Probably not but that's the beauty of an opensource protocol, Will is staying and contributing to the future of nostr and Apple is shooting themselves in the foot.
If you're using an iPhone perhaps check out browser native UI's like Snort, Semisol's Snort fork or one of the others. Those work fine for me on Android and apps are overrated anyway.
Sometimes I feel like we need an app for everything even if we can just use the platform or site via our phone's browser.
I think Will is already working on something less centric and vulnerable. Scroll his feed!