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Phone with number info

You always know
who's calling

A convenient Caller ID for Android and iPhone. Detailed phone number information, ratings, reviews, tags, and more.

Google Play

230k reviews

App Store

AppGallery

Download APK

Maximum features

Scan to open on your device

Android screens

Android

An incredible calling experience with NumBuster

Android users can enjoy all NumBuster features right on the call screen

Maximum info during calls

Check via call log

Anti-spam SMS client

Android rocket

iPhone screens

iPhone

Caller ID and anti-spam for iPhone

We’ve made our Caller ID for iPhone as convenient and informative as possible. Give it a try!

Info label on the call screen

Quick check via call log

Easy phone number blocking

Download on the App Store

business screens

B2B Caller ID

Business Solutions

NumBuster offers business solutions for call and SMS security

Widget and call screen SDK for Android

SDK detector for iPhone

Push notifications about potential fraud

Integration via API

News and Articles

All articles All

🧨 Danger

Phone number spoofing: How to detect and check a phone number

Jul. 09 2025

💬 Tips

How to Install the NumBuster Web App on iPhone

Jun. 25 2025

🧩 Functions

How do I prevent a user from leaving comments on my phone number card?

Jun. 19 2025

NumBuster Reviews

All reviews All

5

Lina H.

GooglePlay

Great app. A scammer called me today, and the app flagged it right away. I really like it!

5

Jack F.

GooglePlay

I like it because it shows full info on the caller — including where the call is coming from. Big thanks to the devs. Five stars. Awesome!

5

Maya T.

GooglePlay

Wonderful app that does exactly what it’s supposed to. No annoying ads or useless features — and the number info is super clear. The free version covers all my needs. Honestly, I absolutely love it.

5

Lana M.

GooglePlay

Great app! Identifies numbers like a pro — total five stars! You can see trust ratings and reviews too!