SatsPrice by nostr:nprofile1qqszw70nm86zcl0wzlcwd0xulzdgl82e95v78vdm6fl0rnlarfle35gpzemhxue69uhhyetvv9ujumn0wd68ytnzv9hxgqg4waehxw309aex2mrp0yhx6mmnw3ezuur4vgq3qamnwvaz7tmwdaehgu3wwa5kuegncs9v7 is a very handy app, available both, for IOS and Android.
https://github.com/tyiu/sats-price?tab=readme-ov-file
