Receiving unsolicited phone calls can not only be annoying, but it can be downright dangerous as well depending on the situation. Nobody wants to be disturbed by nuisance calls, which is why WhoApp, a new iOS app that is free to download, is so interesting.

Once downloaded and configured, WhoApp works by taking calls that a user does not recognize and then producing as much data as it can about the caller. WhoApp will tell the user where the call is coming from, geographically, and even display a Google Maps or Street View image that shows the exact building the call originated from. The caller’s name and picture will also be displayed, if available.

WhoApp-iPhone

The way all this works is a little convoluted, but also brilliant, in a way. When a user receives a call that they don’t recognize, they reject the call like normal. The call is then forwarded to WhoApp’s service, which then immediately forwards it back to the caller via the WhoApp software.

Before they answer, the user is provided with the information they require in order to make a decision as to whether to answer the call, or bounce it to their WhoApp voicemail. It’s really quite clever, indeed.

WhoApp-iOS

Now that we’ve told you about all the work WhoApp is doing, we suspect the obvious question of cost has begun to be asked. How can an app like this be available for free in the App Store? You may be forgiven for thinking that in-app purchases are the simple fix here, but you’d be wrong. So far, at least, it appears WhoApp is absolutely free to download and importantly, free to use. It worries us a bit, but we’re sure the folks at WhoApp know what they’re doing!

You can download WhoApp now and if you receive a lot of calls you don’t want, then the app might be just right for you.

(Download: WhoApp for iPhone on the App Store)

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