Updated October 13, 2026 · ShieldCue Editorial Team
Tresorit AG vs Proton
Facts checked September 26, 2026.
Tresorit AG vs Proton: the differences
| Compare |  Tresorit AG |  Proton |
|---|---|---|
| Devices | 2 to 10 | 10 |
| Platforms | Windows, MacOS, Linux, Android, iOS, Web | Windows, MacOS, Linux, Android, iOS, Web app, Command line interface, Chrome, Safari, Firefox, Edge, Brave |
| Owner | Swiss Post (Swiss Post Digital) | Proton Foundation |
| Longest plan (months) | 12 months | 24 monthsHigher |
| Server countries | Not confirmed | 140 |
| Money-back period | Not confirmed | 30 days |
| Protocols | Not confirmed | WireGuard, OpenVPN |
| Features | Not confirmed | Kill switch |
| Streaming services | Not confirmed | Netflix, Amazon Prime Video, Disney+, Hulu |
Same on both: Jurisdiction (CH).
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings.
Key differences
- Platforms: only Tresorit AG offers Web.
- Platforms: only Proton offers Web app, Command line interface, Chrome.
- Longest plan (months) is higher at Proton: 24 months vs 12 months.
- Support channels: only Tresorit AG offers Phone.
- Support channels: only Proton offers Community.
- Founded is lower at Tresorit AG: 2011 vs 2014.
Our verdict on each
Tresorit AG
Tresorit is an end-to-end encrypted cloud storage platform for business teams that exchange sensitive files and collaborate across organizations. More than 11,000 organizations use it to protect client information, contracts and intellectual property while controlling sharing and data residency choices.
Proton
Proton bundles a password manager, VPN and encrypted storage in one account, with Pass starting at $4.99 and a free tier. It suits readers who want passwords, private files and a VPN in a single subscription, and who can live with free plan limits that leave out an authenticator, password sharing and file attachments.
Score breakdown
| Area | Tresorit AG | Proton |
|---|---|---|
| Cost | 8.6 | 9.2HigherEntry at $4.99 sits under the site median of €6.84, with storage at $95.88 per TB per year and a free plan. |
| Offer | 9.1 | 9.5Higher |
| Privacy | 8.9 | 9.1Higher |
How they place
| Ranking | Tresorit AG | Proton |
|---|---|---|
| VPNs | 69 of 232 | 13 of 232 |
| Privacy tools | 247 of 280 | 10 of 280 |
| Secure cloud storage and backup | 15 of 70 | 2 of 70 |
| Free VPNs | 59 of 189 | 9 of 189 |
Every fact side by side
| Fact | Tresorit AG | Proton |
|---|---|---|
| Features | Not confirmed | No logs, Streaming, Travel |
| Audience | Business | Business |
| Pricing model | Free | Free |
| Legal entity | Tresorit AG | Proton AG |
| Headquarters | Switzerland | Switzerland |
| Founded | 2011Lower | 2014 |
| Support channels | Chat, Email, Phone, Help centre | Email, Chat, Help centre, Community |
Encrypted storage
| Fact | Tresorit AG | Proton |
|---|---|---|
| Free storage | 3 | 5Higher |
| Price per TB per year | €119.88 | $95.88 |
| Zero-knowledge encryption | Yes | Yes |
| Compliance certifications | GDPR, HIPAA, NIS2, DORA, FINRA, CCPA, TISAX | ISO 27001, SOC 2 Type II |
Password managers
| Fact | Tresorit AG | Proton |
|---|---|---|
| Price from | Not confirmed | $4.99 |
| Free plan | Not confirmed | Yes |
| Family plan | Not confirmed | Pass Family: up to 6 users, includes 6 Pass Plus accounts and an admin panel |
| Passkeys | Not confirmed | Yes |
| Security audit | Not confirmed | Independently audited by third-party experts (Cure53 audit published July 2023), open source under GPLv3, public bug bounty |
| Encryption | Not confirmed | End-to-end encryption; 256-bit AES-GCM encrypted vaults; OpenPGP with ECC (Curve25519) for vault keys |
| Open source | Not confirmed | Yes |
Secure email
| Fact | Tresorit AG | Proton |
|---|---|---|
| Free plan limits | Not confirmed | Unlimited logins, notes, credit cards and devices; 10 hide-my-email aliases; passkeys and password health alerts; no 2FA authenticator, secure sharing, file attachments or dark web monitoring |
| End-to-end encryption | Not confirmed | All fields end-to-end encrypted: passwords, usernames, web addresses, credit cards, note contents and metadata; 256-bit AES-GCM vaults; only the user can decrypt, Proton cannot |
| Custom domains | Not confirmed | Yes |
Where each stands against the rest
| Fact | Tresorit AG | Proton | Median |
|---|---|---|---|
| Devices | 2 to 10at the median | 10at the median | 10 |
| Server countries | Not confirmed | 140highest quarter | 62 |
| Money-back period | Not confirmed | 30 daysat the median | 30 days |
| Longest plan (months) | 12 monthsat the median | 24 monthsabove the median | 12 months |
Median across 139 listed providers.
Pros and cons
Tresorit AG
Pros
- Encrypts files on devices before upload with zero-knowledge protection
- Offers EU-only choice alongside 12 global data residency locations
- Provides granular access rights and sharing policies for sensitive files
Cons
- Focuses on business file exchange and team collaboration workflows
- Applies granular access controls that add decisions for small teams
Proton
Pros
- A single account covers a password manager, a VPN and end-to-end encrypted storage, with a free plan to start.
- Passkeys, custom domains and a Family plan with an admin panel suit single-user and shared use.
- Vaults use AES-GCM encryption with OpenPGP and ECC keys, and only the account holder can decrypt.
Cons
- Support runs on email, chat and help centre with no phone line.
- Free plan limits leave out the authenticator app, password sharing, attachments and dark web monitoring.
- Extra storage costs $95.88 per TB per year beyond 5 GB free.
Who each suits
Tresorit AG
Who it suits
- Business teams exchanging contracts and client information securely
- Healthcare and finance staff handling sensitive data
- IT administrators enforcing access controls across organizations
Who should look elsewhere
- Individuals seeking casual personal file storage
Proton
Who it suits
- Readers who want a password manager, a VPN and private files under a single subscription rather than separate products.
- Households and small teams that need shared accounts, since the Family plan bundles several Pass Plus accounts and an admin panel.
- Buyers who care about open source under a copyleft licence, outside security audits and a public bug bounty.
Who should look elsewhere
- Apple Hide My Email at $0.99 if email aliasing is the whole job, since Proton adds a VPN, storage and a password manager.
- Apple Inc. at $0.99 when aliasing is the priority; Proton's $4.99 entry brings a VPN, storage and password manager in the same account.
- EasyOptOuts at $19.99 for a single higher priced subscription, against Proton's $4.99 entry and a free plan.
Current offers
Tresorit AG
Current offer
First period offer
Yearly billing 20% off: 20% OFF on yearly billing
Applies when the Yearly billing option is selected on the SecureCloud plans
Source, checked September 26, 2026
Free trial
Free trial of any plan: 14 days free, any plan, no limitations
Payment information required even during the trial; converts to a paid subscription at the end of the trial
Source, checked September 26, 2026
Proton
Current offer
Discount code
40% off Pass Plus: 40% off
Shown on the Proton Pass pricing page alongside a 30-day money-back guarantee; applies to the Pass Plus paid plan
Source, checked September 26, 2026
Questions about each
Tresorit AG
What does Tresorit provide?+
Tresorit provides end-to-end encrypted cloud storage for secure file exchange and collaboration. It protects business data, intellectual property, client information and contracts. Teams work together through one secure and intuitive platform across teams, clients and partners.
How does Tresorit protect file privacy?+
Tresorit encrypts all files on the device before they leave it. Only the sender and intended recipients hold the decryption keys. The company states that outsiders cannot view the data at any point, even briefly.
Proton
How much is Proton Pass at the entry price?+
Proton Pass starts at $4.99, and there is a free plan beside it. The paid tiers widen the set of features, so the entry price only pays off if you want more hide my email aliases, passkeys and password health alerts.
What does the free plan leave out?+
The free plan covers as many logins, notes, cards and devices as you like, but it leaves out the authenticator app, sharing with other people, file attachments and dark web monitoring. Those sit on paid Pass plans, where entry starts at $4.99.
Other options to compare
Other matchups
- Tresorit AG vs NordVPN
- Proton vs NordVPN Threat Protection
- Proton vs WEBROOT master
- Proton vs Apple Inc.
- Proton vs addy.io
- Proton vs Apple Hide My Email
- Proton vs Runbox
- Proton vs Kaspersky
- Proton vs Kaspersky Latam
- Proton vs Kaspersky
- Proton vs NordPass
- Proton vs ESET Brasil
- Proton vs ESET
- Proton vs FastestVPN
- Proton vs Surfshark Alert
- Proton vs Keeper
- Proton vs Keeper Secrets Manager
- Proton vs AdGuard
- Proton vs Trend Micro
- Tresorit AG vs Proton AG
- Proton vs Tresorit AG