My name is Viktor Goltvyanytsya, I am an individual iOS/macOS developer from Zaporozhye, Ukraine.
Please write me to solve any issues related to my apps – LineEngraver Photo Editor, SwatchesReader and Color Palette Finder.
The best way to contact me is through the form below. I usually respond within 24 hours to emails.
Note that the more detailed your description is, the quicker and better I can answer. The device model, correct app name, OS version, or screenshots will also help a lot.