The UV mapping and texturing is one of the best parts of Zbrush and those features are not included in Zbrushcore, but that's less important for environment (but still imporant). Here's a comparison and here's a reddit thread about why zbrush vs zbrushcore. You get to keep the license forever and you get free updates (you don't have to pay for yearly upgrades).

You get the full version of Zbrush at a big discount - half the price. No commitments, cancel any time.There's no student version. Ready to combine the flexibility of the iPad Pro with the power of ZBrush? Take Astropad Studio for a spin with a free 14-day trial. Mirror any desktop creative software on your iPad with Astropad Studio Get started today with ZBrush on your iPad

Shortcuts are per-app and savable - so you can save a shortcut set for ZBrush and another set for Photoshop. For example, using B M V in succession will execute the multi-key command associated with that combination. You can do multi-key commands when utilizing shortcuts by typing out each key in succession.

In the Edit Shortcuts panel, you can delete, rearrange, rename, and replace any shortcut. The shortcuts can also be customized in the Astropad Studio sidebar. We’ve pre-loaded the sidebar with default shortcuts when you are using ZBrush: Use ZBrush on your iPad with Astropad Studio Default shortcuts for ZBrush on iPadĪstropad Studio includes a sidebar with easy access to your favorite shortcuts. There are also tap gestures available to quickly undo/ redo your work.

Free Trial Touch gestures for ZBrush on iPadĪstropad Studio supports gestures for panning, zooming, and rotating the 3D canvas in ZBrush.

Zbrush core student