None of the apps or services are even close to art. (Including state of the art.)
This is the main problem of small projects that aren't cutting edge. To know if you are cutting edge somewhere, run an experiment if your work cannot be undercut in a week by a small team of low wage country workers or programmers.
(Even many startups fail this litmus test.)
Hacking is fun, but life as a starving programmer is not.
There is a vast difference between getting reasonable money and negative money.
Bigger than between making reasonable living wage and being filthy rich in fact.