By default apps are using the language defined as system's default, but this setting can be overwritten - in different ways on macOS or iOS / iPadOS:
- On macOS you need to navigate to the system settings for "Language & Region". At the right bottom exceptions for single apps can be defined: Just add an additional entry for StitchBuddy and select English.
- On iOS / iPadOS the corresponding setting is found in the app's preferences: Just open StitchBuddy's settings - either from the system settings or using the menu item from StitchBuddy's "Design" view. There is an item to select the preferred app language.
Hopefully, I could answer your question, and please don't mind that I have moved this discussion into the "Tips & Tricks" category…