Don't see what's wrong with Mycelium on your phone, record seed, delete app.

Yes it's free and I can restore anywhere in the world without having to worry about a USB stick.

Option 2 is Electrum on TAILS USB
Again, it's free!... And it's a USB stick
Plus no one is ever going to argue they can beat that option for security.

All these news toys. I suppose cashed up crypto kids have to spend it on something.