Link to the Excel file:
https://arborealse-my.sharepoint.com/...

In the app Arboreal Forest you could measure sample plots in the forest with diameters and heights. If you have an iPhone or iPad with Lidar you will get the best results.

In this video I show how you could evaluate the app in an efficient way.

The attached file is write protected but you could save a copy and do your own evaluation.