Simple and useful true Caller ID app to identify Caller ID, reverse phone lookup, contacts, dialer and block number. Caller ID is powered by a database of hundreds of millions of phone numbers. Identify and block calls using our Caller ID app trusted by 10 million users!

Know who's calling you using the best and useful true caller id, reverse lookup and call blocker. With Caller ID you can immediately see who an anonymous caller is, whether it is a business or a personal number.

Caller ID highlights and key features:

Caller ID & Reverse Phone Lookup
Live Caller ID and know who's calling always. Shows you true caller id name. Identify unknown and private numbers not in your phone book.

Block Number & Call Blocker
Block number using Call Blocker function. Add spam or unwanted numbers to your call blacklist and Caller ID will auto block them to help you stay away from spam, scam, telemarketing and robocalls.

Phone Number Lookup & Reverse Lookup
Reverse Phone Lookup function allows you search any unknown numbers and find number details works like phone number lookup tool. See who is calling you. Identify name and business information of who’s behind a strange number.

Smart Contact & Dialer
Caller ID is a dialer & real caller ID app that helps call your contacts phone numbers from your phone book with ease. Fast T9 search in your recent calls and contacts, replace your stock system default free calling app, bring your dialing experience to the next level!

Why choose Caller ID?
- Live Caller ID identifies and shows you true caller id name .
- Block number with Call Blocker function. Say goodbye to spam, scam, telemarketing and robocalls!
- Search any number details using reverse phone lookup/reverse lookup/phone number lookup.
- Dial and call your contacts by T9 search and dialer, bring your dialing experience to the next level!