Does the Greenman Illustration Workshop app work on Apple phones?

No.

Qingmans Illustration Workshop is the Android version of the software, Android system phones can be in the pea pod or PP assistant and other cell phone assistants to download and install, does not support Apple.

QingMan Illustration Workshop provides a variety of beautiful illustration pictures, users can freely design various styles of pictures here, providing a wealth of materials for everyone to use, to show their own design creativity.