I use flash.nvim extensively to jump around. There are also %, [[, [(, etc to work with brackets. vim-multicursor-visual helps to find and edit multi occurrences.

And for the rest I have a an easily reachable layer on my programmable keyboard with arrow keys in the home row instead of QWERTY ghjk

Unfortunately with iOS you are stuck with Obsidian Sync because Syncthing does not work because of the permission model. Otherwise I prefer Obsidian over Joplin for the above mentioned reasons and nice extension ecosystem. It’s easy to get your files out of Obsidian, no vendor lock-in