Call Blocker
for iPhone and Android

Unlimited quantity of rules

Manage rules manually

No internet connection needed

Protect your device from unwanted calls

developed by Redwerk
Red phone
CallHound App

developed by Redwerk

Green Phone

Our award

Block phone number app CallHound by Redwerk

CallHound App is Your Reliable Shield from Spam

The app carefully protects your phone from unwanted and spammy incoming calls, reduces the annoying clutter and makes your busy life easier.

Block Spam Calls

Incoming calls for which Spam rules applied are completely blocked, and the call does not occur. No one, from advertising agents to strangers, can bother you if they are on your spam list.

Number blocking app CallHound by Redwerk

Block Unwanted Calls

When you receive the call from a number for which the Unwanted rule applied, it marks as 'unwanted' on the screen. So, you can choose: to answer or not.

With Call Blocker CallHound App You Can

Add ass many rules as you want

Add as many rules as you want

Block spam calls

Block spam calls

Tag unwanted calls

Tag unwanted calls

Backup rules via social accounts

Backup rules via social accounts

Use the app without Internet connection

Use the app without Internet connection

Backup Dog

Backup Your Call Blocking Rules

CallHound offers you a backup of your filtering rules in the cloud, which not only prevents data loss but also comes handy in case you’re changing devices. Just authorize with one of the social accounts (Facebook, Twitter, Google) and your data will be automatically transferred.

Setting Easy as ABC

How to Block a Number on Your iPhone?
  • Go to CallHound app
  • Tap “+” button on the Rules tab
  • Choose Add Number or Add from Contacts
  • Create a rule name
  • Add a country Code and Phone Number
  • Choose the type: Spam or Unwanted (Spam default)
  • Tap Add button


You got rid of unwanted calls!

If you want to delete your rule, just swipe left to see Delete button.

Download CallHound app & block unwanted calls forever

Complete you spam protection with one more spam blocking app

Still get spam in SMS and MMS? Try SpamHound SMS Spam Blocker!

Manually configure Black- and Whitelists rules and block all undesired messages. Create an unlimited number of filters, apply conditions to fine-tune rules and prevent spam forever.