Yellow Field Technologies has announced iSMARTtrain 4.0, an update to their Mac training journal application for endurance athletes.

iSMARTtrain allows endurance athletes to download training data, such as heart rate, cadence, speed and power, from a variety of heart rate monitors and power meters and analyse it in graph, table and list formats. The latest release contains features such a revamped user interface and support for more devices.

iSMARTtrain 4.0 costs US$49.99 and requires Mac OS X 10.9 or later. It’s available at the Mac App Store in the Health and Fitness category. A demo version, limited to 20 entries can be downloaded from iSMARTtrain online (http://www.ismarttrain.com).