When comparing iCloud vs SpiderOak, the Slant community recommends SpiderOak for most people. In the question“What are the best cloud storage services?” SpiderOak is ranked 10th while iCloud is ranked 14th. The most important reason people chose SpiderOak is:
Thus you have a single service for all of the things.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
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.
Pro Combines cloud syncing, storage service and backup client
Thus you have a single service for all of the things.
Pro Available for many platforms
The Spideroak client is available for Linux, MacOS, Windows, Android and iOS.
Pro Incrementals
SpiderOak updates only that part of the file that has changed, saving bandwidth and time.
Pro Zero knowledge
Data is locally encrypted before uploading to Spideroak. They cannot recover your data even if they wanted to since it is stored in encrypted state on their servers.
Pro Unintrusive
Cons
Con Apple devices only
Con Certain file restrictions
Does not allow uploading certain file types.