Call Insider is a free application which helps to identify unknown phone numbers and block unsolicited calls. We have designed the app to do exactly what you need. And nothing more. That makes using it very easy.

Identification of callers
More then 10 million of identified telephone numbers. We use data from more than 70 websites to recognize phone numbers.

Call blocker
No more unsolicited calls. You can block any phone numbers you want including hidden unknown and telemarketing numbers.

Number rating
By rating numbers you help both the other users and yourself. Moreover you harm telemarketing companies. Yay!

Privacy protection
Protecting your privacy is our No. 1 priority. We only use your contacts to distinguish the known numbers from the unknown. We never save them and don't give them to anyone.