I know for sure Nostur supports it. It shows it both in the sidebar and in the custom zap sheet (screenshots below). It doesn’t seem to be showing my correct CoinOS balance though. 


https://image.nostr.build/602bfbb2bbaa1ef8d599646cc789b7c5181315febee3eb02cb4f10c37e6510e3.jpg
https://image.nostr.build/51dbd0b3fde96a7a5b56cf7cafea7c3a1d552b81af095694c1061eef367fbfdf.jpg