In today's app deals roundup you'll find Custom Binary Clock for iOS now free, 4 Elements HD (Full) for iPad now also free, and a discount of Abduction! 2 for Android. Know of any other deals? Let us know in the comments.
• 4 Elements HD (Full) for $0 (normally $7.49)
• Abduction! 2 for $0.99 (normally $1.99)