Best Phone Book Reverse Apps

205+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Out of 205+ phone book reverse apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Phone Book Reverse

Reverse Lookup#1

Reverse Lookup by Orave Technologies

Phone number lookup pro.
Editor's Choice
🔍 Reference
4.7😊(146K ratings)
FreeAds
#91in Reference
Reverse Lookup screenshot 1
Reverse Lookup screenshot 2
Reverse Lookup screenshot 3
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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
Reverse Phone Lookup#2

Reverse Phone Lookup by Whitepages.com

Look Up Numbers and Caller ID
Strong Contender
🔧 Utilities
4.6😞(11K ratings)
FreeIn-App Purchases
Reverse Phone Lookup screenshot 1
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Reverse Phone Lookup screenshot 6

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.

What We Love

  • 🔒 Accurate phone number lookup
  • ⏱️ Quick response times
  • 🔍 Helpful for identifying spam calls

Room to Improve

  • 🚫 Inaccurate or incomplete information
  • 💰 Paywall for basic features
  • 🐛 Frequent crashes and bugs
Reverse Lookup ®#3

Reverse Lookup ® by MOBIINVISION LIMITED

Phone lookup, ture caller id
Worth Considering
🔧 Utilities
4.3😞(1.6K ratings)
FreeIn-App Purchases
Reverse Lookup ® screenshot 1
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Reverse Lookup ® screenshot 5

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.

What We Love

  • 🚀 Accurate number lookup results
  • 🔒 Useful blocking feature
  • 👍 Easy to use

Room to Improve

  • 🐛 Doesn't work as advertised
  • 💰 Completely paid, no free trial
  • 🚫 Doesn't provide expected information

More Phone Book Reverse apps to explore

4
WhoU - Reverse Phone Lookup
WhoU - Reverse Phone Lookup
WhoU - Reverse Phone Lookup
Phone number lookup app
Free

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
🔧 Utilities
(1)
free with in-app purchases
5
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
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
Whitepages: People Search
Whitepages: People Search
Whitepages: People Search
Phone Number & Address Finder
Free

Access accurate contact information, identify unknown callers, and find property details. This app offers a comprehensive directory and reverse lookup service for people and businesses. It also provides neighborhood market reports and tools to manage your contacts.

People SearchReverse Phone LookupReverse Email Lookup
🔍 Reference
(162K)
free with in-app purchases
8
Reverse Phone Lookup ·
Reverse Phone Lookup ·
Reverse Phone Lookup ·
Number book, caller id
Free

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
🔧 Utilities
(325)
free with in-app purchases
9
2nd Line - Second phone number
2nd Line - Second phone number
2nd Line - Second phone number
Calls text.s from 2.nd number
Free

Get a second phone number for calls and texts without needing a new SIM or device. This app provides real US, Canada, and Finland numbers for privacy, business, or personal use. Enjoy features like voicemail, call recording, and international calling.

Second phone numberUS, Canada, Finland numbersCall and text
💼 Business
(16K)
free with in-app purchases
10
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
🔧 Utilities
(1.9K)
ad-supported
11
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
12
Caller-ID
Caller-ID
Caller-ID
Reverse Phone Lookup
Free

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.

Global reverse phone lookupGeolocation by area codeSocial media directory
🔍 Reference
(19K)
free with in-app purchases
13
CallGenius
CallGenius
CallGenius
Reverse Phone Lookup
Free

Instantly identify unknown callers and retrieve contact details by entering any phone number. Access a global database and utilize an AI assistant for further information. Manage your subscription easily through account settings.

Reverse phone lookupIdentify caller namesRetrieve contact details
🔧 Utilities
(27)
free with in-app purchases
14
Number Book - Find Caller ID
Number Book - Find Caller ID
Number Book - Find Caller ID
Reverse number lookup & Block
Free

Identify unknown callers and block spam calls and SMS with custom filtering rules. Perform reverse phone number lookups to get information on any number. Protect yourself from unwanted communication.

Unknown caller identificationReverse phone number lookupsSMS filtering
🔧 Utilities
(336)
free with in-app purchases
15
Intelius Search
Intelius Search
Intelius Search
Intelius Search
Free

Access public records instantly with this app. Search by address, phone, or email to uncover details like owner information, location history, and property data. Get the information you need without extensive online searching.

Public records accessSearch by address, phone, or emailReverse phone number lookup
🔍 Reference
(10K)
free with in-app purchases
16
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
17
SmartLine Second Phone Number
SmartLine Second Phone Number
SmartLine Second Phone Number
2nd phone number for business
Free

Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.

Dedicated business phone numberProfessional call quality (not VoIP)Spam call filtering
💼 Business
(44K)
subscription
18
Reverse Phone Lookup`
Reverse Phone Lookup`
Reverse Phone Lookup`
Caller id, Phone Number Lookup
Free

This utility app provides detailed information about phone numbers, including location and operator. It also offers features like address book backup, contact management, and harassment call interception using blacklist technology.

Phone number information queryAddress book backupPhone book management
🔧 Utilities
(41)
free with in-app purchases
19
SLYNUMBER
SLYNUMBER
SLYNUMBER
Your second phone number.
Free

Get a real, private mobile number for calls and texts without a carrier contract. Protect your personal information and separate your communications for business, dating, or travel.

Real mobile numbers, not VoIPUnlimited inbound calls & texts100 outbound credits monthly
🌐 Social Networking
(2.6K)
subscription
20
Phone Number Lookup: Reverse
Phone Number Lookup: Reverse
Phone Number Lookup: Reverse
Phone Number Tracker Location
Free

Identify unknown callers and gather information about phone numbers. This app offers reverse phone lookup, caller ID, and the ability to find ISD codes and IP addresses. It helps you understand who is calling and provides details before you answer.

Reverse phone lookupMobile number trackerFind ISD codes
🔍 Reference
(177)
free with in-app purchases