Yes, I'm the dev.

Yes, it's like AQUA but focused on simplicity, so no altcoins.

Yes, it's a PWA, which means it's immune to app store censorship.

There's no server involved, you can run it on your own computer.

You can use Tor for extra privacy.

The 1000 sats as minimum amount for swap is a constraint from Boltz.

Helm also inherits the 0.01 sats/vbyte the Boltz is trying on Liquid, so Helm have the exact same fees as AQUA.