[Kwpolska]

I quickly looked at Samsung's Modes and Routines app, and you could build a similar routine (but only with a local notification).

[metadat]

What is the restriction with Android? Can't send a text?

[jcynix]

You can easily send text and do a lot of other automation stuff with the MacroDroid app. I use it to e.g. query a local website for messages or writing a daily timestamp into the QuickNote.md file of Markor (another highly useful app)

cf. https://en.wikipedia.org/wiki/MacroDroid

[Kwpolska]

No idea, there was no action for sending texts.