myCloud offers three different subscriptions:
myCloud Light customers receive 10 GB of storage space for files & documents as well as photos & videos for free.
myCloud Standard customers with authorised Swisscom subscriptions receive 250 GB of storage space for files & documents as well as unlimited storage space for photos & videos in their timeline.
myCloud Pro customers receive unlimited storage space for photos & videos in their timeline as well as 2 TB for files & documents.
Here you can find further information on each individual myCloud subscription.