When comparing Cloud@mail.ru vs SpiderOak, the Slant community recommends SpiderOak for most people. In the question“What are the best cloud backup services?” SpiderOak is ranked 5th while Cloud@mail.ru is ranked 22nd. 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 Generous free plan
The free plan offers 100GB of space.
Pro Many platforms supported
You can access Cloud@mail.ru via Web / Mac / Windows / Linux / iOS / Android.
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.