How many callerid phone number lookup apps are on the App Store?

We track 217+ callerid phone number lookup apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.