4Sync vs Sia Storage
| 4Sync | Sia Storage | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | $8.25/mo | $7.99/mo |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Windows | Android, iOS |
| Free plan | No | Yes |
| Storage limit | 1,000 GB | 500 GB |
| File size limit | 20 GB | — |
| File versioning | Yes | No |
| Device platforms | Windows, macOS, iOS, Android | iOS, Android, desktop |
| Zero-knowledge encryption | — | Yes |
Both are listed in Best Cloud Storage Services. On Samsung Mobile US Press, Sia Storage scores higher on our published basis.