Lasr is a fast Lightning checkout app for Android and iOS. It connects to the wallet you already use, scans payment requests, and pays through Nostr Wallet Connect.
The app is built for in-person payments where the flow should stay simple: scan a QR code, review only when needed, and keep moving.
- BOLT11 invoices, with or without an amount
- LNURL-pay
- Lightning Addresses (LUD16)
- Nostr Wallet Connect wallet links
- Android and iOS from one Kotlin Multiplatform codebase
Lasr does not custody funds. It connects to an external Lightning wallet through NWC, so wallet permissions, balances, budgets, and payment limits stay with the wallet provider.
Wallet connections can be added with nostr+walletconnect://... links.
Lasr is intentionally narrow: it focuses on scanning and paying. The app should be used with wallets or NWC connections that have spending limits appropriate for quick checkout payments.
The app workspace lives in app/. Build, test, and IDE commands should be run
from that directory.
MIT