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Best Block Unknown Text Apps & Games

221+ iOS apps & games curated and reviewed

4.4 avg rating
19 free apps & games
Updated May 2026

The best block unknown text apps on iPhone average 4.4★ across 221+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Block Unknown Text

Robokiller: Spam Call Blocker#1

Robokiller: Spam Call Blocker by Mosaic S.r.l.

Stop 99% of Robocalls & Texts
Editor's Choice
🔧 Utilities
4.5😐(413K ratings)
FreeAdsIn-App Purchases
#10in Utilities
Robokiller: Spam Call Blocker screenshot 1
Robokiller: Spam Call Blocker screenshot 2
Robokiller: Spam Call Blocker screenshot 3
Robokiller: Spam Call Blocker screenshot 4
Robokiller: Spam Call Blocker screenshot 5
Robokiller: Spam Call Blocker screenshot 6

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.

What We Love

  • 🚀 Blocks spam calls effectively
  • 😂 Entertaining answer bots
  • 🤫 Reduces unwanted call volume
  • 👍 Convenient call screening

Room to Improve

  • 🐛 App issues like resetting, deactivation, and call forwarding problems
  • 🚫 Blocks some legitimate calls
  • 🤖 Concerns about increased spam calls after using the app
Textkiller - Spam Text Blocker#2

Textkiller - Spam Text Blocker by Mosaic S.r.l.

Block Unwanted Messages
Strong Contender
🔧 Utilities
4.3😐(13K ratings)
FreeAdsIn-App Purchases
Textkiller - Spam Text Blocker screenshot 1
Textkiller - Spam Text Blocker screenshot 2
Textkiller - Spam Text Blocker screenshot 3
Textkiller - Spam Text Blocker screenshot 4
Textkiller - Spam Text Blocker screenshot 5
Textkiller - Spam Text Blocker screenshot 6

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!

What We Love

  • 🚀 Stops spam texts
  • 👍 Filters messages effectively
  • 💡 Keyword blocking
  • 🚀 Works well when functioning

Room to Improve

  • 🐛 App not working after updates
  • 🐛 Issues with premium features
  • 🔍 Concerns about privacy and data access
Robo Spam Text & Call Blocker#3

Robo Spam Text & Call Blocker by Murphy Brantley

Block & Filter Message Spammer
Worth Considering
🔧 Utilities
4.3😞(5K ratings)
FreeIn-App Purchases
Robo Spam Text & Call Blocker screenshot 1
Robo Spam Text & Call Blocker screenshot 2
Robo Spam Text & Call Blocker screenshot 3
Robo Spam Text & Call Blocker screenshot 4
Robo Spam Text & Call Blocker screenshot 5
Robo Spam Text & Call Blocker screenshot 6

An innovative text messaging app that efficiently filters out spam messages using advanced algorithms and machine learning. Say goodbye to unwanted texts and experience a clutter-free inbox.

What We Love

  • 🚀 Blocks spam calls effectively
  • 👍 Helpful for reducing unwanted calls
  • 💡 Useful for political donation requests
  • 🔒 Protects against scams

Room to Improve

  • 🐛 Doesn't block all spam calls
  • 👎 Ineffective or doesn't work as advertised
  • 🔍 Difficult to set up or configure

More Block Unknown Text apps to explore

4
SpamSafe: Spam Call Blocker
SpamSafe: Spam Call Blocker
SpamSafe: Spam Call Blocker
Lookup & Block Unknown Numbers
Free

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.

🔧 Utilities
(4.5K)
5
Nomorobo Max Spam Call Blocker
Nomorobo Max Spam Call Blocker
Nomorobo Max Spam Call Blocker
Call Filter & Scam Shield
Free

Block unwanted spam calls with Nomorobo Max Spam Call Blocker. Enjoy a spam-free experience and ensure important calls are never missed. Download now to keep your phone spam-free!

📊 Productivity
(4.9K)
6
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.

🔧 Utilities
(54)
7
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.

🔧 Utilities
(21K)
8
Easy Caller ID
Easy Caller ID
Easy Caller ID
Smart Address Book
Free

Revolutionize your address book with Easy Contacts – the smart solution loved by over 3 million users! Clean up duplicates instantly, enjoy powerful search functionalities, save custom contact groups, and send group texts with ease. Try Easy Contacts today for an organized and efficient contact management experience.

📊 Productivity
(2.7K)
9
Block vs Block
Block vs Block
Block vs Block
Block Battle: 2-Player in iPad
$7.00

A highly engaging puzzle game with 16 different shapes, 4 special items, and a VS mode. Easy to play with attractive graphics and strong computer opponents. Download now to enjoy this updated classic puzzle experience!

🎬 Entertainment
(396)
10
Block Puzzle Jewel World
Block Puzzle Jewel World
Block Puzzle Jewel World
Train Your Brain Block Puzzle
Free

Train your brain with a free, addictive block puzzle game where you drag and drop blocks to clear lines. Enjoy beautiful themes, play offline, and challenge yourself to achieve high scores. Subscribe to VIP for extra benefits.

🎮 Games
(12K)
11
Call Protect Spam Call Blocker
Call Protect Spam Call Blocker
Call Protect Spam Call Blocker
Scam Shield, Caller ID Look Up
Free

Block spam calls, identify callers, filter junk messages, and enhance Wi-Fi security with this app. Take control of your communication and privacy. Try it now for a safer mobile experience!

📊 Productivity
(2.8K)
12
Make It Big
Make It Big
Make It Big
Show large text on your screen
Free

Create massive text on your screen by simply typing a message into the app. Your text will be enlarged to occupy the entire screen instantly. Try it out now!

🔧 Utilities
(5.1K)
13
Copy Text On Screen
Copy Text On Screen
Copy Text On Screen
Extract Text, Copy & Translate
Free

Extract text from images or screenshots with ease using this app. Simply capture the text on your screen and copy it effortlessly. Say goodbye to manual typing!

📊 Productivity
(4.8K)
14
Block Odyssey
Block Odyssey
Block Odyssey
The Odyssey of Block Puzzles.
Free

​​Embark on a challenging block-puzzle journey through intricately designed levels in a game that tests your strategic skills. Clear blocks to collect treasures, reach mileage goals, or pursue high scores across different modes. Join the Odyssey of Block Puzzles now!

🎮 Games
(3.9K)
15
Spam Call and Text Blocker
Spam Call and Text Blocker
Spam Call and Text Blocker
Block Scam and Filter Spammers
Free

Filter out spam texts and calls with our efficient blocker app. Say goodbye to unwanted messages and calls today!

🔧 Utilities
(48)
16
BlockSite: Block Apps & Focus
BlockSite: Block Apps & Focus
BlockSite: Block Apps & Focus
Focus & Limit Screen Time
Free

BlockSite is a powerful app that helps you boost productivity by blocking distracting apps and websites. Take control of your digital habits and stay focused with BlockSite.

📊 Productivity
(6K)
17
BlockerX:Adult Content Blocker
BlockerX:Adult Content Blocker
BlockerX:Adult Content Blocker
Block Sites & Apps, Quit Porn
Free

BlockerX is an application designed to help users restrict access to adult content on their devices, offering a range of features such as website blocking, app locking, and content filtering. Take control of your online experience with BlockerX and enjoy a safer, more focused browsing environment.

📊 Productivity
(924)
18
Call & Text Blocker・Block Spam
Call & Text Blocker・Block Spam
Call & Text Blocker・Block Spam
Stop scam & annoying robocalls
Free

Experience seamless and personalized travel planning with our innovative application. Plan your trips, book accommodations, discover local experiences, and create unforgettable memories, all in one place. Start exploring today!

🔧 Utilities
(49)
19
SpamSMS - Block Junk Messages
SpamSMS - Block Junk Messages
SpamSMS - Block Junk Messages
Block SPAM SMS & move to JUNK
Free

This application helps filter out unwanted SMS and MMS messages using advanced technology, allowing you to focus on important messages. It also offers customizable rules, a clean interface, and offline functionality, making it easy to block junk messages and protect your privacy.

🔧 Utilities
(121)
20
Typorama: Text on Photo Editor
Typorama: Text on Photo Editor
Typorama: Text on Photo Editor
Typography Art & Poster Maker
Free

Create stunning typographic designs with ease using Typorama, a text on photo editor app. Enhance your photos with beautiful text overlays and share your creations with the world.

📷 Photo & Video
(115K)

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