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Best Spam Filter SMS Apps

209+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated May 2026

The best spam filter sms apps on iPhone average 4.2★ across 209+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Spam Filter SMS

SpamHound SMS Spam Filter#1

SpamHound SMS Spam Filter by Redwerk OU

Text Messages Spam Blocker App
Editor's Choice
🔧 Utilities
4.2😊(1.1K ratings)
Free
SpamHound SMS Spam Filter screenshot 1
SpamHound SMS Spam Filter screenshot 2
SpamHound SMS Spam Filter screenshot 3
SpamHound SMS Spam Filter screenshot 4
SpamHound SMS Spam Filter screenshot 5

This app acts as a text message blocker, filtering unwanted SMS and MMS content. It allows users to create custom filters and manage blacklists and whitelists to protect against spam, advertising, and unknown senders. The app operates without needing an internet connection and prioritizes user privacy by not accessing message content.

What We Love

  • 🚀 Great app
  • 🚀 Works as intended
  • 🚀 Effective in blocking spam
  • 🚀 Excellent SMS blocking

Room to Improve

  • 🐛 Doesn't block all spam
  • 🐛 Inconsistent performance
  • 🐛 Requires lots of manual setup
Robo Spam Text & Call Blocker#2

Robo Spam Text & Call Blocker by Murphy Brantley

Block & Filter Message Spammer
Strong Contender
🔧 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

This app provides immediate relief from robocalls, telemarketing, and spam text messages. It blocks unwanted calls and messages, including those using neighbor spoofing, and also prevents spam and ads in your Safari web browser. Enjoy a risk-free trial before subscribing to a service that reduces unwanted calls by up to 99%.

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
Textkiller - Spam Text Blocker#3

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

Block Unwanted Messages
Worth Considering
🔧 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

This app automatically blocks unwanted spam text messages, protecting you from scams and telemarketing. It offers customizable filtering options, a constantly updated global block list, and a privacy-first approach to keep your inbox clean and your personal information secure.

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

More Spam Filter SMS apps to explore

4
SMS SPAM Filter
SMS SPAM Filter
SMS SPAM Filter
by Michal Indra
Free

Block unwanted SMS messages with customizable rules and AI-powered evaluation. Protect your privacy by filtering messages based on sender, content, or country code, all processed offline on your device.

Customizable blocking rulesBlock by expressionBlock by phone number
🔧 Utilities
(9)
free
5
Simply Filter SMS
Simply Filter SMS
Simply Filter SMS
AI-powered spam text blocker
Free

This app automatically filters unwanted text messages on your iPhone or iPad. It uses AI and customizable rules to sort messages from unknown senders into categories like Junk, Promotions, or Transactions, all processed on your device for privacy.

AI-powered spam filteringCustomizable keyword rulesAutomatic message categorization
🔧 Utilities
(58)
free with in-app purchases
6
SmartFilter for SMS
SmartFilter for SMS
SmartFilter for SMS
a smart SMS spam filter
Free

This app intelligently filters unwanted SMS messages using machine learning. It offers extensive customization options to tailor filtering rules and ensures user privacy by analyzing messages directly on the device.

Machine learning spam detectionCustomizable filtering optionsFilter unknown sender messages
🔧 Utilities
(168)
free with in-app purchases
7
Junkman: AI Spam SMS Blocker
Junkman: AI Spam SMS Blocker
Junkman: AI Spam SMS Blocker
Smart spam message filter
Free

This app intelligently filters incoming text messages, categorizing them as normal, junk, transaction, or promotional. It utilizes advanced machine learning and a dedicated spam database to block unwanted messages, operating entirely offline for enhanced privacy. Users can also create custom rules for precise control over message filtering.

AI-powered message classificationSpam and threat databaseCustomizable rule lists with Regex support
📊 Productivity
(114)
free with in-app purchases
8
Block Spam Texts | Dont Text
Block Spam Texts | Dont Text
Block Spam Texts | Dont Text
Free Junk SMS Message Filter
Free

This app automatically filters unwanted spam text messages by sending them to a dedicated junk folder. It offers customizable filtering options, including blocking by email addresses, keywords, and phone number area codes, ensuring you only see important messages.

Automatic spam text filteringJunk folder for spam messagesBlock texts from email addresses
🔧 Utilities
(1K)
free with in-app purchases
9
Robokiller: Spam Call Blocker
Robokiller: Spam Call Blocker
Robokiller: Spam Call Blocker
Stop 99% of Robocalls & Texts
Free

This app blocks up to 99% of unwanted spam calls and texts using advanced AI and a vast database. It also offers a unique feature to annoy spammers with automated responses and protects your personal information from being sold online.

Blocks 99% of spam calls and textsAI-powered audio fingerprintingAnswer Bots for robocaller revenge
🔧 Utilities
(413K)
free with in-app purchases
10
YouMail: Block Spam on iPhone
YouMail: Block Spam on iPhone
YouMail: Block Spam on iPhone
Safer Calls, Texts & Voicemail
Free

This app blocks unwanted robocalls and spam texts, offering safer communication. It provides a free tier with basic blocking and a privacy scan, with premium options for enhanced protection and an additional phone number.

Robocall blockingSpam text blockingSafer visual voicemail
🔧 Utilities
(98K)
free with in-app purchases
11
Spam Call and Text Blocker
Spam Call and Text Blocker
Spam Call and Text Blocker
Block Scam and Filter Spammers
Free

This app filters unwanted spam texts and protects you from scams. It automatically checks incoming messages for suspicious content, sending them to a junk folder while keeping your data private. Customize blocking and allow lists for a cleaner inbox.

Automatic spam and scam detectionMessages filtered to junk folderOn-device message checking for privacy
🔧 Utilities
(59)
free with in-app purchases
12
Verizon Call Filter
Verizon Call Filter
Verizon Call Filter
Put an end to mystery calls
Free

This app helps you identify and block unwanted spam and robocalls. It automatically screens incoming calls, alerts you to suspected spam, and can send high-risk callers directly to voicemail. You can also report spam numbers and customize your blocking preferences for greater control over your calls.

Identify suspected spam callsAutomatically block high-risk spamReport phone numbers as spam
🔧 Utilities
(300K)
free with in-app purchases
13
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Block Unknown Caller ID Scams
Free

This app uses artificial intelligence to screen incoming calls, distinguishing legitimate calls from spam, robo callers, and scams. It acts as a personal call assistant, identifying unknown callers and providing detailed information about each call.

AI-powered call screeningIdentifies spam, unverified, and verified callsAdvanced Caller ID with call categorization
🔧 Utilities
(54)
subscription
14
Sifter - Spam SMS Filter
Sifter - Spam SMS Filter
Sifter - Spam SMS Filter
Spam SMS & MMS Filter
$2.99

This app provides a smart spam filter for iOS devices, allowing users to create personalized rules to block unwanted text messages. It prioritizes user privacy with local processing and offers advanced filtering options like regular expressions.

Customizable filtering rulesBlacklist and whitelist contactsRegex filtering for advanced control
🔧 Utilities
(99)
paid
15
Panda Butler - Spam SMS Filter
Panda Butler - Spam SMS Filter
Panda Butler - Spam SMS Filter
Spam Call & Texts Blocker
Free

This app uses AI to filter spam SMS messages, categorizing important information and allowing custom rules. It also includes a phone cleaning function to manage your photo gallery and keep your device efficient.

AI offline SMS filteringCustomizable keyword and number rulesRegular expression support
🔧 Utilities
(2)
free with in-app purchases
16
SpamSafe: Spam Call Blocker
SpamSafe: Spam Call Blocker
SpamSafe: Spam Call Blocker
Lookup & Block Unknown Numbers
Free

Block unwanted calls and messages with advanced caller ID, filtering, and a customizable blacklist. Protect yourself from spam, robocalls, and scams with real-time detection and defense.

Spam call blockerReal-time caller IDIntelligent call filter
🔧 Utilities
(4.6K)
free with in-app purchases
17
Blockr: SMS, Spam Text Blocker
Blockr: SMS, Spam Text Blocker
Blockr: SMS, Spam Text Blocker
Block & Filter Scam Messages
Free

This AI-powered app automatically blocks unwanted texts and calls, including scams, robocalls, and telemarketers. It offers customizable protection with real-time updates to a scam database, ensuring a clean inbox and call log.

AI-powered spam text blockingReal-time spam call blockingCustomizable blocking preferences
🔧 Utilities
(310)
free with in-app purchases
18
SMS Spam Filter
SMS Spam Filter
SMS Spam Filter
SMS Filter
Free

Block unwanted messages by entering keywords. This utility app helps you filter out spam and other messages you don't wish to receive, keeping your inbox clean. It's designed for simplicity and effectiveness in managing your SMS communications.

Keyword-based message filteringBlock unwanted SMSClean inbox management
🔧 Utilities
(2)
free
19
SMS Filter+
SMS Filter+
SMS Filter+
SMS SPAM FILTERING
$0.99

This app provides professional SMS filtering to block spam and unwanted MMS messages. Customize filters based on phone numbers, keywords, or regular expressions to automatically sort messages. Enjoy uninterrupted focus by silencing junk messages without notifications.

Automatic message classificationCustomizable spam filtersFilter by phone number, text, keywords, regex
🔧 Utilities
(212)
free
20
Nomorobo Max Spam Call Blocker
Nomorobo Max Spam Call Blocker
Nomorobo Max Spam Call Blocker
Call Filter & Scam Shield
Free

This app blocks 100% of spam calls and texts using advanced technology and a vast database of known robocallers. It ensures you never miss important calls while protecting you from scams and unwanted messages. The service also offers a family plan for comprehensive protection.

Blocks 100% of spam calls and textsWorld's largest database of robocallersAI-powered insights for continuous improvement
📊 Productivity
(4.9K)
subscription