"It is a sum of many aspects. if you are modeling an object with terrestrial and oblique images, I suggest to process photos In Photoshop, do masking removing everything else that is not the object in the photo, and if the picture has been taken with…"

"Hello David:
Yes it Does, but there is about 6cm error, with Pix4D you get about 2cm-3cm error.

Try it with this Images captured with Go Pro on both programs:
https://s3.amazonaws.com/mics.pix4d.com/example_datasets/example_go..."

"Also the only one capable of processing correctly fisheye lens is Pix4D."

"Hello:

If you have a macbook pro or mac air laptop and you need to work on photogrammetry you could add a high end Graphics card via thunderbolt 2 with this pcie expansion:
http://www.magma.com/expressbox-1t

Then, you can compare the results using…"