In order to upgrade to DaisyDisk 2, please enter your existing registration key for version 1.x Do not bother typing, copy & paste works best.
Don't remember your registration key? Recover it!
DaisyDisk 1.x users can upgrade to DaisyDisk 2 for $9.95 (50% off). If your registration key was issued before October 15, 2009 or after September 1, 2010, then the upgrade is free.
MacHeist giveaway users do not fall into the time range of free upgrades and need to purchase the upgrade for $9.95.
The upgrade script recognizes you by your unique registration key. Try checking multiple keys if you have them.
DaisyDisk 2 has some functional limitations that can be removed by registering.
DaisyDisk 2 list of changes.
Contact support if you still have questions.