I should clarify: I downloaded primal on my iPhone. So I need to get the nsec from my laptop to it. I have nos2x on the laptop. I'll check out the one link you sent in the other reply. Thanks!
If you already have the nsec, you can use nos2x, bunker, or DIY with LNBits.
https://github.com/lnbits/nostr-signing-device
https://github.com/fiatjaf/nos2x
https://github.com/kind-0/nsecbunkerd
There are also some other apps on this site that you can try:
Discussion
For iOS, it's not that great; there aren't many apps. But I recommend Nostore—I've used it a lot back when I had an iPhone.
Gotcha. OK, thanks so much for replying.