It's not designed for dark mode on iOS, for sure. I think you're making good progress personally, but I'd recommend more testing outside of a small cohort. You actually need to hear the good and the bad ahead of launch, which didn't really (seem) to happen here. They did a good transformation over at GetDPI - not perfect, but good, and seemed to listen to feedback. And they still went forward with their vision too, so best of all worlds. Worth considering going forward.