Best Unknown Caller Apps

246+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated November 2026

Out of 246+ unknown caller apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Unknown Caller Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TrapCall: Reveal No Caller IDTrapCall: Reveal No Caller IDFree4.2★ (26K)NoYesNov 2026
2Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (253K)YesYesNov 2026
3Real Caller : Caller idReal Caller : Caller idFree4.1★ (3.3K)YesYesNov 2026
4Number Finder Caller ID :TrueNumber Finder Caller ID :TrueFree4.7★ (70K)YesYesNov 2026
5TextNow: Call + Text UnlimitedTextNow: Call + Text UnlimitedFree4.8★ (929K)YesYesNov 2026
6Reveal No Caller ID – MaskOffReveal No Caller ID – MaskOffFree4.7★ (819)NoYesNov 2026
7Truecaller ~ Caller ID & BlockTruecaller ~ Caller ID & BlockFree—YesYesOct 2026
8Sync.me - Caller ID & BlockerSync.me - Caller ID & BlockerFree4.4★ (22K)YesYesNov 2026

Top Picks for Unknown Caller

TrapCall: Reveal No Caller ID#1

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

Control Who Calls You & Block
Editor's Choice
💼 Business
4.2😞(26K ratings)
FreeIn-App Purchases
#23in 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

Unmask blocked and unknown callers, stop spam, and protect your privacy. Get caller ID for masked numbers, record calls, and receive voicemails as text. This app provides a solution for unwanted and harassing calls.

What We Love

  • 🔒 Effective in unmasking blocked numbers
  • 🚀 Able to record and transcribe calls
  • 👍 Helpful in gathering evidence for legal issues

Room to Improve

  • 🐛 Inaccurate caller ID information
  • 🔒 Difficult to fully deactivate and remove from device
  • 🔋 Continued call forwarding even after cancellation
  • 👎 Poor customer support and lack of communication
Truecaller: Premium Caller ID#2
4.4😞(253K ratings)
FreeAdsIn-App Purchases
#50in Utilities
Truecaller: Premium Caller ID screenshot 1
Truecaller: Premium Caller ID screenshot 2
Truecaller: Premium Caller ID screenshot 3
Truecaller: Premium Caller ID screenshot 4
Truecaller: Premium Caller ID screenshot 5
Truecaller: Premium Caller ID screenshot 6

Identify unknown callers, block spam, and protect your family from scams. Stay connected globally with an eSIM for seamless travel data. Trusted by millions for secure communication.

What We Love

  • 🚀 Blocks spam calls
  • 💡 Useful caller ID feature
  • 👍 Helps identify scammers

Room to Improve

  • 🐛 Inconsistent performance
  • 🔒 Privacy concerns with data collection
  • 💰 Expensive premium subscription
  • 🔋 Increased spam calls after installation
Real Caller : Caller id#3

Real Caller : Caller id by Real Caller

Number Lookup - Phone Numbers
Worth Considering
🔧 Utilities
4.1😞(3.3K ratings)
FreeAdsIn-App Purchases
Real Caller : Caller id screenshot 1
Real Caller : Caller id screenshot 2
Real Caller : Caller id screenshot 3
Real Caller : Caller id screenshot 4
Real Caller : Caller id screenshot 5

This app allows users to create profiles, search for others, and block unwanted calls. It also offers instant messaging between users and allows you to add multiple names to your verified phone number for easier identification. Premium features are available through subscription.

What We Love

  • 💡 Efficient number lookup
  • 👍 Helpful app for finding contact info
  • 🚀 Fast and accurate search results

Room to Improve

  • 🐛 App crashes and freezes after updates
  • 🔒 Privacy concerns with data sharing
  • 💰 Subscription model is frustrating

More Unknown Caller apps to explore

FAQ about Unknown Caller

What are the best unknown caller apps for iPhone?
TrapCall: Reveal No Caller ID tops our unknown caller apps ranking as of November 2026, with a 4.2-star average from 26K App Store ratings, and it's free to download.
Yes — 20 of the top unknown caller apps we rank are free to download, including TrapCall: Reveal No Caller ID and Truecaller: Premium Caller ID.
TrapCall: Reveal No Caller ID has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 246+ unknown caller apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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