Many users, as seen in KVR Audio forums, use the BS-16i to turn their iPhone into a portable sound expander module. It is highly valued by keyboardists who need immediate access to piano, brass, or string patches without lugging heavy equipment.
It supports both SoundFont (.sf2) and DLS files, allowing you to load thousands of free or paid instrument libraries found online. bismark bs-16i ipa
bismark bs-16i is a high-performance, 16-part multitimbral playback sampler for iOS and Android, widely regarded as a "workhorse" for musicians who need to load SoundFont (.sf2) and DLS libraries. Core Functionality SoundFont Support Many users, as seen in KVR Audio forums,
Use a file manager (like the Apple Files app or Dropbox) to import the soundfont file into the bs-16i's "Documents" folder. as seen in KVR Audio forums
To clarify: