Desktop cold storage vs. mobile cold storage

Hey freaks! Would love to hear everyone’s pro, cons, and lovely snark on which cold storage they think is best.

For some more context: •You’re running your own private electrum server •You’ve got a multi vendor multi sig

For desktop you’re using Sparrow (seems to be everyone’s go to)

For mobile you’re using Nunchuk (with a software key, not an email) on an iPhone, cuz my mate here insists it’s safer.

What would you all choose. This is a debate me and my mates go back and forth on regularly. Now we want the freaks to weigh in while we drink a pint.

Cheers ???? ????