nContxt is a mobile interface for 37signals‘ Highrise contact manager. It works on iPhones. It works on Windows Mobile phones, non-smartphones. It works on any phone with a web browsers. It’s free for the first week, and then $5/month.

Here are some screenshots (more here):

After logging in, you can search your contacts (people and companies). You also see a list of upcoming tasks and their associated party:

Searching for a person/company will display a list of results:

Clicking on a name shows the info for a person…

…or a company.

You can drill down to see more info.

As you’d expect, the phone numbers are nice and clickable (we are on a mobile :-)) , as are the email addresses and websites.

Using the SimpleHighrise PHP API, nContxt generates compact, XHTML Strict pages that render flawlessly on mobile browsers. This is an answer to the call for a mobile version of Highrise.

nContxt: The right things. The right time. Try it today. It’s free for the first week, and then $5/month.