What is Simperium?

Simperium is a data layer. It instantly, automatically, and transparently circulates data everywhere it's needed.

Who built it?

We built Simperium as a direct result of our experience scaling Simplenote to over a million users. You can read more about us on our about page.

Can I use it?

Simperium is currently not accepting any new third-party developers. Thanks for your interest!