Best Unknown Numbers alternatives: apps like Unknown Numbers

10+ similar apps compared and reviewed

3.4 avg rating
10 free apps
Updated November 2026

Looking for something like Unknown Numbers? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Unknown Numbers

Reverse Lookup - Phone Search#1

Reverse Lookup - Phone Search by Manohar Varu

Find Phone Number Location
Editor's Choice
🔧 Utilities
1.0(1 ratings)
FreeAdsIn-App Purchases
Reverse Lookup - Phone Search screenshot 1
Reverse Lookup - Phone Search screenshot 2
Reverse Lookup - Phone Search screenshot 3
Reverse Lookup - Phone Search screenshot 4
Reverse Lookup - Phone Search screenshot 5
Reverse Lookup - Phone Search screenshot 6

Identify unknown phone numbers and retrieve details like name, SIM ID, and location. Verify caller identities, check how contacts are saved, and access international dialing codes. Take control of your phone interactions with this advanced lookup tool.

Find by phone number#2

Find by phone number by Sergey Astakhov

Search numbers in address book
Strong Contender
🔧 Utilities
2.8😞(32 ratings)
FreeAdsIn-App Purchases
Find by phone number screenshot 1
Find by phone number screenshot 2
Find by phone number screenshot 3

Easily find contacts in your address book by searching for phone numbers. Quickly identify unknown callers or discover number combinations associated with your friends' contacts. The app allows for flexible searching by matching digits anywhere or by the last digits of a number.

What We Love

  • 🚀 Helps find contacts by number
  • 👍 Does what it claims
  • 🚀 Fast and accurate
  • 👍 Useful for missed calls

Room to Improve

  • 🐛 Only searches contacts, not external sources
  • 🐛 Crashes or doesn't work for some users
  • 🔋 Ads negatively impact user experience
  • 🐛 Limited functionality, doesn't do much beyond contact lookup
Caller ID & Reverse Lookup#3

Caller ID & Reverse Lookup by Yurii Piechkurov

Find Number - Call Identifier
Worth Considering
🔧 Utilities
4.6(14 ratings)
FreeIn-App Purchases
Caller ID & Reverse Lookup screenshot 1
Caller ID & Reverse Lookup screenshot 2
Caller ID & Reverse Lookup screenshot 3
Caller ID & Reverse Lookup screenshot 4
Caller ID & Reverse Lookup screenshot 5
Caller ID & Reverse Lookup screenshot 6

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.

More apps like Unknown Numbers

4
NumberBook: Who Is Calling?
NumberBook: Who Is Calling?
NumberBook: Who Is Calling?
Phone Book & Lookup
Free

Instantly identify unknown callers and protect yourself from scams with a vast global database. Perform reverse phone lookups to discover caller identity, location, and user-reported categories like spam or trustworthy. Block unwanted numbers with a personalized blacklist.

Unknown call identificationReverse phone lookupSpam and scam protection
🔧 Utilities
(6)
subscription
5
Phone Number Lookup & info
Phone Number Lookup & info
Phone Number Lookup & info
Find number & IP Info
Free

This utility app helps you manage contacts, find international and domestic dialing codes, and view general IP information. It offers a user-friendly interface for staying organized and informed about your contacts and calls.

Contact managementISD code finderSTD code lookup
🔧 Utilities
(1)
free with in-app purchases
6
Mobile Number Caller Search
Mobile Number Caller Search
Mobile Number Caller Search
SIM info, Call block, location
Free

Track friends and family in real-time, view their last known location, and get operator and network details for any mobile number worldwide. Access extensive country databases and trace numbers on 3D Google Maps.

Real-time friend and family trackingOperator and network detailsWorldwide mobile number lookup
🔧 Utilities
(8)
free with in-app purchases
7
NumBuster. Real Name Caller ID
NumBuster. Real Name Caller ID
NumBuster. Real Name Caller ID
Who is calling? Block spam sms
Free

Identify unknown callers and block unwanted calls and SMS messages. Access an offline database of spammers and scammers, and leverage community knowledge to see how others have labeled numbers. Verify your number for full access to features like seeing who checked your number.

Real caller name identificationOffline database of scammers/spammersCall and SMS blocking
🔧 Utilities
(417)
free with in-app purchases
8
Number Finder: Who is calling?
Number Finder: Who is calling?
Number Finder: Who is calling?
Unlock Details: Caller ID Info
Free

Identify unknown callers instantly with this app. It reveals caller names, addresses, and photos, simplifying the process of recognizing incoming calls. Enjoy free reverse phone lookups and optional premium searches for deeper insights.

Caller identificationUnknown number lookupCaller name, address, photo display
🔧 Utilities
(44)
free with in-app purchases
9
UpCall
UpCall
UpCall
UpCall - Unknown Caller ID
Free

Identify unknown callers and access a directory of unsaved numbers. Personalize your calls with custom tones, notes, and stickers. Block spam and manage your availability with a do-not-disturb feature.

Unknown caller identificationSearch and call unsaved numbersMark and get alerted for spam calls
🔧 Utilities
(89)
ad-supported
10
Track Caller Location
Track Caller Location
Track Caller Location
SIM Location & Provider Info
Free

Identify unknown callers by searching mobile numbers, STD, and ISD codes. It displays the caller's registered location, service provider, and city/state information, with offline capabilities. This tool helps find details about contacts and numbers.

Search and track mobile numbersOffline lookup for STD and ISD codesDisplay caller location and service provider
🔧 Utilities
(5)
free with in-app purchases