Obsidian Sync is great (it helps that I got in on early-bird pricing...but it really is reliable). In addition, the Git plugin, coupled with Working Copy on my

Obsidian Sync is great (it helps that I got in on early-bird pricing...but it really is reliable). In addition, the Git plugin, coupled with Working Copy on my iPhone and iPad, also work extremely well, with a bit of added overhead. Though iCloud works reasonably well for just about everything else, I haven't used it for syncing Obsidian data.