OmniFocus 2 will automatically use your operating system’s primary language. On Mac, this relies upon the settings selected in System Preferences ▸ Language & Region. On iOS, this is controlled in the Settings app under General ▸ Language & Region. If you’d prefer to use OmniFocus with an English interface without impacting the entire device, use the following link:
On iOS, tap Invoke when prompted to confirm this change. If you’d like to switch back to your primary language, use this link:
We’re always looking for users to let us know how we’re doing, so if you find any specific examples of ways your particular localization can be improved, please send those suggestions to us!