Best apps like NumberBook: Who Is Calling?

66+ similar apps compared and reviewed

4.3 avg rating
10 free apps
Updated July 2026

Looking for something like NumberBook? We've analyzed 66+ 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 NumberBook

Truecaller: Premium Caller ID#1

Truecaller: Premium Caller ID by True Software Scandinavia AB

Spam BlockerใƒปPhone Call Filter
Editor's Choice
๐Ÿ”ง Utilities
4.4๐Ÿ˜ž(251K ratings)
FreeAdsIn-App Purchases
#39in 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

  • ๐Ÿš€ Blocks spam calls
  • ๐Ÿ’ก Useful caller ID feature
  • ๐Ÿ‘ Helps identify scammers

Room to Improve

  • ๐Ÿ› Inconsistent performance
  • ๐Ÿ”’ Privacy concerns with data collection
  • ๐Ÿ’ฐ Expensive premium subscription
Number Finder Caller ID :True#2

Number Finder Caller ID :True by Digitalists Interactive Agency Ltd

Spam and Lookup Protection
Strong Contender
๐Ÿ”ง Utilities
4.7๐Ÿ˜ž(70K ratings)
FreeAdsIn-App Purchases
Number Finder Caller ID :True screenshot 1
Number Finder Caller ID :True screenshot 2
Number Finder Caller ID :True screenshot 3

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

  • ๐Ÿš€ Helpful in finding unknown callers
  • ๐Ÿ‘ Provides useful information
  • ๐Ÿ’ก Ability to track and monitor calls

Room to Improve

  • ๐Ÿ› Inaccurate or incomplete information
  • ๐Ÿ’ฐ Expensive subscription fees
  • ๐Ÿ”’ Privacy concerns with required permissions
Number Lookup: Who is calling?#3

Number Lookup: Who is calling? by Data Science Press Limited

Reverse phone number lookup
Worth Considering
๐Ÿ”ง Utilities
3.9๐Ÿ˜ž(478 ratings)
FreeIn-App Purchases
Number Lookup: Who is calling? screenshot 1
Number Lookup: Who is calling? screenshot 2
Number Lookup: Who is calling? screenshot 3
Number Lookup: Who is calling? screenshot 4

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.

What We Love

  • ๐Ÿš€ Provides useful information
  • ๐Ÿ‘ Easy to use
  • ๐Ÿ”’ Helpful for security

Room to Improve

  • ๐Ÿ’ฐ Requires paid subscription
  • ๐Ÿ› Inaccurate or incomplete information
  • ๐Ÿšซ Doesn't work as promised

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4
Number Book : Phone Lookup
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Caller id who is calling
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Identify unknown callers and block unwanted calls from telemarketers, scammers, and spammers. Get real-time caller ID and maintain a personal blacklist for enhanced call protection.

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Number Book - Find Caller ID
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Reverse number lookup & Block
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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
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Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Identify callers quickly
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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
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Reverse Lookup ยฎ
Reverse Lookup ยฎ
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Phone lookup, ture caller id
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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.

Spam call and message blockingUnknown call detectionNumber information lookup
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Real Caller : Caller id
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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.

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Caller id: True number finder
Caller id: True number finder
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Call blocker: Who is calling?
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Identify unknown callers and block spam calls or texts with a vast global contact database. Enhance your phone's dialer and contacts with photos, and seamlessly link your favorite messaging apps for unified communication.

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