When comparing OwnCloud vs iCloud, the Slant community recommends OwnCloud for most people. In the question“What are the best cloud storage services?” OwnCloud is ranked 5th while iCloud is ranked 18th.
Ranked in these QuestionsQuestion Ranking
Pro Open source software
Pro Allows selective sync
Desktop clients offer sync almost as versatile as dropbox.
Pro You have full control with your data
Only chose a provider or host it on your soho-server.
Pro Synchronisation and backup services
iCloud syncs a users settings and files across a range of Apple hardware making for a simple solution to backup and sync data across ones Apple devices.
Pro Documents in the Cloud
Integrates different office tools such as Keynote or Pages for writing and presentations, etc with iCloud.
Con Not plug and play as Dropbox etc
You may need some help installing it on your web space, though some providers offer free install server.
Con Apple devices only
Con Certain file restrictions
Does not allow uploading certain file types.