ChatNoir is a simple, free, no-frills chat app. We don't read or keep your messages any longer than it takes to deliver them (ok, plus the few milliseconds it takes to delete them), and we don't sell your info (we don't even have your info). But don't take our word for it, use ChatNoir's out-of-band key feature to encrypt all traffic end-to-end. No fancy PKI, no opportunity for us to MITM, just good old-fashioned AES-256. Keys can be copied and pasted, emailed, iMessaged, or (our favorite) passed via QR code.