The spelling of the word "appy" might be confusing for some due to the lack of a clear standard in English. However, the most likely pronunciation would be /ˈæpi/ using the International Phonetic Alphabet (IPA). This suggests that the word would be spelled with the letter "a" followed by the letters "p" and "p" and ending with a letter "y". Although this spelling may not be common, it is important to understand the correct pronunciation to avoid misunderstandings in communication.