RGB wallets are developed by community and independent vendors. Please keep in mind that there is no "official" RGB GUI wallet.
NB: All existing wallets were not yet updated to the latest RGB protocol version v0.10 and are not compatible with the modern RGB contracts. If you are interested in trying the new RGB v0.10 features please use command-line tool.
The first GUI wallet supporting RGB, created back in 2021 by people who developed RGB. It provides cross-platform desktop wallet and iOS/iPad wallet. Mobile wallet allows to work with fungible RGB assets.
The first NFT wallet for RGB which can run in a web browser and interact with RGB contracts similar to MetaMask in Ethereum. The wallet is created by DIBA – issuer of Unique Digital Assets on bitcoin.
The first Android wallet made by team at Bitfinex working on RGB integration and RGB-related tools. Supports both fungible and non-fungible assets.