Nunchuk nostr:nprofile1qqsvxq03xdev3uxehjqcdkr5lfzl5vawmcf7vm6ps73m6ghwg8y4k2spz4mhxue69uhk2er9dchxummnw3ezumrpdejqz9nhwden5te0dehhxarj9eekcmm5dpujuamfdcq3yamnwvaz7tmsw4e8qmr9wpskwtn9wvuasnac is quite underrated. Feature-dense and good UI. It would be my pick.
Blockstream nostr:nprofile1qqsfy229w70e8lgtxavlz9t78k06yrel6fxyhreteafqet8kfxhhwmgpzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqgewaehxw309ac8yetdd96k6tnswf5k6ctv9ehx2ap0dm7kcr is decent and very well worth a try
Electrum does the job well and it's quite functional
Bluewallet is really good for newbies. Probably the best to recommend to them.
Cove (iOS-only) has been making the rounds