When comparing Tresorit 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 Tresorit is ranked 12th. 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 Client-side encryption
Encryption is performed before content gets uploaded to the cloud.
Pro Cross-platform
With clients for Windows, Mac, iOS, Android, Windows Phone, and Blackberry.
Pro Free storage space (get additional space through bonuses)
5 GB, up to 16 GB with bonuses.
Pro Combines cloud syncing, storage service and backup client
Thus you have a single service for all of the things.
Pro Incrementals
SpiderOak updates only that part of the file that has changed, saving bandwidth and time.
Pro Available for many platforms
The Spideroak client is available for Linux, MacOS, Windows, Android and iOS.
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 No Telephone Support
Con Proprietary
Because the software is proprietary, there's no way to review the security practices or really know how the software operates under the hood. As such it can be considered as not safe for sensitive information.