I.D. Wood is a personal favorite, and has been featured on these pages before. For all those with newly acquired Iphones and Ipod touch after the holiday season, it is worth noting new features have been added to make the app all the more sweet. In addition to over 60 woods, the app now provides the Janka hardness scale and specific gravity information for each wood sample. Grading reference charts for hardwood and softwood lumber are also new to the functionality.

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