If you own a previous version of any of The Missing Sync products listed in the sidebar under
Crossgrade Qualifying Products, you qualify for a special crossgrade price of $29.95 for the Mac version of
The Missing Sync for iPhone (download version).*
Enter your email address (the one that you used when you purchased your Missing Sync product) in the box below. Our system
will verify your previous purchase and send you a link that you can use to purchase the new version at the crossgrade price.
Need to change your email address?
Do we have an old email address on file for you? Give us your updated email address, and we'll make the change.
Having trouble with the upgrade process? Didn't purchase from Mark/Space?
Please visit our Support Center and enter "Upgrade" into the Knowledgebase Search on the left. If you cannot find your solution there, please contact us by returning to the Support Center and clicking on "Submit a Question or Support Request." Select the "Customer Service & Sales" Department and follow the prompts.
Crossgrade Qualifying Products
Missing Sync for Windows Mobile
Missing Sync for Palm OS
Missing Sync for Pocket PC
Missing Sync for hiptop
Missing Sync for Sony CLIÉ
Missing Sync for Tapwave Zodiac
Missing Sync for Garmin iQue
Missing Sync for Internet Sharing & AvantGo
Mac System Requirements
Macintosh computer with a PowerPC G4, PowerPC G5, or Intel Core processor
Mac OS X v10.4.9 and later, or Mac OS X v10.5 Leopard and later.
Native USB support
Internet connection - required for Migration Assistant and product registration
iPhone Requirements
Apple iPhone with firmware version 1.0 or later
*Upgrades and crossgrades not available for the Windows version of The Missing Sync for iPhone.