FWIW I largely agree with you; a duopoly is only one more choice than a monopoly, and both Google and Apple have done a variety of things that annoy me. If I could pick a third option I would, but it's essentially impossible to enter the market at this point.
Anti-competitive law continually lags behind accelerating cycles of tech ecosystem centralization, while the scale and number of these ecosystems goes up, and the number of significant competitors in each goes down.
The "open internet" is now a myriad of visible and invisible gates, walls, dossiers, coordinated action, coercive frictions, manipulative "services", and taxes scaling on our productivity (instead of proportional to value provided to us), raised by fewer and fewer owners operating across more and more dimensions of our lives.
It's time for a Mobile Bill of Rights.
Two companies cannot dictate that the entire world jump through their hoops wearing their straight jackets on the most important device and technology category of the century.
We need free web-first downloads with zero scare walls and zero restrictions. These must be mandated across the board. No limitations on JIT, technology choices, deploy cadence, functionality, etc.
Apple is camping on the entire information economy.