Bitcoin target verification
AddressGuard for Bitcoin.
Check on-chain BTC addresses, Lightning invoices, Lightning Addresses, and LNURLs before you send. Bitcoin-only. Three free checks. No wallet, no account, no network lookup.
Scan address
Mismatch warning
Decode
Validates legacy, SegWit, and Taproot Bitcoin address formats locally.
Bitcoin-only
Works on on-chain BTC addresses, Lightning invoices, Lightning Addresses, and LNURLs. Non-Bitcoin inputs are warned or rejected.
Compare
Highlights the exact mismatch so a one-character swap is hard to miss.
Scan
Camera and photo scanning help catch clipboard swaps before a meaningful send.
Unlock
Three checks are free. Pro adds unlimited Bitcoin verification, trusted addresses, history, and export.
Built for the paranoid moment in the workflow.
AddressGuard does not generate keys, import seed phrases, send transactions, or look up addresses online. It checks public Bitcoin target text on the device: on-chain BTC addresses, Lightning invoices, Lightning Addresses, and LNURLs. Alt-chain addresses are out of scope by design.
No custody
It never touches private keys, wallets, seed phrases, or balances.
No network
The verification loop runs locally with no explorer API calls.
No account
Saved addresses and receipts stay in local device storage.
Lightning-aware
BOLT11 invoices, Lightning Addresses, and LNURLs are validated locally without resolving, connecting, or paying.
No alt-chains
Bitcoin-only means no Ethereum/EVM, Litecoin, or other alt-chain verification.
No guarantees
It reduces manual comparison mistakes. It does not make Bitcoin sends reversible.
Free for the first checks. Pro when this becomes a habit.
The free plan includes 3 Bitcoin verifications. Pro is for repeated address, Lightning invoice, Lightning Address, and LNURL checks, trusted destinations, QR cross-checks, local history, and export.
Bitcoin-only utility
Unlimited checks, kept simple.
Pro removes the free-check limit and keeps the useful parts of your Bitcoin target verification workflow on device.
Free
3 Bitcoin target verifications before the Pro lock appears.
Pro
Unlimited Bitcoin target verification, trusted target book, local history, receipt export, and QR cross-check tools.
Paste or scan
Start from the address you expect, then compare it with the address you are about to use.
QR cross-check
Generate a source QR and scan the destination so you are not trusting one pasted string.
Unlimited Pro
After three free checks, Pro unlocks unlimited Bitcoin target verifications and saved records.
Trusted targets
Keep known destinations locally and notice when a familiar address, invoice, Lightning Address, or LNURL changes.
Want it on your iPhone?
Join the launch list and I will send the TestFlight or App Store link when it is ready.