Whoscall is a Private Caller Identifier app developed by gogolook, a mobile app development company based in Taiwan and spreading across over thirty countries including Thailand, Korea and Hong kong. Whoscall is good at identifying private number and blocking unwanted calls.

    The free private call identifier app protect you from abuse arising from unwanted calls and promotional SMS which has taken the modern Telemarketing. Social media connections have really bring the world to one room and people can easily connect each other quickly without much cost, which made most people not to attach much importance to SMS.

    Nevertheless, many important messages are still sent via SMS but promotional SMS from network providers, its affiliates, third parties are more common and that's the reason you need whoscall to identify incoming calls that are not from your contact list and SMS from unknown mobile number.

    Whoscall private number identifier can be set to block calls and SMS that are not coming from your phone contact which made it easy to block short codes; especially the ones that usually disturb you while you're busy and all those adverts, promo codes of items you've not subscribed to.

    Some cons of this app is that, it does not work on all android phones and it requires android 4.2 or above before it can work on your phone. It could also drain your battery and fail to block some SMS or MMS especially if you're using third party message app as your default Message.

    TrueCaller : Caller ID & Dialer is another private number announcer mobile app developed by True Software Scandinavia AB, an application development company in Sweden. Truecaller reveals the identity of the unknown caller and also function as call control app; with a feature to block unwanted calls or spam calls.

    Truecaller private call identifier gets to know the identity of the private caller with hundreds of millions of spam-calls database just like whoscall but truecaller is damn crazy with the capacity to reveal the name and photo of the caller, regardless of the possibility that they aren't in your phone contact list, provided it has the caller data.

    This free private caller identifier would make you enjoy the call experience especially when it identifies your friend's call. One super thing it does is that, it can reveal the user/ owner of any mobile number even when the person didn't call. If for instance you want to track the user of a phone number or get to know about an unknown person you just get his/her number, just copy from anywhere to the app to get the identity.

 

  Download Truecaller and enjoy real private call tracker app which is also used as call dialer as calls can be made directly from the app but you need to be connected to the internet to get the identity of the private caller. There's so much improvement in the latest version 7.7 which catapulted its number of installs to hundreds of millions downloads from play store alone. However, it does not work on android below 4.0 version.

    This app requires sign up and verification process which means the app can access your phone number and message unit. This is a bit of concern as many people speculated that it could parse into one's information and store it in its database in order to increase its power to have access to the most phone numbers.http://www.wificallingiphone.com/2016/11/private-call-announcer-apps.html

I need this juz in case I need to block another azz..