Pronunciation: [ɐpə͡lˈɪŋ] (IPA)
Correct spelling for the English word "appling" is [ɐpə͡lˈɪŋ], [ɐpəlˈɪŋ], [ɐ_p_əl_ˈɪ_ŋ] (IPA phonetic alphabet).