Silent Circle Blackphone

alaTest has collected and analyzed 1 user review of Silent Circle Blackphone from Amazon.com. The average user rating for this product is 5.0/5, compared to an average user rating of 3.8/5 for other Cell phones on Amazon.com. Reviewers really like the portability.

This is what Jon Callas, CTO of Silent Circle and creator of the Blackphone had to say about Samsung, Apple and BlackBerry's approach to keeping smartphones secure.