Head-to-Head · Hosting & Developer ·Updated June 2026
VS

Proton vs Tresorit

Proton wins on suite value — encrypted mail, drive, VPN, and passwords in one bill. Tresorit wins pure compliance-grade storage. The privacy verdict.

8 min read
11 hrs research
Pricing re-checked June 2026
Proton
Winner · 8.3 / 10
VS
Our verdict
Tresorit
Runner-up · 8.1 / 10
✓ Winner

Proton — for the whole privacy stack in one subscription

The privacy suite: zero-access encrypted mail, 500 GB drive, VPN, password manager, and calendar in one $9.99 subscription — Swiss jurisdiction, open-source apps, nonprofit-controlled. The trade-off: each app individually trails the dedicated category leader, and the integration ecosystem is thin.

Free forever · Unlimited $9.99/mo
◆ Better for…

Tresorit — for compliance-grade file work with clients

The storage specialist: zero-knowledge encryption on every file and metadata item, TÜV certification, encrypted client data rooms, eSign, and granular link controls built for regulated work. The trade-off: no free plan, a price premium per gigabyte, and storage-only scope — no mail, VPN, or passwords.

14-day trial · Personal Lite $4.75/mo
✓ Winner · Editor's pick
Proton
Encrypted Mail · Drive · VPN · Pass · 100M+ Users
8.3

for the whole privacy stack in one subscription

The privacy suite: zero-access encrypted mail, 500 GB drive, VPN, password manager, and calendar in one $9.99 subscription — Swiss jurisdiction, open-source apps, nonprofit-controlled. The trade-off: each app individually trails the dedicated category leader, and the integration ecosystem is thin.

Free forever · Unlimited $9.99/mo
◆ Better for…
Tresorit
Zero-Knowledge Storage · Data Rooms · eSign · TÜV Certified
8.1

for compliance-grade file work with clients

The storage specialist: zero-knowledge encryption on every file and metadata item, TÜV certification, encrypted client data rooms, eSign, and granular link controls built for regulated work. The trade-off: no free plan, a price premium per gigabyte, and storage-only scope — no mail, VPN, or passwords.

14-day trial · Personal Lite $4.75/mo
Scorecard

Side-by-side, 6 axes.

Every tool gets the same criteria rubric. Each axis is scored 0–5 under our fixed research protocol — and the bar shows how they stack up directly.

Criterion
Proton
Tresorit
Winner
Setup ease Time to encrypted workflow
4
4
Tie
UX quality Daily apps & sync experience
4.1
4.3
Tresorit
Feature depth Scope of the encrypted toolkit
4
4
Tie
Customer support Vendor's own support
4.2
4.2
Tie
Value for price Capability per dollar
4.5
3.7
Proton
Exit hatch Export & standards support
4.3
4.5
Tresorit
Overall score
8.3
8.1
Proton
Setup ease Time to encrypted workflow
Tie
4
4
UX quality Daily apps & sync experience
Tresorit
4.1
4.3
Feature depth Scope of the encrypted toolkit
Tie
4
4
Customer support Vendor's own support
Tie
4.2
4.2
Value for price Capability per dollar
Proton
4.5
3.7
Exit hatch Export & standards support
Tresorit
4.3
4.5
Overall
Proton
8.3
8.1
Choose by use case

Which one is right for you?

Skip the rest of the page — if you fit one of these profiles cleanly, the answer is already obvious.

Choose Proton if…

Encrypted Mail · Drive · VPN · Pass · 100M+ Users
You're a fit when:
  • Individuals and teams leaving mainstream suites — mail, drive, VPN, and passwords replaced in one move
  • Value-first privacy: Unlimited at $9.99 bundles what would cost a multiple as separate products
  • Trust-verification buyers — open-source apps, independent audits, and a nonprofit primary shareholder
  • Journalists, activists, and businesses needing Swiss legal protection across communications, not just files
  • A permanent free tier for trying the entire ecosystem before paying anything
  • Your only job is secure file work with clients — Tresorit's data rooms, eSign, and link controls go deeper
  • You need certified compliance artifacts (TÜV, EAL4) for auditors — Tresorit carries the paperwork

Choose Tresorit if…

Zero-Knowledge Storage · Data Rooms · eSign · TÜV Certified
You're a fit when:
  • Legal, healthcare, and finance teams with HIPAA, GDPR, NIS2, DORA, or FINRA obligations on file exchange
  • Client document workflows — branded encrypted data rooms with audit logs replace risky email attachments
  • Granular sharing control: passwords, expiry, download limits, viewer allowlists, and print/download blocking
  • Verifiable data residency — Switzerland, EU, or international, documented for auditors
  • Document lifecycle in one secure place: store, share, sign with eSign, and wipe lost devices remotely
  • You want the whole privacy stack — Proton adds mail, VPN, calendar, and passwords for less money
  • Budget needs a free tier — Tresorit's trial requires payment details; Proton's free plan is permanent
Feature deep-dive

Every feature, side by side.

Grouped by what you actually use day-to-day.

Feature
Proton
Tresorit
Encryption & Trust
Zero-knowledge E2EE
All services
Files + metadata
Independent certification
Audits, open source
TÜV + EAL4
Jurisdiction
Switzerland
Switzerland
Data residency choice
Proton-managed
CH / EU / international
Scope
Encrypted email
Core product
Add-on (sending)
VPN + password manager
Included in Unlimited
None
Client data rooms
None
Branded, audited
eSign
None
Add-on
File Work
Storage on entry plan
500 GB (Unlimited)
Tiered, pricier per GB
Link controls
Standard
Expiry, limits, allowlists
Device wipe
None
All plans
Co-editing
Docs included
None
Buying
Free tier
Permanent
Trial, card required
Entry price
$3.99 (Mail Plus)
$4.75, 2 devices
Full-value tier
$9.99 Unlimited
$11.99 Essential
Compliance coverage
GDPR, HIPAA-capable
GDPR–DORA–FINRA set
Zero-knowledge E2EE
All services
Files + metadata
Independent certification
Audits, open source
TÜV + EAL4
Jurisdiction
Switzerland
Switzerland
Data residency choice
Proton-managed
CH / EU / international
Pricing

What you'll actually pay.

Listed at full price — both vendors run discount cycles that knock 30–50% off for the first 3 months. Numbers verified June 2026.

Proton

Free · Mail Plus $3.99 · Unlimited $9.99 · Business from $6.99/user — annual
Free$0forever
Mail Plus$3.99/mo · annual billing
BusinessFrom $6.99/user/mo · annual billing

Tresorit

Personal Lite $4.75 · Essential $11.99 · Pro $27.49 · Business custom — monthly
Personal Lite$4.75/mo · monthly
Personal Pro$27.49/mo · monthly
BusinessContactper user/mo · see business pricing
Pros & cons

What we loved & hated.

From hundreds of verified user reviews and real-world usage reports. The good, the bad, and the deal-breakers.

Proton

Pros
  • Zero-access encryption — not even Proton can read your data.
  • One $9.99 subscription: mail, 500 GB drive, VPN, Pass, calendar.
  • Open-source apps, independently audited.
  • Nonprofit-controlled — no advertising, no data monetization.
  • Swiss jurisdiction with the strongest privacy framework.
  • 100M+ users and 100K+ businesses including regulated industries.
Cons
  • Thin integration ecosystem — no native CRM or chat connectors.
  • Bridge app required for desktop email clients via IMAP.
  • Calendar sync with external ecosystems is inconsistent.
  • Mobile search covers subject lines only.
  • Each individual app trails the dedicated category leader.

Tresorit

Pros
  • Zero-knowledge encryption on files, folders, and metadata.
  • TÜV certified with EAL4 evaluation — the category's strongest.
  • Encrypted data rooms with audit logs for client work.
  • Granular link controls: expiry, passwords, download limits.
  • Data residency choice: Switzerland, EU, or international.
  • eSign and email encryption complete the document lifecycle.
Cons
  • No permanent free plan; trial wants payment information.
  • Lite caps at 2 devices — Essential ($11.99) is the real entry.
  • Price per gigabyte trails mainstream storage significantly.
  • No real-time co-editing — storage and sharing, not docs.
  • Storage-only scope: no mail, VPN, or password manager.
Our verdict

Suite against specialist — and the suite's value math is hard to argue with — Proton wins unless compliance is writing the check.

Proton takes the verdict on scope per dollar: $9.99 buys encrypted mail, a 500 GB drive, a VPN, a password manager, and a calendar — a full exit from the mainstream suites in one decision, under Swiss law, with open-source apps audited in public and a permanent free tier to prove it all first. The value axis (4.5 vs 3.7) is the widest gap in this scorecard, and for the privacy-motivated buyer replacing an ecosystem rather than a folder, it's decisive.

Tresorit wins the narrower, more expensive question it was built for: secure file work that auditors will inspect. Its zero-knowledge architecture carries TÜV and EAL4 certifications Proton doesn't hold, its data rooms and link controls turn client document exchange into an audited workflow, and its compliance coverage spans HIPAA to DORA in one product. Organizations whose file sharing is a regulated activity should pay the specialist premium without hesitation. Everyone else gets more privacy per franc from the suite.

Decision rule: replacing your whole digital suite with encrypted everything → Proton Unlimited. Regulated client-file workflows with audit requirements → Tresorit. Both are Swiss; only one does your email.

How this comparison was researched
Fixed research protocol — identical for every comparison on this siteUpdated June 2026
  • Official documentation & pricing pages
  • Verified user reviews from major review platforms
  • Real user discussions in public communities
  • Pricing re-verified against the official pricing page

Findings are synthesized into our fixed 6-axis rubric — sources inform the score, never the other way around. How we score →