Dropbox Sign vs Proton Drive
| Dropbox Sign | Proton Drive | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | $15/mo | Free |
| Open source | No | No |
| Platforms | Android, api, iOS, Web | Android, iOS, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Storage limit | — | 5 GB |
| File versioning | — | Yes |
| Zero-knowledge encryption | — | Yes |
| Device platforms | — | Windows, macOS, Linux, Android, iOS |
| Business admin controls | — | Yes |
Both are listed in Best Cloud Storage Services. On Specifiction, Dropbox Sign scores higher on our published basis.