There is also a liiiiitle difference between RP's and SA's [i] and [ɪ] (IPA sounds are "areas", not "points"), as well as a difference in tenseness (British is

There is also a liiiiitle difference between RP's and SA's [i] and [ɪ] (IPA sounds are "areas", not "points"), as well as a difference in tenseness (British is generally more tense). So yeah, IPA doesn't completely specify how things sound.