Handheld Contact Basic edition works on all BlackBerry smartphones.

Handheld Contact Professional edition works on all BlackBerry smartphones*.

* Handheld Contact Professional Edition is not available for the BlackBerry Storm - Try Handheld Contact Basic Edition.

Windows Mobile Smartphones work with Handheld Contact Basic Edition. Windows Mobile 5, 6 and 6.1 are supported.

Windows Mobile Pocket PC works with all editions of Handheld Contact – Basic and Proefssional. Windows Mobile 5, 6 and 6.1 are supported.

Windows Mobile Pocket PC works with all editions of Handheld Contact – Basic and Professional. Windows Mobile 5, 6 and 6.1 are supported.