If tapping Share -> Apollo isn't ideal for you, there's always the web extension route. You can hack the Sea Creator sample code extension's `content.js` file to replace https://*.reddit.com/ with x-whatever-apollo-url-prefix-is:path/to/reddit/comment if you're serious about doing this in iOS Safari:
It might be possible to ask Apollo to include this, by providing something like the above comments as a feature request. I'm not sure what Apple would think during app review, and Apollo might not be willing to risk it.
https://developer.apple.com/documentation/safariservices/saf...
That's using their modern extension model, so you could compile it onto your device yourself for testing. The WWDC talk is here: https://developer.apple.com/videos/play/wwdc2020/10665/
It might be possible to ask Apollo to include this, by providing something like the above comments as a feature request. I'm not sure what Apple would think during app review, and Apollo might not be willing to risk it.