I think there's been a few of these privacy-focused journals:

https://penzu.com/ https://280daily.com/ https://standardnotes.org/

I think these products are different from each other so Gekri is too :)

This looks exactly like https://algodaily.com minus the IDE and ability to actually code.

Also, heads up, under "Spaced Repetition": "The best way to learn is to continually riview content. If you want to master coding interviews keep practicing. Getting an email in your inbox will make it easier to remember and will guide you."

Got a typo at "review". This also doesn't seem like spaced repetition-- there's no mention of any spacing/order. Going to build that in?

This is so cool! I love how simple the UI is.

I highly recommend putting some more information on the landing page. Screenshots are kind of helpful, but this just looks like multi-screen search?

This is super helpful! I've always felt Python regex was one of the more complicated parts of the language.