This may just be more of a design and communications challenge for you, than your users. I have seen several design templates that use various forms of visuals to assist the user through the “add to Home Screen” process, which is just three steps; Share—-> More —-> Add to Home Screen. It Is arguably even a faster process than going through the App Store, even if users may be more familiar with it.

You could accompany it with some copy explaining how it keeps the service efficient and affordable, i.e., possible stating if you were to offer an app you would have to increase the price by 75% to pay Apple their fee and for the extra costs.

I suspect other arguments for PWAs would not really matter, like that you have no need to track them or use other abilities an app affords, etc. Most people only care about very few things engineers actually care, let alone know about.

I’ve always been an advocate of PWAs whenever it makes sense and will even design and architect to that objective. But even when I would deal with clients, I think the real “up hill battle” is that apps allow for higher fees and charges because they’re more work and come with greater expenses for for-profit apps, so there has been very little incentive to spread general user awareness about the “add to Home Screen”/PWA.

It’s a bit of a paradox, but I guess that seems to be an under-appreciated driver in something like “advanced consumer capitalist economies”, where the “rational actor” simply does not exist anymore.