A phone number you do not have to hand over
A launch site for a privacy app that lets you make and take calls without giving out your real number. It has one job: explain what the app does clearly enough that someone installs it.
The product is easy to describe and hard to believe. Someone lands on the page not sure whether this is a burner number, a blocking service or a scam, and the page has to answer that before it asks for an install.
The promise stated in one line at the top, above the two store buttons
A diagram before any prose: a call, an equals sign, a padlock
A How does it work section that walks the registration and the call, rather than listing features
Store buttons repeated at the point where someone has finished reading, not only in the hero


What the app does is answerable in one sentence and one diagram
The install is asked for twice, at the two points a reader is ready to act