GrowAppStore

Best Caller ID & Spam Call Apps for iPhone

Looking for the best caller ID and spam call app for iPhone? Here are 2 apps from the GrowAppStore library, ordered by real App Store ratings. True CallerID: Spam Blocker ranks first, with 4.3★ from 846 App Store ratings. Every app below is free to download, and each page lists its features, screenshots, languages and user reviews.

Also searched as: spam call blocker · reverse phone lookup · unknown number lookup

2 apps

1. True CallerID: Spam Blocker

Utilities · 4.3★ (846) · Free

Identify unknown calls & spam. Identify unknown callers, block robocalls, and stop spam calls automatically with True CallerID—America’s trusted caller ID and call blocke…

  • Instant Caller ID: See names, photos & locations before answering
  • Smart Call Blocker: Auto-block spam, telemarketing & robocalls
  • Spam Detection Alerts: Real-time alerts when a scammer calls
“The app is really good & it’s highly recommended for all users!!!” — Tunti Samura, 5★ App Store review, 2026-04-12

2. CallerID: True Number Search

Utilities · 4.3★ (358) · Free

Reverse Search & Spam Blocker. Identify Unknown Callers & Block Spam Instantly!

  • Real CallerID & Name Lookup – Identify unknown callers before you answer.
  • Reverse Phone Lookup – Search any phone number to see who’s behind it.
  • Spam Call Blocker – Automatically block telemarketers, robocalls, and fraud numbers.

Compare at a glance

AppRatingSizeLanguagesiPadNeeds iOSUpdated
True CallerID: Spam Blocker4.3★ (846)148 MB14No15.6+2026-09-11
CallerID: True Number Search4.3★ (358)149.4 MB14No15.6+2026-09-15

Frequently asked questions

What is the best caller ID and spam call app for iPhone?

Weighting each rating by how many people left it, True CallerID: Spam Blocker ranks first here with 4.3★ from 846 App Store ratings. CallerID: True Number Search (4.3★) follows. Open each app's page to compare features and screenshots.

Are these caller ID and spam call apps free?

Yes. All 2 apps in this guide are free to download from the App Store. Check each listing for optional in-app purchases.

Do these caller ID and spam call apps work on iPad?

None of these apps ship dedicated iPad screenshots; all are built for iPhone.

Which iOS version do these apps need?

They require iOS 15.6 or later at minimum; the newest requirement in this list is iOS 15.6.

This guide compares apps in the GrowAppStore library only, which are published by GREWON TECHNOLOGIES PRIVATE LIMITED, Reena Williams and Stephen Kuyper; it is not a review of the whole App Store. Apps are ordered by real App Store ratings weighted by how many people rated them. Quotes are real user reviews, shown only for apps rated 4★ or higher overall. Ratings combine the US and India storefronts. How we work