Best Spam Filter Apps

249+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated October 2026

Verizon Call Filter is the household name in spam filter, but it's far from the only option. We track 249+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Spam Filter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Verizon Call FilterVerizon Call FilterFree4.7โ˜… (336K)NoNoNov 2026
2Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5โ˜… (415K)NoYesNov 2026
3T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7โ˜… (208K)NoNoNov 2026
4SMS SPAM FilterSMS SPAM FilterFree3.8โ˜… (8)NoNoOct 2026
5Hiya: Spam BlockerHiya: Spam BlockerFree4.5โ˜… (238K)NoYesNov 2026
6JunkGuard - AI Spam BlockerJunkGuard - AI Spam BlockerFreeโ€”NoYesOct 2026
7SmsGuard: Spam Text BlockerSmsGuard: Spam Text BlockerFreeโ€”NoYesOct 2026
8SmartFilter - Spam BlockerSmartFilter - Spam BlockerFreeโ€”NoNoOct 2026

Top Picks for Spam Filter

Verizon Call Filter#1

Verizon Call Filter by Verizon Wireless

Put an end to mystery calls
Editor's Choice
๐Ÿ”ง Utilities
4.7๐Ÿ˜(336K 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

  • ๐Ÿš€ Blocks spam calls
  • ๐Ÿ”’ Helps reduce spam
  • ๐Ÿ‘ Works well for some users
  • โญ๏ธ Useful tool
  • ๐Ÿ‘ Effective at blocking spam

Room to Improve

  • ๐Ÿ› Doesn't block all spam calls
  • ๐Ÿ”’ Blocks legitimate calls
  • ๐Ÿ’ฐ Paid version required for full functionality
  • ๐Ÿค” Questionable effectiveness
  • ๐Ÿค” Doesn't seem to work well
  • ๐Ÿค” Increases spam calls for some users
  • ๐Ÿค” Confusing setup and functionality
Robokiller: Spam Call Blocker#2

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

Stop 99% of Robocalls & Texts
Strong Contender
๐Ÿ”ง Utilities
4.5๐Ÿ˜(415K ratings)
FreeIn-App Purchases
#8in 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

  • ๐Ÿš€ Blocks spam calls effectively
  • ๐Ÿ˜‚ Entertaining answer bots
  • ๐Ÿคซ Reduces unwanted call volume
  • ๐Ÿ‘ Convenient call screening

Room to Improve

  • ๐Ÿ› App issues like resetting, deactivation, and call forwarding problems
  • ๐Ÿšซ Blocks some legitimate calls
  • ๐Ÿค– Concerns about increased spam calls after using the app
  • ๐Ÿ’ฐ Expensive subscription, additional carrier charges
T-Mobile Scam Shield#3

T-Mobile Scam Shield by MetroPCS

Your call control center.
Worth Considering
๐Ÿ”ง Utilities
4.7๐Ÿ˜(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

  • ๐Ÿš€ Blocks many scam calls
  • ๐Ÿ‘ Useful app for T-Mobile customers
  • ๐Ÿ”’ Helps improve phone security

Room to Improve

  • ๐Ÿ› Inconsistent blocking of known scammers
  • ๐Ÿšซ Blocks some legitimate calls
  • ๐Ÿ’ฐ Premium features should be free for T-Mobile customers

More Spam Filter apps to explore

FAQ about Spam Filter

What are the best spam filter apps for iPhone?
Verizon Call Filter tops our spam filter apps ranking as of October 2026, with a 4.7-star average from 336K App Store ratings, and it's free to download.
Yes โ€” 18 of the top spam filter apps we rank are free to download, including Verizon Call Filter and Robokiller: Spam Call Blocker.
Verizon Call Filter has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ spam filter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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