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ChatBarrier X4 is a utility for iChat that expands iChat's features to allow 2-way live text messaging and real-time 512-bit encryption of the message between two parties. Features include:

  • Encrypts text and audio chats, as well as file transfers sent via iChat
  • Encrypts outgoing iChat messages using industry-standard encryption algorithms.
  • Decrypts incoming messages sent to you by another ChatBarrier X4 user.
  • Encrypts and decrypts messages on the fly and instantaneously.
  • Only decrypts messages if the intended user receives them.
  • Encrypted messages are indicated by a padlock background in the more...

What's New

Version 10.4.1:
  • Encrypted video chats (Mac OS X 10.4 and later)
  • Minor bug fixes


  • Mac OS X 10.3.9 or later
  • iChat

*Previously available here

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1 4


Current Version (10.x)


Downloads 6,760
Version Downloads 2,902
Type Internet / Chat
License Demo
Date 10 Oct 2006
Platform OS X / PPC 32 / Intel 32
Price $39.95
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