1. Home
  2. Topics
  3. Free Robo Call Blocker

Best Free Robo Call Blocker Apps

246+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated August 2026

Whether you're new to free robo call blocker or looking for an upgrade, our curated collection of 246+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Free Robo Call Blocker Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesSep 2026
2Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoSep 2026
3T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoSep 2026
4AntiSpam: Call BlockerAntiSpam: Call BlockerFree3.0★ (2)NoYesAug 2026
5Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesSep 2026
6Call Protect: Robocall BlockerCall Protect: Robocall BlockerFree4.5★ (32K)YesYesSep 2026
7Robo Call Blocker ProRobo Call Blocker ProFree4.7★ (6)YesYesJul 2026
8Robo Spam Text & Call BlockerRobo Spam Text & Call BlockerFree4.3★ (5K)NoYesAug 2026

Top Picks for Free Robo Call Blocker

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😐(414K ratings)
FreeIn-App Purchases
#7in 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 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.

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
Verizon Call Filter#2

Verizon Call Filter by Verizon Wireless

Put an end to mystery calls
Strong Contender
🔧 Utilities
4.7😐(300K ratings)
Free
Verizon Call Filter screenshot 1
Verizon Call Filter screenshot 2
Verizon Call Filter screenshot 3
Verizon Call Filter screenshot 4
Verizon Call Filter screenshot 5

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.

What We Love

  • 🚀 Blocks spam calls
  • 🔒 Helps reduce spam
  • 👍 Works well for some users
  • ⭐️ Useful tool

Room to Improve

  • 🐛 Doesn't block all spam calls
  • 🔒 Blocks legitimate calls
  • 💰 Paid version required for full functionality
T-Mobile Scam Shield#3

T-Mobile Scam Shield by MetroPCS

Your call control center.
Worth Considering
🔧 Utilities
4.7😐(208K ratings)
Free
T-Mobile Scam Shield screenshot 1
T-Mobile Scam Shield screenshot 2
T-Mobile Scam Shield screenshot 3
T-Mobile Scam Shield screenshot 4
T-Mobile Scam Shield screenshot 5
T-Mobile Scam Shield screenshot 6

This app provides advanced call management features to protect you from unwanted scam and robo calls. It uses AI and machine learning to identify and block suspicious numbers, offers full caller ID, and allows you to report fraudulent calls.

What We Love

  • 🚀 Blocks many scam calls
  • 👍 Useful app for T-Mobile customers
  • 🔒 Helps improve phone security

Room to Improve

  • 🐛 Inconsistent blocking of known scammers
  • 🚫 Blocks some legitimate calls
  • 💰 Premium features should be free for T-Mobile customers

More Free Robo Call Blocker apps to explore

4
AntiSpam: Call Blocker
AntiSpam: Call Blocker
AntiSpam: Call Blocker
Block Phone Numbers &Caller ID
Free

Block unwanted calls, including spam, telemarketing, and anonymous numbers. This app provides peace of mind by silently rejecting calls from your blacklist or unknown callers not in your contacts.

Block unwanted callsCaller ID and spam blockingBlacklist and reject calls
🔧 Utilities
(2)
free with in-app purchases
5
Hiya: Spam Blocker
Hiya: Spam Blocker
Hiya: Spam Blocker
AI fraud & spam protection
Free

Block unwanted spam and scam calls while identifying unknown callers. Get real-time caller ID and call reasons before you answer, and protect your voicemail from spam. Offers premium features for an enhanced calling experience.

Spam and scam call blockingReal-time caller IDCall reason identification
🔧 Utilities
(238K)
free with in-app purchases
6
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Caller ID & Spam Call Blocker
Free

This app blocks unwanted calls from telemarketers, scammers, and spammers. It provides caller ID information for suspicious numbers and automatically blocks high-risk callers. You can also perform free reverse phone lookups for numbers in the US and Canada.

Automatic spam call filterCaller ID for risky numbersReverse phone lookup
🔧 Utilities
(32K)
free with in-app purchases
7
Robo Call Blocker Pro
Robo Call Blocker Pro
Robo Call Blocker Pro
Clean spam ads,full protection
Free

Block unwanted robocalls, spam, and fraudulent calls. This app also enhances your browsing experience by blocking ads, trackers, and malicious sites in Safari, saving data and improving speed.

Block robocalls, spam, and fraudBlock ads and trackers in SafariSave mobile data
📊 Productivity
(6)
free with in-app purchases
8
Robo Spam Text & Call Blocker
Robo Spam Text & Call Blocker
Robo Spam Text & Call Blocker
Block & Filter Message Spammer
Free

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%.

Blocks robocalls and telemarketing callsFilters spam text messagesBlocks Safari browser ads and popups
🔧 Utilities
(5K)
free with in-app purchases
9
Sereniphone: Spam Call Blocker
Sereniphone: Spam Call Blocker
Sereniphone: Spam Call Blocker
Caller ID filter, scam killer
Free

Block unwanted calls, including robocalls and spammers, with this privacy-focused iPhone app. It identifies and filters suspicious numbers before you answer, with an option for premium features like automatic updates and unlimited blocking.

Block unwanted callsIdentify spam, fraud, and robocallsCustom caller ID labels
🔧 Utilities
(0)
free with in-app purchases
10
SafeTact Blocker
SafeTact Blocker
SafeTact Blocker
Antispam & Call Identification
Free
🔧 Utilities
(0)
11
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Call Filter & Scam Shield
Free

This app blocks unwanted robocalls, telemarketers, spam texts, and scammers from reaching your phone. It identifies and filters out millions of malicious callers daily, while allowing important alerts to get through. Enjoy peace of mind with real-time protection and customizable blocking options.

Real-time robocall blockingIdentifies new robocallers dailyAllows important alerts
🔧 Utilities
(22K)
free with in-app purchases
12
ScammerBlock - AI Call Shield
ScammerBlock - AI Call Shield
ScammerBlock - AI Call Shield
Block scams with AI screening
Free
🔧 Utilities
(0)
13
spamfilter.call.blocker
spamfilter.call.blocker
spamfilter.call.blocker
by Robert Meyer
Free
🔧 Utilities
(0)
14
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam & Scam Phone Call Blocker
Free

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.

Identify unknown callersBlock spam calls and SMSAI-powered call screening
🔧 Utilities
(252K)
free with in-app purchases
15
Robocall Defender by Voiply
Robocall Defender by Voiply
Robocall Defender by Voiply
by Voiply, LLC
Free

This application automatically blocks unwanted spam and robocalls, giving you greater control over incoming calls. It helps filter out disruptive phone numbers by adding them to a personal blocklist.

Blocks unwanted callsFilters spam and robocallsManages incoming calls
📊 Productivity
(2)
free
16
Birln Wall: Spam Call Blocker
Birln Wall: Spam Call Blocker
Birln Wall: Spam Call Blocker
Robocall blocker that pays you
Free
🔧 Utilities
(0)
17
Stop Spam: Call Blocker
Stop Spam: Call Blocker
Stop Spam: Call Blocker
Powerful Call Blocker & Filter
Free
🔧 Utilities
(0)
18
Phone Blocker Pro
Phone Blocker Pro
Phone Blocker Pro
Block spam and robocalls
$2.99

Block unwanted telemarketing and spam calls with custom patterns. This tool allows you to block large sets of numbers matching specific criteria while still allowing calls from unknown numbers.

Block telemarketing and spam numbersCreate custom blocking patternsBlock up to 10,000 numbers per pattern
🔧 Utilities
(0)
paid
19
RoboStopper Call Blocker
RoboStopper Call Blocker
RoboStopper Call Blocker
Stop 100% of Robocalls
Free

This service blocks unwanted automated and spam calls, ensuring only desired contacts can reach you. It offers layered defenses and allows you to set a price for marketers to contact you, turning unwanted calls into a potential revenue stream.

Blocks 100% of robocallsLayered defenses against spammersAllows only contacts from address book
🔧 Utilities
(36)
free with in-app purchases
20
LoopCall: Scam Call Blocker
LoopCall: Scam Call Blocker
LoopCall: Scam Call Blocker
Spam & Robocall Blocker
Free

This app uses an AI screener to filter unwanted calls from unknown numbers. It answers, records, and transcribes calls, then provides a risk assessment so you only engage with important conversations.

AI call screeningAutomatic call forwardingCall transcription
🔧 Utilities
(2)
free with in-app purchases

FAQ about Free Robo Call Blocker

What are the best free robo call blocker apps for iPhone?
Robokiller: Spam Call Blocker tops our free robo call blocker apps ranking as of August 2026, with a 4.5-star average from 414K App Store ratings, and it's free to download.
Robokiller: Spam Call Blocker has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 246+ free robo call blocker apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Robokiller is designed to eliminate up to 99% of spam calls and text messages. It uses a global database of known spam numbers and AI-powered audio fingerprinting to identify and block unwanted communications. The app also offers features to annoy spammers and protect your personal information.
It employs a multi-pronged approach. A global database of 1.4 billion analyzed calls instantly protects against known scams. Additionally, patented audio fingerprinting technology uses machine learning to identify and block annoying, unwanted calls before they ring your phone.