For those wondering what this is about, I quote:

This is a retrospective post about my experiment Searchtodon, an attempt at building a privacy conscious personal timeline search tool for Mastodon.

Also, Fedilab android client can schedule posts and boosts. It’s free on F-Droid, but can be supported by buying it in the play store.

(I don’t know anything about Sengi desktop client, but there’s a link to it that works.)