Crypton
For a price of a cinema ticket a month, get a physical SIM phone number. All your messages are encrypted with your personal private key using industry standard 256-bit asymmetric encryption. Send and receive messages. Receiving is free as long as you have a number. Sending is paid using a pay-as-you-go pricing.
Quick Info
Not verified
Bitcoin and LN accepted
Monero is accepted
You can't pay with cash
Account needed
No personal information
The source code is private
JavaScript needed
Tor available