a "first and only rsync client on ios" claim on your page doesn't hold water as rsync has been in repos since the earliest days of apt/dpkg being ported to ios. 2008?

the amount of ways apple scuttled basic file features in ios is really something. from limiting files to a sandbox only avilable to a particular app to not compiling nfs or cifs into the kernel, to inventing new app-specific file-streaming things using undocumented UDP protocols..