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Best Block Calls Unknown Apps

203+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our block calls unknown list covers 203+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Block Calls Unknown

TrapCall: Reveal No Caller ID#1

TrapCall: Reveal No Caller ID by Mosaic S.r.l.

Control Who Calls You & Block
Editor's Choice
πŸ’Ό Business
4.2😞(25K ratings)
FreeAdsIn-App Purchases
#30in Business
TrapCall: Reveal No Caller ID screenshot 1
TrapCall: Reveal No Caller ID screenshot 2
TrapCall: Reveal No Caller ID screenshot 3
TrapCall: Reveal No Caller ID screenshot 4
TrapCall: Reveal No Caller ID screenshot 5
TrapCall: Reveal No Caller ID screenshot 6

Take control of your incoming calls with an application that reveals unknown numbers and blocks unwanted callers. Download now to put an end to anonymous calls and stay in charge of your phone.

What We Love

  • πŸ”’ Effective in unmasking blocked numbers
  • πŸš€ Able to record and transcribe calls
  • πŸ‘ Helpful in gathering evidence for legal issues

Room to Improve

  • πŸ› Inaccurate caller ID information
  • πŸ”’ Difficult to fully deactivate and remove from device
  • πŸ”‹ Continued call forwarding even after cancellation
Call Blocker#2

Call Blocker by DEEPDY LTD

Identify & Block spam calls
Strong Contender
πŸ”§ Utilities
4.5😐(1.2K ratings)
FreeAdsIn-App Purchases
Call Blocker screenshot 1
Call Blocker screenshot 2
Call Blocker screenshot 3
Call Blocker screenshot 4
Call Blocker screenshot 5
Call Blocker screenshot 6

What We Love

  • πŸš€ Effective call blocker
  • πŸ‘ Easy to use
  • πŸ”’ Blocks spam and scam calls
  • πŸ’‘ Useful caller ID and lookup features

Room to Improve

  • πŸ› Inconsistent performance, some calls still get through
  • πŸ” Incomplete database of known scammers
  • πŸ’° Paid version required for full functionality
SpamSafe: Spam Call Blocker#3

SpamSafe: Spam Call Blocker by PLEKMIN TRADE SL

Lookup & Block Unknown Numbers
Worth Considering
πŸ”§ Utilities
4.5😞(4.6K ratings)
FreeAdsIn-App Purchases
SpamSafe: Spam Call Blocker screenshot 1
SpamSafe: Spam Call Blocker screenshot 2
SpamSafe: Spam Call Blocker screenshot 3
SpamSafe: Spam Call Blocker screenshot 4
SpamSafe: Spam Call Blocker screenshot 5

The application is a spam call blocker that helps users take control of their phone communication. It allows users to identify callers, filter out unwanted spam, and access detailed information on any number, ensuring seamless and secure communication. With its comprehensive features, the app aims to protect users from annoying robocalls, persistent telemarketers, and scammers, giving them back their peace of mind.

What We Love

  • πŸš€ No more spam calls

Room to Improve

  • πŸ’Έ Paid service but not free as advertised
  • πŸ” Ineffective at blocking spam
  • 🀬 Deceptive marketing tactics

More Block Calls Unknown apps to explore

4
Call ID - Call Blocker
Call ID - Call Blocker
Call ID - Call Blocker
Verified Caller, Block Spamers
Free
πŸ”§ Utilities
(7.8K)
5
Hiya: Spam Blocker
Hiya: Spam Blocker
Hiya: Spam Blocker
Personal Call Screener
Free

Block spam calls and messages effortlessly with our cutting-edge application. Say goodbye to nuisance calls for good – download now and reclaim your peace of mind.

πŸ”§ Utilities
(237K)
6
Robokiller: Spam Call Blocker
Robokiller: Spam Call Blocker
Robokiller: Spam Call Blocker
Stop 99% of Robocalls & Texts
Free

This application effectively blocks spam calls and robocalls to help users avoid unwanted interruptions, allowing for a more peaceful and uninterrupted phone experience. Take control of your calls with this powerful spam call blocker.

πŸ”§ Utilities
(413K)
7
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Identify callers quickly
Free

This application allows users to identify and block spam calls, search for unknown numbers, and manage their contacts efficiently. Stay protected from unwanted calls and take control of your phone with this all-in-one solution.

πŸ”§ Utilities
(99K)
8
Textkiller - Spam Text Blocker
Textkiller - Spam Text Blocker
Textkiller - Spam Text Blocker
Block Unwanted Messages
Free

Block unwanted spam texts with Textkiller, the innovative app that eliminates 99% of spam messages and protects you from phone scams. Enjoy customizable text blocking and stay spam-text-free with Textkiller. Try it free for 7 days and take control of your texting experience!

πŸ”§ Utilities
(13K)
9
TraceID: Unmask & Block Calls
TraceID: Unmask & Block Calls
TraceID: Unmask & Block Calls
Reveal Unknown Phone Numbers
Free

This application turns your phone into a fortress against unwanted calls and texts with real-time spam protection, AI-driven audio fingerprinting, and a global spam radar. It helps you take back control of your phone by blocking robocalls, revealing hidden callers, and filtering out spam texts, with features like custom allow and block lists and community reporting.

πŸ’Ό Business
(3)
10
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Block Unknown Caller ID Scams
Free

Screen unknown calls and receive only important ones with RoboShield AI-powered Call Assistant. Identify callers and filter spam, configure call preferences, and enjoy a spam-free voicemail inbox. Stay protected from unwanted calls and texts, with advanced caller ID features and SMS message filtering. Experience peace of mind with Robo Shield Spam Call Blocker.

πŸ”§ Utilities
(54)
11
Call Control: #1 Call Blocker
Call Control: #1 Call Blocker
Call Control: #1 Call Blocker
Block Spam Calls & Robo Calls
Free

An app that helps you manage incoming calls by blocking spam and identifying unknown numbers. Take control of your phone calls with this powerful tool. Download now to stop unwanted calls and stay organized.

πŸ”§ Utilities
(6.4K)
12
Spam Call Blocker - Protect
Spam Call Blocker - Protect
Spam Call Blocker - Protect
Block Unknown Callers－Contacts
Free

Block unwanted calls and texts with this powerful spam blocker app. Enjoy caller ID personalization, SMS filtering, and real-time spam call identification. Stay protected with Anti Spam Call now!

πŸ”§ Utilities
(1.9K)
13
CallApp - Caller ID & Block
CallApp - Caller ID & Block
CallApp - Caller ID & Block
Unknown calls & spam calls
Free
πŸ”§ Utilities
(403)
14
Phone ID: Spam Call Block App
Phone ID: Spam Call Block App
Phone ID: Spam Call Block App
Unknown Number & Text Blocker
Free

A powerful app that blocks spam calls and identifies unknown numbers to help you avoid unwanted disruptions. Download now to enjoy a hassle-free calling experience.

πŸ“Š Productivity
(99)
15
Caller App : Caller ID & Block
Caller App : Caller ID & Block
Caller App : Caller ID & Block
Identify unknown calls & spam
Free

Get instant caller identification and spam call blocking with this powerful application. Enhance your phone experience and stay protected from unwanted calls. Download now for a seamless communication experience.

πŸ”§ Utilities
(267)
16
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam Blocker・Phone Call Filter
Free

Identify and block spam calls, search for unknown numbers, and utilize AI-powered call screening and recording features with this app. Enhance your phone call experience and safeguard your communication effortlessly. Spot annoying spam calls now!

πŸ”§ Utilities
(251K)
17
Getcontact
Getcontact
Getcontact
Caller ID & Spam Blocker
Free

Manage your calls more efficiently with this app that helps identify unknown numbers, block spam calls, and organize your contacts easily. Stay in control of your communication with just a few taps. Download now to simplify your call management experience.

πŸ”§ Utilities
(59K)
18
True CallerID: Spam Blocker
True CallerID: Spam Blocker
True CallerID: Spam Blocker
Identify unknown calls & spam
Free

This application helps identify unknown callers, block robocalls, and stop spam calls automatically with advanced features like smart spam detection, real-time caller lookup, and AI-powered scam call blocking. Download now and take back control of your phone by identifying who's calling and blocking unwanted numbers.

πŸ”§ Utilities
(184)
19
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Call Filter & Scam Shield
Free

Block unwanted robocalls and spam calls with our innovative call filter app. Take back control of your phone and enjoy a peaceful calling experience. Download now to stop annoying calls for good.

πŸ”§ Utilities
(21K)
20
Caller ID - Spam Call Blocker
Caller ID - Spam Call Blocker
Caller ID - Spam Call Blocker
Identify unknown calls & spam
Free

A smart app that identifies and blocks spam calls, providing users with detailed Caller ID information. Protect your privacy and avoid unwanted interruptions with this essential tool.

πŸ’Ό Business
(127)

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