ioPay is the "All-in-One" official wallet app from the IoTeX team, to interact with the IoTeX blockchain send/receive IOTX and XRC20 tokens, execute smart contracts, stake & vote for Delegates, interact with dApps, and much more.
ioPay is available on desktop computers for Linux, Windows and macOS; on mobile for iOS and Android devices.
Download ioPay Mobile at https://iopay-wallet.iotex.io/
Download ioPay Desktop at https://iopay-wallet.iotex.io/desktop
Check out this guide to install and use the IoTeX wallet app on the popular Ledger Nano hardware wallet: