Degoo

Degoo is a mobile-first backup service known for its massive 100GB free tier, primarily earned through referrals and app promotions. It focuses on automatic photo and video backup from smartphones. The premium plans are very affordable for large amounts of storage. It's aimed at users needing huge amounts of free storage for media backup and who don't require advanced collaboration features.

Its model provides exceptional raw storage capacity for low or no cost, albeit with a simpler feature set.