N.D.C have updated their VST tuner, Tune It! to v1.3, which also sees the first release for Mac OS X.

Features:

• Automatic Note Recognition (from A-1 to A6).
• Programmable A440 reference from 400 to 480Hz (step of 1Hz or 0,1Hz).
• Programmable Precision/Latency (very low, low, medium, high, very high) The lower the precision, the lower the latency.

Tune It! costs 7.5 EUR and is available as a VST effect for Windows and OS X.