And it was valuable to me as someone going from "bad but correctable" vision to low vision. I didn't know all those apps existed. I've been looking for exactly that sort of assistive technology.
Funnily enough we're creating a competitor of these third party app that you mention, with the huge experience of my colleague that is son of blind parents.
We have an mvp online but it's not much yet and i really don't want to be the "do you know i have an app?" guy.
One thing confused me though - you felt like the on-device processing is likely a gimmick. I naively assumed this is a big deal because it means it always work, regardless of your cell service. On the subway, on an airplane, in the middle of nowhere, etc.
Unrelated, what app makes the biggest difference to you in your day to day life?