Microsoft just announced that the SkyDrive Pro apps for Windows 8 and iOS are now available in the Windows Store
... and Apple Store respectively ...
... for SharePoint Online users in Office 365 (please note that On-Premises SharePoint Server is not supported). After signing in to your Office 365 account, you can access, view, and upload your documents from anywhere.
You can use the SkyDrive Pro apps to view documents in your SkyDrive Pro folder, select specific content to take offline when you are traveling or have low bandwidth, organize your content by creating new folders, and upload new content and share with others.
Read more at source here
PS: If you want to learn more about SkyDrive Pro directly from the Product Group, you can join this Live Online Meeting "SkyDrive Pro: Apps, Web, oh my!" Tuesday July 2nd, at 10:00 AM Pacific Time - link