Proton Drive vs Sync.com
Proton Drive leads Sync.com by 0.5 points overall (7.4 vs 6.9).
7.4/10, Good
6.9/10, Good
Criterion by criterion
Where each one wins
Proton Drive9.5
End-to-end encrypted by default with open-source apps, based in Switzerland.
Privacy & encryption
25% weight
Sync.com9.0
Zero-knowledge end-to-end encryption by default.
Proton Drive7.0
Reasonable, best value when bundled with other Proton apps.
Value for money
20% weight
Sync.com7.5
Fair pricing on annual plans; few monthly options.
Proton Drive5.0
Up to 5 GB free.
Free tier
15% weight
Sync.com5.0
5 GB free.
Proton Drive7.0
Windows, Mac and mobile apps; younger sync engine than leaders.
Sync & apps
20% weight
Sync.com6.0
Windows and Mac apps plus mobile backup, but no Linux client.
Proton Drive7.5
Encrypted Docs and links into Proton Mail and Pass.
Ecosystem & sharing
20% weight
Sync.com6.0
Strong secure sharing, limited integrations.
Published facts
Side by side
| Fact | Proton Drive | Sync.com |
|---|---|---|
| Free storage | 5 GB | 5 GB |
| End-to-end encrypted by default | Yes | Yes |
| Lifetime plan option | Not published | No |
| Official Linux sync app | Not published | No |
| Built-in document editing | Yes | No |
| Company base | Switzerland | Canada |
Verdict
Which should you pick?
Choose Proton Drive if…
You want something best for privacy-first users and Proton customers.
- + End-to-end encrypted by default
- + Swiss jurisdiction
- + Encrypted document editing
Choose Sync.com if…
You want something best for secure document storage and sharing.
- + End-to-end encrypted by default
- + Secure, password-protected sharing
- + Canadian jurisdiction
Checked 1 Nov 2026.
Questions
Proton Drive vs Sync.com: quick answers
Is Proton Drive better than Sync.com?
Proton Drive leads Sync.com by 0.5 points overall (7.4 vs 6.9). Proton Drive scores higher on privacy & encryption, sync & apps, ecosystem & sharing. Sync.com scores higher on value for money.
Who should choose Sync.com over Proton Drive?
Sync.com is best for secure document storage and sharing. Proton Drive is best for privacy-first users and Proton customers.
How were Proton Drive and Sync.com scored?
Both were scored on the same 5 weighted criteria for cloud storage services, using public information such as published plans and terms. We do not lab-test products.