Write jrnl.sh entries on iOS, using your favourite writing app and Siri Shortcuts. Then sync your journal with a bash script. Very simple, easy to install and use, and works well. [Moved to: https://github.com/lkdm/jrnl-sync]
Why do you think that https://github.com/lkdm/jrnlsync-sh is a good alternative to jrnl-sync