I thought someone was going to mention Nunchuk. I saw that Lyn Alden suggests it at https://www.lynalden.com/resources/ but maybe because it's the only one compatible with the tapsigner. Then Swan mentions Muun and Geen at https://www.swanbitcoin.com/best-bitcoin-wallet/. Any thoughts on why people tend to suggest Bluewallet instead of Nunchuk? It looks a bit more complicated but seems to work well in singlesig mode.