Requirements: Android OS 2.0+
Price: $5.99
Overview: Invisible edition of "Extreme Call Blocker Droid". Block all unwanted calls, secure private text messages, ensure privacy.

Features:
* Invisible icon, concealed entry way, other people won't know where it is or how to open it.
* Support Froyo (2.2).
* Backup/Restore settings from SD
* Hangup mode block voice mail
* Block anonymous/private/unknown/blacklist calls
* Block unknown/blacklist SMS,
* Built-in private SMS mail box hide private txt msg
* Schedule on Google calendar to decide when to block.
* Hide private number calls in/out, no record in call log.


What's New:
Version 25.8
Problems fixed in this version:
1. Hang up fix for HTC phones running Gingerbread 2.3. Please enable the "HTC mode" in appliation configuration.
2. Reduced memory usage of this app.