Zap wallet is a remote control for a LND node, Zap saves your authentication macaroon (a fancy cookie that lnd uses) and tls certificate on the device to make LND REST API calls. It uses a format called and connect to fit certificate and macaroon data as a connection-string or qrcode

strike is a custodial lightning wallet that only has a USD balance to make and receive payments and also includes a view into Bitcoin bought and custodied to Prime Trust (requires KYC)