Yes, there is one for iOS: https://apps.apple.com/au/app/%E5%BB%A3%E6%9D%B1%E8%A9%B1%E8%BC%B8%E5%85%A5%E6%B3%95/id918088646 https://apps.apple.com/au/app/%E5%BB

Yes, there is one for iOS: https://apps.apple.com/au/app/%E5%BB%A3%E6%9D%B1%E8%A9%B1%E8%BC%B8%E5%85%A5%E6%B3%95/id918088646 https://apps.apple.com/au/app/%E5%BB%A3%E6%9D%B1%E8%A9%B1%E8... It uses the British spelling of Cantonese that is still in use in HK for the personal and street name transliteration.